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有一台DELL R720服务器,用户反应重启后系统中D盘丢失了,并且重启前是否正常也未知。

服务器上安装的是windows 2008操作系统,磁盘管理中只能看到C盘1.6T左右,服务器上共有8块900G硬盘。

服务器上没有告警信息,进入idrac,发现前三块硬盘(0槽、1槽、2槽)做了raid5,系统中就是C盘,后面五块硬盘(3槽-7槽)做了raid0,也就是用户说的丢失了的系统中的D盘,在硬件日志中可以看到4槽硬盘出现过告警,并且4槽硬盘有拔插的记录,询问用户,用户说4槽硬盘曾经出现过告警,当时直接更换了。

根据这些信息,得出其实4槽硬盘故障的时候,raid0的数据已经损坏,只是当时用户未注意。

由于目前raid0已经损坏,现在将raid0删除,重新做成raid5,并在操作系统中做GPT分区,将3T多的空间全部划分到D盘。由于用户之前的数据有备份,恢复数据。

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