做安防，一定要知道什么是RAID
<section style="box-sizing: border-box;font-size: 16px;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="box-sizing: border-box;font-size: 16px;"><section style="line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;" powered-by="xiumi.us"><p style="text-align: center;white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">你听说过RAID吗？</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">什么是软RAID？什么是硬RAID？</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">RAID0、RAID1、RAID5、RAID10……分别是什么意思？</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">哪种存储方式更安全呢？</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">那么今天，小编就带大家走进RAID</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">了解一下RAID的基础知识，</span></p><p style="text-align: center;white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">干货慢慢，快收藏哦~</span></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 55px;height: 50px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: justify;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section style="margin: -40px 0% 30px;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;letter-spacing: 3px;line-height: 1.6;font-size: 20px;box-sizing: border-box;"><p style="text-shadow: rgb(255, 255, 255) 1px 1px 0px, rgb(255, 255, 255) 1px -1px 0px, rgb(255, 255, 255) -1px 1px 0px, rgb(255, 255, 255) -1px -1px 0px, rgb(255, 255, 255) 0px 1.4px 0px, rgb(255, 255, 255) 0px -1.4px 0px, rgb(255, 255, 255) -1.4px 0px 0px, rgb(255, 255, 255) 1.4px 0px 0px;color: rgb(27, 27, 27);box-sizing: border-box;"><strong style="box-sizing: border-box;"><em style="box-sizing: border-box;">走进RAID</em></strong></p></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-position: 0% 0%;background-repeat: repeat-y;background-size: 100%;background-attachment: scroll;border-width: 0px;border-radius: 7px;border-style: none;border-color: rgb(62, 62, 62);overflow: hidden;background-image: url("https://mmbiz.qpic.cn/mmbiz_jpg/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6Es091XbGlicJKGT33E3k2teQ4kTicVic05d9ibCEjk2XHibBycoBiba8RvNg/640?wx_fmt=jpeg");box-sizing: border-box;"><section style="text-align: center;margin: -5px 0%;transform: rotateY(180deg);-webkit-transform: rotateY(180deg);-moz-transform: rotateY(180deg);-o-transform: rotateY(180deg);box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 600%;height: auto;box-sizing: border-box;"></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 17px;color: rgb(18, 112, 190);letter-spacing: 1.2px;line-height: 1.9;padding-right: 20px;padding-left: 20px;text-shadow: rgb(255, 255, 255) 0px 1.4px, rgb(255, 255, 255) 1px 1px, rgb(255, 255, 255) 1.4px 0px, rgb(255, 255, 255) 1px -1px, rgb(255, 255, 255) 0px -1.4px, rgb(255, 255, 255) -1px -1px, rgb(255, 255, 255) -1.4px 0px, rgb(255, 255, 255) -1px 1px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">RAID（redundant array of independent disks），独立磁盘冗余阵列。单个硬盘无法满足大量数据存储和数据安全性的需求，RAID将多个独立的物理硬盘按照一定方式（RAID级别）组合在一起，形成一个大的逻辑盘，提高了数据读写速度、可靠性、存储能力及容错能力。</span></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: right;margin-right: 0%;margin-bottom: -10px;margin-left: 0%;transform: translate3d(20px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 30px;height: 30px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;box-sizing: border-box;"></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 5px;padding-left: 5px;border-width: 3px;border-radius: 0px;border-style: solid;border-color: rgba(0, 0, 0, 0);box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-color: rgb(41, 50, 57);box-sizing: border-box;"><section style="transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;color: rgb(255, 255, 255);line-height: 1.9;letter-spacing: 0px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">RAID分类</strong></p></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">软RAID</strong></p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">无独立的RAID控制卡，由操作系统和CPU来实现所有的RAID功能。</p><p style="white-space: normal;box-sizing: border-box;">占用CPU资源，如果操作系统出现故障，则RAID信息会丢失，RAID功能将不可用。</p><p style="white-space: normal;box-sizing: border-box;">跟硬RAID比性能差，但成本低。</p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">硬RAID</strong></p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">拥有独立的RAID控制卡，通过RAID卡实现所有的RAID功能，不占用CPU资源。</p><p style="white-space: normal;box-sizing: border-box;">性能好，但成本高。</p></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: right;margin-right: 0%;margin-bottom: -10px;margin-left: 0%;transform: translate3d(20px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 30px;height: 30px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;box-sizing: border-box;"></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 5px;padding-left: 5px;border-width: 3px;border-radius: 0px;border-style: solid;border-color: rgba(0, 0, 0, 0);box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-color: rgb(41, 50, 57);box-sizing: border-box;"><section style="transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;color: rgb(255, 255, 255);line-height: 1.9;letter-spacing: 0px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">常用RAID级别优缺点及适用场景</strong></p></section></section></section></section></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: left;margin-right: 0%;margin-bottom: -37px;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 100px;height: 50px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6fRwPLibWZgjgbU7PsEzia6Hy9UnuWJWvvYUBKrqyhaY3FMhHLD2vpn9A/640?wx_fmt=png");box-sizing: border-box;"></section></section><section style="text-align: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;height: auto;border-width: 0px;border-radius: 10px;border-style: none;border-color: rgb(62, 62, 62);background-position: 0% 0%;background-repeat: repeat-y;background-size: 100%;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_jpg/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6nfHDtzCF5NpHb5MEXkYScT5zoxItXrgicibJHAwsrF9HLxb1SJFQ5tCA/640?wx_fmt=jpeg");box-sizing: border-box;"><section style="margin: 20px 0% 10px;transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 15px;line-height: 1.9;letter-spacing: 1.2px;padding-right: 15px;padding-left: 15px;color: rgb(18, 112, 190);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">RAID主要利用数据条带、镜像和数据校验技术来获取高读写、可靠性及容错能力，根据组合方式的不同，可以把RAID分为不同的级别。</p></section></section></section></section><section style="text-align: right;margin-top: -10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 70px;height: 20px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6WxRqQw3E4glzKgO3vKW4VNQ2ghpzYkDicEsUEFFlWk9GK6WnmiacAYKw/640?wx_fmt=png");box-sizing: border-box;"></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">JBOD</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">JBOD（Just a Bunch Of Disks），磁盘簇、简单磁盘捆绑或Span。JBOD并非标准的RAID级别，不能提供RAID带来的高读写、可靠性及容错能力。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">JBOD是在逻辑上把几个物理磁盘串联到一起，从而提供一个大的逻辑磁盘。存储数据时从第一个磁盘开始存储，当第一个磁盘的存储空间用完后，再依次从后面的磁盘开始存储数据。存取性能等同于对单一磁盘的存取操作，不提供数据安全保障，它只是简单的提供一种利用磁盘空间的方法。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">JBOD的低成本是它的主要优势。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 0</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">数据条带化，无校验，不提供数据保护。数据并发写入多个硬盘。</span></p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);font-size: 15px;box-sizing: border-box;"><strong style="box-sizing: border-box;">优点</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">1.所有RAID中读写性能最高</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.100%的磁盘空间利用率</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);font-size: 15px;box-sizing: border-box;"><strong style="box-sizing: border-box;">缺点</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">不提供数据冗余保护，一旦数据损坏，将无法恢复。</span></span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);font-size: 15px;box-sizing: border-box;"><strong style="box-sizing: border-box;">适用场景</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">RAID 0适用于迅速读写，但对数据安全性和可靠性要求不高的场景，如视频、打印等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;"> RAID 1</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">数据镜像，无校验。<strong style="box-sizing: border-box;">一半的空间存储冗余数据，所有RAID中数据安全性最高。</strong></p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">优点</span></strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">1.所有的RAID中安全性最高，即使有一半的磁盘发生故障，仍能正常运转。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.镜像磁盘没有全部故障，数据就不会丢失。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">缺点</span></strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(215, 0, 15);box-sizing: border-box;">1.</span><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;">磁盘空间利用率为50%，一半的空间用于存储冗余数据。</span></strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.成本高。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">适用场景</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">RAID 1适用于数据安全性要求高的场景，如邮件系统、数据库等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 5</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">数据条带化，校验数据（1组）均匀分布在每个物理磁盘上。当某个物理磁盘发生故障时，可根据同一条带的其他数据块和对应的校验数据来重建损坏的数据。</span></p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">优点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;"><strong style="box-sizing: border-box;">1.</strong></span><strong style="box-sizing: border-box;"><span style="letter-spacing: 1.2px;color: rgb(215, 0, 15);box-sizing: border-box;">允许1个物理磁盘发生故障，而不丢失数据。</span></strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);font-size: 15px;box-sizing: border-box;">2.<span style="letter-spacing: 1.2px;box-sizing: border-box;">读取性能相对高，磁盘空间利用率大于RAID 10。</span></span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">缺点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">1.写入性能相对低。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.重建数据时，性能会受到较大的影响。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">适用场景</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);font-size: 15px;box-sizing: border-box;">RAID 5兼顾存储性能、数据安全和存储成本等因素，可理解为RAID 0和RAID 1的折中方案，适用于金融、数据库等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 6</p></section></section><section style="text-align: left;justify-content: flex-start;transform: translate3d(15px, 0px, 0px);margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 90%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;height: auto;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">数据条带化，校验数据（2组）均匀分布在每个物理磁盘上。即使有两个磁盘同时故障，也可通过2组校验数据来重建两个磁盘上损坏的数据。</span></p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">优点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">1.</span></strong></span><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(215, 0, 15);box-sizing: border-box;">允许2个物理磁盘发生故障，而不丢失数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.读取性能较高，磁盘空间利用率大于RAID 10。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">缺点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">成本高于RAID 5，写入性能较低（低于RAID 5）。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">适用场景</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">RAID 6主要用于对数据安全要求非常高、成本同样重要的场景，它一般是替代RAID 10经济性选择。如金融、数据库等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 10</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;line-height: 1.9;letter-spacing: 1.2px;color: rgb(113, 112, 113);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">RAID 1与RAID 0的结合，先创建RAID 1，再创建RAID 0。</p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;">优点</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">1.读取性能仅次于RAID 0。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">2.</span><strong style="box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">镜像对中的磁盘没有全部故障，数据就不会丢失。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;">3.</span><span style="color: rgb(215, 0, 15);box-sizing: border-box;"><strong style="box-sizing: border-box;">一半的物理磁盘发生故障时，仍可正常运转。</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;">缺点</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">1.成本高。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">2.</span><strong style="box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">磁盘空间利用率50%，一半的空间用于存储冗余数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;">适用场景</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">RAID 10适用于读写性能要求高，数据安全大于磁盘成本的场景。如银行、数据库等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 50</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">RAID 5与RAID 0的结合，先创建RAID 5，再创建RAID 0。有效提升了RAID 5的性能。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">将作为组成部分的磁盘划分为若干完全相同的RAID 5。配置RAID 50至少需要6个磁盘，划分为2个RAID 5，每组有3个磁盘。</span></p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;">优点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">1.读写性能高于RAID 5。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">2.容错能力高于RAID 0或RAID 5。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;">3.发生故障的磁盘在不同的RAID 5中，最多允许n个物理磁盘发生故障（n为RAID 5的数量）而不丢失数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;">缺点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="color: rgb(215, 0, 15);box-sizing: border-box;">1.重建故障磁盘时，如果同一RAID 5中又有磁盘发生故障，则会丢失所有数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">2.磁盘中需要更多的空间存储校验数据。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;">适用场景</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(113, 112, 113);box-sizing: border-box;">RAID 50适用于大型数据库、文件服务器等。</span></p><p style="white-space: normal;box-sizing: border-box;"><br></p></section></section></section></section></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;text-align: left;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;border-radius: 1em;background-color: rgb(255, 141, 25);padding: 0.3em 0.8em;color: rgb(255, 255, 255);font-size: 15px;box-sizing: border-box;"><p style="box-sizing: border-box;">RAID 60</p></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-left: 16px;border-width: 0px;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;border-left: 2px dashed rgb(160, 160, 160);border-bottom-left-radius: 0px;padding-left: 10px;box-sizing: border-box;"><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;color: rgb(113, 112, 113);line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">RAID 6与RAID 0的结合，先创建RAID 6，再创建RAID 0。有效提升了RAID6的性能。</p><p style="white-space: normal;box-sizing: border-box;">将作为组成部分的磁盘划分为若干完全相同的RAID 6。<span style="color: rgb(215, 0, 15);box-sizing: border-box;">配置RAID 60 至少需要8个磁盘</span>，划分为两个RAID 6，每组有4个磁盘。</p></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">优点</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">1.读写性能高于RAID 6。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.容错能力高于RAID 0或RAID 6。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(215, 0, 15);box-sizing: border-box;">3.同一RAID 6中发生故障的磁盘不超过两个，最多可允许2n个物理磁盘发生故障（n为RAID 6的数量）而不丢失数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(255, 129, 36);box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;box-sizing: border-box;">缺点</span></strong></span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(215, 0, 15);box-sizing: border-box;">1.重建故障磁盘时，如果同一RAID 6中又有第三个磁盘发生故障，则会丢失所有数据。</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">2.磁盘中需要更多的空间存储校验数据。</span></p><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="font-size: 15px;color: rgb(255, 129, 36);box-sizing: border-box;">适用场景</span></strong></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 15px;color: rgb(113, 112, 113);box-sizing: border-box;">RAID 60适用于数据库存档和高可用性解决方案等。</span></p></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 45%;box-sizing: border-box;"><section style="margin: 22px 0% 8px;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(185, 167, 121);box-sizing: border-box;"></section></section></section><section style="display: inline-block;vertical-align: top;width: 10%;box-sizing: border-box;"><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 60%;box-sizing: border-box;"></section></section></section><section style="display: inline-block;vertical-align: top;width: 45%;box-sizing: border-box;"><section style="margin: 22px 0% 8px;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(185, 167, 121);box-sizing: border-box;"></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: right;margin-right: 0%;margin-bottom: -10px;margin-left: 0%;transform: translate3d(20px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 30px;height: 30px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;box-sizing: border-box;"></section></section></section></section><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 5px;padding-left: 5px;border-width: 3px;border-radius: 0px;border-style: solid;border-color: rgba(0, 0, 0, 0);box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-color: rgb(41, 50, 57);box-sizing: border-box;"><section style="transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;color: rgb(255, 255, 255);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">常用RAID级别选择</strong></p></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: left;margin-right: 0%;margin-bottom: -37px;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 100px;height: 50px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6fRwPLibWZgjgbU7PsEzia6Hy9UnuWJWvvYUBKrqyhaY3FMhHLD2vpn9A/640?wx_fmt=png");box-sizing: border-box;"></section></section><section style="text-align: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;height: auto;border-width: 0px;border-radius: 10px;border-style: none;border-color: rgb(62, 62, 62);background-position: 0% 0%;background-repeat: repeat-y;background-size: 100%;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_jpg/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6nfHDtzCF5NpHb5MEXkYScT5zoxItXrgicibJHAwsrF9HLxb1SJFQ5tCA/640?wx_fmt=jpeg");box-sizing: border-box;"><section style="margin: 20px 0% 10px;transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 15px;line-height: 1.8;letter-spacing: 1.8px;padding-right: 15px;padding-left: 15px;color: rgb(18, 112, 190);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">RAID级别主要从I/O性能、成本、容错三个因素来选择。</p><p style="white-space: normal;box-sizing: border-box;">如果不考虑容错，选择RAID 0可获得高I/O性能。</p><p style="white-space: normal;box-sizing: border-box;">如果I/O性能、容错都重要，而成本不是主要因素，可选择RAID 1。</p><p style="white-space: normal;box-sizing: border-box;">如果I/O性能、成本、容错都重要，则根据磁盘数、可用容量、允许故障硬盘数选择RAID 5、RAID 6、RAID 10、RAID 50或RAID 60。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section><section style="text-align: right;margin-top: -10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 70px;height: 20px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6WxRqQw3E4glzKgO3vKW4VNQ2ghpzYkDicEsUEFFlWk9GK6WnmiacAYKw/640?wx_fmt=png");box-sizing: border-box;"></section></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;min-width: 10%;max-width: 100%;vertical-align: top;padding-right: 5px;padding-left: 5px;border-width: 3px;border-radius: 0px;border-style: solid;border-color: rgba(0, 0, 0, 0);box-shadow: rgb(0, 0, 0) 0px 0px 0px;background-color: rgb(41, 50, 57);box-sizing: border-box;"><section style="transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;color: rgb(255, 255, 255);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><strong style="box-sizing: border-box;">RAID使用注意事项</strong></p></section></section></section></section><section style="text-align: right;margin-top: -10px;margin-right: 0%;margin-left: 0%;transform: translate3d(20px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 30px;height: 30px;vertical-align: top;overflow: hidden;box-sizing: border-box;"><section style="text-align: center;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;box-sizing: border-box;"></section></section></section></section></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;padding-right: 20px;padding-left: 20px;box-sizing: border-box;"><section style="text-align: left;margin-right: 0%;margin-bottom: -37px;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 100px;height: 50px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6fRwPLibWZgjgbU7PsEzia6Hy9UnuWJWvvYUBKrqyhaY3FMhHLD2vpn9A/640?wx_fmt=png");box-sizing: border-box;"></section></section><section style="text-align: center;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;height: auto;border-width: 0px;border-radius: 10px;border-style: none;border-color: rgb(62, 62, 62);background-position: 0% 0%;background-repeat: repeat-y;background-size: 100%;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_jpg/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6nfHDtzCF5NpHb5MEXkYScT5zoxItXrgicibJHAwsrF9HLxb1SJFQ5tCA/640?wx_fmt=jpeg");box-sizing: border-box;"><section style="margin: 20px 0% 10px;transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;font-size: 15px;line-height: 1.8;letter-spacing: 1.8px;padding-right: 15px;padding-left: 15px;color: rgb(18, 112, 190);box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">1.组建RAID时，建议使用硬盘型号、容量完全一样的企业级硬盘。</p><p style="white-space: normal;box-sizing: border-box;">2.组建RAID会删除硬盘上的所有数据，如有需要请先备份硬盘上的旧数据。</p><p style="white-space: normal;box-sizing: border-box;">3.已组建RAID的硬盘上存有残留的RAID信息，如需再次组建RAID，需先清除这些信息。</p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section><section style="text-align: right;margin-top: -10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 70px;height: 20px;vertical-align: top;overflow: hidden;background-position: 50% 50%;background-repeat: no-repeat;background-size: contain;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6WxRqQw3E4glzKgO3vKW4VNQ2ghpzYkDicEsUEFFlWk9GK6WnmiacAYKw/640?wx_fmt=png");box-sizing: border-box;"></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: center;margin: 10px 0% -22px;transform: translate3d(1px, 0px, 0px);-webkit-transform: translate3d(1px, 0px, 0px);-moz-transform: translate3d(1px, 0px, 0px);-o-transform: translate3d(1px, 0px, 0px);box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 35px;height: 35px;vertical-align: top;overflow: hidden;background-image: linear-gradient(90deg, rgb(157, 187, 254) 0%, rgb(180, 181, 253) 100%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-sizing: border-box;"><section style="margin-top: 4px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 80%;height: auto;box-sizing: border-box;"></section></section></section></section><section style="margin-right: 0%;margin-bottom: 18px;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-position: 0% 0%;background-repeat: repeat-x;background-size: 3.39425%;background-attachment: scroll;line-height: 0;letter-spacing: 0px;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV66JicJIzicNaTib1cvNvHqax2HK76vLQ90OePhbnFiaPZ06YDLcSCDIZLUQ/640?wx_fmt=png");box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;background-image: linear-gradient(90deg, rgb(255, 255, 255) 0%, rgba(255, 255, 255, 0) 50%, rgb(255, 255, 255) 100%);box-sizing: border-box;"><section style="text-align: center;box-sizing: border-box;" powered-by="xiumi.us"><section class="group-empty" style="display: inline-block;width: 20px;height: 12px;vertical-align: top;overflow: hidden;box-sizing: border-box;"></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="margin-top: 0.5em;margin-left: 30%;line-height: 1em;box-sizing: border-box;" powered-by="xiumi.us"><section style="width: 0px;display: inline-block;vertical-align: bottom;border-bottom: 13px solid rgb(255, 129, 36);border-left: 13px solid transparent !important;border-right: 13px solid transparent !important;box-sizing: border-box;"></section></section><section style="margin-bottom: 0.5em;box-sizing: border-box;" powered-by="xiumi.us"><section style="height: 2.4em;border-radius: 1em;background-color: rgb(255, 129, 36);box-sizing: border-box;"><section style="height: 1.6em;vertical-align: top;margin: 0.3em 0.5em;display: inline-block;line-height: 0;box-sizing: border-box;"></section><section style="display: inline-block;width: 72%;margin-top: 0.6em;line-height: 1;text-align: center;overflow: hidden;box-sizing: border-box;"><section style="display: inline-block;overflow: hidden;color: rgb(255, 255, 255);font-size: 14px;line-height: 1.9;letter-spacing: 1.2px;box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">如果您觉得实用，记得分享给小伙伴哦</strong></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section><section style="text-align: left;margin: 70px 0% 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 95%;vertical-align: top;box-shadow: rgba(81, 81, 81, 0.54) 0px 0px 0px;border-style: solid;border-width: 1px;border-radius: 5px;border-color: rgba(247, 247, 247, 0);background-position: -31.5562% -27.1865%;background-repeat: repeat;background-size: 44.8878%;background-attachment: scroll;background-image: url("https://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq6NxN1bAJNV7C13d9z5jQV6P3PhPBt5r5KtcXN5uxDFSMYglAZy8b7TBqqGahSDGLVF0yLiboIwR0Q/640?wx_fmt=png");box-sizing: border-box;"><section style="transform: translate3d(15px, 0px, 0px);-webkit-transform: translate3d(15px, 0px, 0px);-moz-transform: translate3d(15px, 0px, 0px);-o-transform: translate3d(15px, 0px, 0px);margin: -20px 0% 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;box-shadow: rgba(81, 81, 81, 0.54) 0px 0px 5px;background-color: rgba(255, 255, 255, 0.95);letter-spacing: 0px;padding: 10px;border-style: dotted;border-width: 0px;border-radius: 5px;border-color: rgba(247, 247, 247, 0);box-sizing: border-box;"><section style="text-align: center;font-size: 15px;margin-top: -50px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="box-sizing: border-box;width: 7em;height: 7em;display: inline-block;vertical-align: bottom;border-radius: 100%;border-width: 3px;border-style: solid;border-color: rgb(255, 255, 255);background-position: center center;background-repeat: no-repeat;background-size: cover;box-shadow: rgb(0, 0, 0) 0px 0px 0px;overflow: hidden;background-image: url("https://neice.26x.net/UploadFile/common/wechat//2023/02-19/261f6724-e429-4c9c-acd8-3bbac7ab2b82.png");"><section style="height: 100%;overflow: hidden;line-height: 0;vertical-align: middle;max-width: 100%;box-sizing: border-box;"></section></section></section><section style="margin: 10px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: justify;color: rgb(72, 72, 72);box-sizing: border-box;"><p 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