On Mon, 2008-05-05 at 16:34 -0400, jrs wrote: > The docs say that specifying --failnode should automatically > set mmp on the filesystem. I've seen it work and not work ... > It doesn't in this case ...
What is the kernel version you are using? Actually MMP is supported only for kernel versions >= 2.6.9. Thanks, Kalpak > > > mds01:/net/lmd01/space/lustre # mkfs.lustre --reformat --fsname i3_lfs4 --mdt > --mgs --failnode mds02 /dev/mapper/mdt_lustre03-04_00_dm_8_mds01 > > Permanent disk data: > Target: i3_lfs4-MDTffff > Index: unassigned > Lustre FS: i3_lfs4 > Mount type: ldiskfs > Flags: 0x75 > (MDT MGS needs_index first_time update ) > Persistent mount opts: errors=remount-ro,iopen_nopriv,user_xattr > Parameters: [EMAIL PROTECTED] [EMAIL PROTECTED] > mdt.group_upcall=/usr/sbin/l_getgroups > > device size = 5722881MB > formatting backing filesystem ldiskfs on > /dev/mapper/mdt_lustre03-04_00_dm_8_mds01 > target name i3_lfs4-MDTffff > 4k blocks 0 > options -J size=400 -i 4096 -I 512 -q -O dir_index -F > mkfs_cmd = mkfs.ext2 -j -b 4096 -L i3_lfs4-MDTffff -J size=400 -i 4096 -I > 512 -q -O dir_index -F /dev/mapper/mdt_lustre03-04_00_dm_8_mds01 > Writing CONFIGS/mountdata > > mds01:/net/lmd01/space/lustre # mount -t lustre > /dev/mapper/mdt_lustre03-04_00_dm_8_mds01 /mnt/lustre/mdt > > mds01:/net/lmd01/space/lustre # lctl dl > 0 UP mgs MGS MGS 5 > 1 UP mgc [EMAIL PROTECTED] 713e72db-26b3-58d7-5424-ad0c1520c915 5 > 2 UP mdt MDS MDS_uuid 3 > 3 UP lov i3_lfs4-mdtlov i3_lfs4-mdtlov_UUID 4 > 4 UP mds i3_lfs4-MDT0000 i3_lfs4-MDT0000_UUID 3 > mds01:/net/lmd01/space/lustre # umount -t lustre -a > mds01:/net/lmd01/space/lustre # dumpe2fs -h > /dev/mapper/mdt_lustre03-04_00_dm_8_mds01 |grep feat > dumpe2fs 1.40.4.cfs1 (31-Dec-2007) > Filesystem features: has_journal resize_inode dir_index filetype > needs_recovery sparse_super large_file > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
