On Feb 19, 2009 20:42 -0500, Robin Humble wrote: > 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?
Do you have the "MMP" feature enabled? > 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 > > [r...@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 > [r...@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 > [r...@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 > [r...@sox2 ~]# > [r...@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 > [r...@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 > [r...@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 > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
