xfs文件元数据I/O错误

出错原因

并无明显原因,linux操作系统为RHEL7.6,在VM中安装:
但是上次关机是断电关机

报错如下:

[sda] Assuming drive cache: write through

Metadata corruption detected at xfs_agi_read_verify+0x5e/0x110 [xfs], xfs_agi block 0x2

Unmount and run xfs_repair

First 64 bytes of corrupted metadata buffer:

XFS (dm-0):metadata I/O error: block 0x2 ("xfs_trans_read_buf_map") error 117 numblks 1

解决方法

系统进入emergency 模式

  1. ls -l /dev/mapper

  2. mkdir /mnt

  3. mount /dev/mapper/cl_muban-root /mnt # 这里也可以操作 提示中的 dm-0 (即 /dev/dm-0,其实/dev/mapper/cl_muban-root是链接到 /dev/dm-0 )

  4. umount /mnt

  5. xfs_repair /dev/mapper/cl_muban-root # 或 xfs_repair /dev/dm-0

  6. init 6 (reboot重启系统)

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转载自blog.csdn.net/Thorne_lu/article/details/107342706