[Lustre-discuss] e2fsck
Robin Humble
rjh+lustre at cita.utoronto.ca
Thu Feb 19 17:42:03 PST 2009
in 5 out of 6 e2fsck's I do after an OSS crash, I get one free blocks
count wrong and often a bitmap in a group that wants to be corrected.
is this normal?
or is it an ldiskfs or an e2fsck bug?
rhel5 x86_64
e2fsprogs-1.40.11.sun1-0redhat
kernel-lustre-smp-2.6.18-92.1.10.el5_lustre.1.6.6
cheers,
robin
[root at sox2 ~]# e2fsck -f /dev/md5
e2fsck 1.40.11.sun1 (17-June-2008)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences: -107639
Fix<y>? yes
Free blocks count wrong for group #3 (19179, counted=19180).
Fix<y>? yes
Free blocks count wrong (8199819, counted=8199820).
Fix<y>? yes
system-OST0001: ***** FILE SYSTEM WAS MODIFIED *****
system-OST0001: 133986/3055616 files (1.2% non-contiguous),
4007188/12207008 blocks
[root at sox2 ~]# e2fsck -f /dev/md6
e2fsck 1.40.11.sun1 (17-June-2008)
home-OST0001: recovering journal
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #3 (23432, counted=23433).
Fix<y>? yes
Free blocks count wrong (131098913, counted=131098914).
Fix<y>? yes
home-OST0001: ***** FILE SYSTEM WAS MODIFIED *****
home-OST0001: 26848/33513472 files (2.4% non-contiguous),
2934270/134033184 blocks
[root at sox2 ~]# e2fsck -f /dev/md7
e2fsck 1.40.11.sun1 (17-June-2008)
apps-OST0001: recovering journal
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #3 (23432, counted=23433).
Fix<y>? yes
Free blocks count wrong (34865220, counted=34865221).
Fix<y>? yes
apps-OST0001: ***** FILE SYSTEM WAS MODIFIED *****
apps-OST0001: 45904/9166848 files (3.9% non-contiguous),
1794027/36659248 blocks
[root at sox2 ~]#
[root at sox2 ~]# e2fsck -f /dev/md15
e2fsck 1.40.11.sun1 (17-June-2008)
system-OST0000: recovering journal
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #3 (20647, counted=20648).
Fix<y>? yes
Free blocks count wrong (8115827, counted=8115828).
Fix<y>? yes
system-OST0000: ***** FILE SYSTEM WAS MODIFIED *****
system-OST0000: 134002/3055616 files (1.2% non-contiguous),
4091180/12207008 blocks
[root at sox2 ~]# e2fsck -f /dev/md16
e2fsck 1.40.11.sun1 (17-June-2008)
home-OST0000: recovering journal
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
home-OST0000: ***** FILE SYSTEM WAS MODIFIED *****
home-OST0000: 26831/33513472 files (2.1% non-contiguous),
2951394/134033184 blocks
[root at sox2 ~]# e2fsck -f /dev/md17
e2fsck 1.40.11.sun1 (17-June-2008)
apps-OST0000: recovering journal
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #3 (3046, counted=3047).
Fix<y>? yes
Free blocks count wrong (34976431, counted=34976432).
Fix<y>? yes
apps-OST0000: ***** FILE SYSTEM WAS MODIFIED *****
apps-OST0000: 45798/9166848 files (3.7% non-contiguous),
1682816/36659248 blocks
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