ceph存储对应的虚机无法正常启动Failed to mount /sysroot

admin

1 n% N  [; f; i这种问题只能靠修复来完成了
/ r, F" N, X; ^/ a5 o. B8 }' N) ]& A[root@compute03 images]# rbd ls -p hdd-8T-volumes|grep 94d18fa8-4f51-48e3-bb13-032400a71c0f  
volume-94d18fa8-4f51-48e3-bb13-032400a71c0f
* k  Y1 P9 @+ }/ _4 N( @[root@compute03 images]# rbd map hdd-8T-volumes/volume-94d18fa8-4f51-48e3-bb13-032400a71c0f
% N  |* m8 j8 P7 n% }5 U  W6 d/dev/rbd0
" A+ P2 l* u6 y' r" k, C
; R$ D! q% J# ]* s( t2 L3 |
7 P! g  k  _" \5 ^2 P  E1 G1 }% `
[root@compute03 images]# xfs_repair -L /dev/rbd0p1
/ Y$ V8 a- g# y6 Y( sPhase 1 - find and verify superblock...
Phase 2 - using internal log
% d6 B2 L+ Q/ h$ F+ c3 [        - zero log...
ALERT: The filesystem has valuable metadata changes in a log which is being
destroyed because the -L option was used.
5 R0 X( C' f% u2 I0 L' K& H$ _4 E        - scan filesystem freespace and inode maps...
sb_fdblocks 90682, counted 97082
        - found root inode chunk
Phase 3 - for each AG...
        - scan and clear agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
* X* {& X& s6 `; D4 u        - agno = 1
        - agno = 2
        - agno = 3
% K: f, f* V1 J: O& S* G1 d$ k- n        - process newly discovered inodes...
: d% B7 x, b) R. \) S3 S5 p4 gPhase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
: V" s5 _3 o3 {; o- z, `5 ~  X! I+ C        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 1
6 I! v; N( Q& J: s8 l% @        - agno = 2
/ E8 @% T' t5 i! I) L4 ^( W3 |        - agno = 3
Phase 5 - rebuild AG headers and trees...
        - reset superblock...
1 R1 l2 z# [. r( jPhase 6 - check inode connectivity...
        - resetting contents of realtime bitmap and summary inodes
+ g. G# j0 a8 u7 s. z        - traversing filesystem ...
7 H& @' t' F( H  P; R        - traversal finished ...
        - moving disconnected inodes to lost+found ...
Phase 7 - verify and correct link counts...
$ w9 v; d& [9 O1 G7 N6 b2 PMaximum metadata LSN (1:3530) is ahead of log (1:2).
Format log to cycle 4.
, R4 `0 [2 @- d0 ?9 V7 i2 B1 ndone



# n/ h; j3 h! t[root@compute03 images]# rbd unmap hdd-8T-volumes/volume-94d18fa8-4f51-48e3-bb13-032400a71c0f

admin

接下来就是，启动虚机。查看是否可行。