On Nov 21, 2007, at 4:55 PM, Andreas Dilger wrote: > On Nov 21, 2007 16:37 -0600, Robert Olson wrote: >> On Nov 21, 2007, at 4:30 PM, Andreas Dilger wrote: >>> On Nov 19, 2007 13:25 -0600, Robert Olson wrote: >>>> OK, early indications are good here. Started out with MDT on >>>> PPC with >>>> OST >>>> on intel, ran iozone up to 1M files and it finished without >>>> error and >>>> with >>>> reasonable performance. >>> >>> Can you please run "e2fsck -fn" (from a Lustre-patched e2fsprogs) >>> on the >>> filesystems after your tests. >> >> What will that tell me? > > It will tell me if some endian bug is corrupting your ext3 filesystem > (and possibly if there are endian bugs in our e2fsprogs patches)...
Finally getting around to trying this. One one of the OSTs: [EMAIL PROTECTED]:~# /scratch/olson/e2fsprogs/sbin/e2fsck -fn /dev/sda4 e2fsck 1.40.4.cfs1 (31-Dec-2007) Warning: skipping journal recovery because doing a read-only filesystem check. 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 (119027670, counted=117766441). Fix? no Free inodes count wrong (30269427, counted=30057352). Fix? no ppcfs-OST0001: ********** WARNING: Filesystem still has errors ********** ppcfs-OST0001: 13/30269440 files (261.5% non-contiguous), 2020192/121047862 blocks _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
