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	<title>惜分飞 &#187; xfs 恢复</title>
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		<title>xfs文件系统mysql删库恢复</title>
		<link>https://www.xifenfei.com/2021/01/xfs-mysql-drop-recovery.html</link>
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		<pubDate>Mon, 11 Jan 2021 13:04:07 +0000</pubDate>
		<dc:creator><![CDATA[惜分飞]]></dc:creator>
				<category><![CDATA[MySQL恢复]]></category>
		<category><![CDATA[mysql删除恢复]]></category>
		<category><![CDATA[xfs mysql]]></category>
		<category><![CDATA[xfs 恢复]]></category>
		<category><![CDATA[xfs反删除]]></category>

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<p>联系：<a href="https://www.xifenfei.com/about_xifenfei" target="_blank">手机/微信(+86 17813235971)   QQ(107644445)</a><a target="_blank" href="http://wpa.qq.com/msgrd?v=3&#038;uin=107644445&#038;site=qq&#038;menu=yes"><img src="https://www.xifenfei.com/wp-content/themes/img/site_qq.jpg" alt="QQ咨询惜分飞" title="QQ咨询惜分飞"/></a></p>
<p>标题：<a href="https://www.xifenfei.com/2021/01/xfs-mysql-drop-recovery.html" target="_blank">xfs文件系统mysql删库恢复</a></p>
<p>作者：<a href="https://www.xifenfei.com" target="_blank">惜分飞</a>©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]</p>
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<p>有客户在centos 8操作系统上运行的mysql库,本来想删除一个测试表,结果反选了表,导致除该表之外表均被删除,大概有几百张表被删除.客户误操作之后,又使用一个月之前备份导致了十几张表然后终止,关闭机器,保护现场,请求我们给予支持.通过分析,发现该数据库放在/分区下面,第一时间和客户协商,对该分区进行镜像,防止由于系统运行引起的进一步覆盖.对于这类故障大概恢复思路:<br />
<strong>1. 通过对xfs文件系统反删除操作,恢复可以恢复的被删除的mysql相关表文件</strong><br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/01/20210111185625.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/01/20210111185625.png" alt="20210111185625" width="868" height="612" class="alignnone size-full wp-image-9031" /></a><br />
<hr />
<strong>2. 对于该恢复出来的文件(包含ibd,myd),使用专业mysql工具进行恢复</strong><br />
<a href="https://www.xifenfei.com/wp-content/uploads/2021/01/20210111203401.png"><img src="https://www.xifenfei.com/wp-content/uploads/2021/01/20210111203401.png" alt="20210111203401" width="1391" height="599" class="alignnone size-full wp-image-9030" /></a><br />
<hr />
<strong>3.对于异常的表,比如ibd部分损坏,缺少frm等,通过人工修复和单个对象扫描进行恢复</strong><br />
1)使用恢复方法:<a href="https://www.xifenfei.com/2016/12/mysql-ibd-recovery.html" title="[MySQL异常恢复]mysql ibd文件恢复">[MySQL异常恢复]mysql ibd文件恢复</a><br />
2)使用4的方法进行恢复<br />
<strong>4.对于xfs文件系统没有恢复出来的文件的表,尝试底层扫描尽可能恢复数据</strong><br />
恢复参考:<a href="https://www.xifenfei.com/2015/08/mysql-recovery-support.html" title="MySQL drop database恢复(恢复方法同样适用MySQL drop table,delete,truncate table)" rel="noopener" target="_blank">MySQL drop database恢复(恢复方法同样适用MySQL drop table,delete,truncate table)</a><br />
如果您遇到MySQL恢复问题无法自行解决,请联系我们提供专业服务,最大程度减小您的损失：<br />
<strong><span style="color: red; font-size: large;">Phone:17813235971    Q Q:<a href="https://wpa.qq.com/msgrd?v=3&amp;uin=107644445&amp;site=qq&amp;menu=yes" target="_blank">107644445</a>    E-Mail:dba@xifenfei.com</span></strong><br />
我们数据库恢复原则:最大限度恢复数据,最大限度减少业务影响时间,最大程度让客户满意</p>
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