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
0 _/ A$ T, t( ~, G& q; o系统启动时报错：
- U$ ^/ Q# V( b+ q0 @8 Z   XFS （dm-0）: Corruption of in-memory data detected .Shutting down filesystem
& N6 {, H& }+ G( q  XFS  （dm-0）: Please umount the filesystem and rectify the problem(s)

.......
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5 t/ i: n- y0 o9 Z" wsystemd-fstab-fenerator[462]: Failed to open /sysroot/etc/fstab: Input/output error


% g* {2 B6 E5 |9 d, w) [3 {解决办法：

+ I9 c/ k4 i; n# m. Y( D
umount /dev/dm-0

xfs_repair -v -L /dev/dm-0
等待修复。。。
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: e5 j0 _( C+ ^/ x# ]- I6 E8 t3 a( S结束后，使用reboot 重启设备
1 ?- f; _0 o0 |6 L) O系统恢复正常。
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[66052.540111] XFS (dm-0): Internal error xfs_trans_cancel at line 993 of file fs/xfs/xx476/0x6b0  [xfs]
- t& O$ v: G( j2 R+ Z- H1 \' nXFS (dm-0): Corruption of in-memory data detected. shutting down filesystem
8 K& g6 D- d3 a  E/ R% R. @XFS (dm-0): Please umount the filesystem and rectify the problem(s)