lvscan 명령 수행시 "kernel: Buffer I/O error on device dm-XX, logical block XX" I/O Errors 발생
(Doc ID 2456556.1)
Last updated on MAY 26, 2020
적용 대상:
Linux OS - 버전 Oracle Linux 6.6 과(와) 그 후속Oracle Cloud Infrastructure - 버전 N/A 과(와) 그 후속
Linux x86-64
목적
/var/log/messages 에 아래와 같이 Error가 표시됩니다
kernel: Buffer I/O error on device dm-xx, logical block 1
kernel: Buffer I/O error on device dm-xx, logical block 2
kernel: Buffer I/O error on device dm-xx, logical block 6291440
kernel: Buffer I/O error on device dm-xx, logical block 6291440
kernel: Buffer I/O error on device dm-xx, logical block 6291454
kernel: Buffer I/O error on device dm-xx, logical block 6291454
kernel: Buffer I/O error on device dm-xx, logical block 0
kernel: Buffer I/O error on device dm-xx, logical block 0
kernel: Buffer I/O error on device dm-xx, logical block 1
kernel: Buffer I/O error on device dm-xx, logical block 6291455
kernel: Buffer I/O error on device dm-xx, logical block 6291455
kernel: Buffer I/O error on device dm-xx, logical block 6291455
kernel: Buffer I/O error on device dm-xx, logical block 2
kernel: Buffer I/O error on device dm-xx, logical block 6291440
kernel: Buffer I/O error on device dm-xx, logical block 6291440
kernel: Buffer I/O error on device dm-xx, logical block 6291454
kernel: Buffer I/O error on device dm-xx, logical block 6291454
kernel: Buffer I/O error on device dm-xx, logical block 0
kernel: Buffer I/O error on device dm-xx, logical block 0
kernel: Buffer I/O error on device dm-xx, logical block 1
kernel: Buffer I/O error on device dm-xx, logical block 6291455
kernel: Buffer I/O error on device dm-xx, logical block 6291455
kernel: Buffer I/O error on device dm-xx, logical block 6291455
lvscan 명령을 실행했을때 아래와 같이 유사한 Error가 표시됩니다.
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 25769738240: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 25769795584: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 0: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 4096: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 25769795584: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 0: Input/output error
/dev/rootvg/root.snapshot: read failed after 0 of 4096 at 4096: Input/output error
해결책
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