系统启动时报Failed to open /sysroot/etc/fstab:Input/output error

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Failed to open  /sysroot/etc/fstab: Input/Output error
4 v9 E8 U! g5 ?% X7 e9 h' v% y系统启动时报错：
5 M' Z! x9 A1 N4 m+ F* j   XFS （dm-0）: Corruption of in-memory data detected .Shutting down filesystem
  XFS  （dm-0）: Please umount the filesystem and rectify the problem(s)
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.......
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systemd-fstab-fenerator[462]: Failed to open /sysroot/etc/fstab: Input/output error


解决办法：

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umount /dev/dm-0
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xfs_repair -v -L /dev/dm-0
等待修复。。。
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结束后，使用reboot 重启设备
, j+ I! I5 B0 n' k. r( f9 T9 w系统恢复正常。
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( _4 M+ r  T  w7 d' w/ }$ y, k[66052.540111] XFS (dm-0): Internal error xfs_trans_cancel at line 993 of file fs/xfs/xx476/0x6b0  [xfs]
XFS (dm-0): Corruption of in-memory data detected. shutting down filesystem
XFS (dm-0): Please umount the filesystem and rectify the problem(s)