我们使用dmesg -T查看下系统日志, 发现如下信息XFS (dm-10): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0xf00003 len 1 error 74XFS (dm-10): page discard on page 000XXXXXXXX, inode 0xXXXXX, offset xxxxxMEtadata CRC error deleted at xfs_agfl_read_verify+0xa5/0xf0 [xfs], xfs_agfl block 0xf00003XFS (dm-10): Unmount and run xfs_repairXFS (dm-10): First 128 bytes of corrupted metadata buffer:xxxx 具体的meta信息(全部被置为0x00了,被dd
4 Apr 1 18:45 /dev/asm_data_2 -> dm-8 lrwxrwxrwx 1 grid asmadmin 5 Apr 1 18:45 /dev/asm_data_3 -> dm
24.97 11.05 339.48 1.84 0.19 dm-12 0.00 0.00 0.29 0.03 13.51 0.11 86.93 0.00 8.44 6.34 30.34 2.03 0.06 dm
ms cur sec dm-9 6466 0 740538 16764 11926 0 95712 186257 0 109 dm
ARGUMENTS | 命令行参数 # 设备参数将multipath的操作限制为与给定表达式匹配的设备,参数可以引用多路径映射或其组件(“路径”) device node # 设备节点的文件名,例如/dev/dm