I'm using the kernel provided with the latest lustre rpms (1.6.4.3), so it's mds02:~ # uname -a Linux mds02 2.6.16-54-0.2.5_lustre.1.6.4.3smp #1 SMP Sun Feb 17 10:24:52 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
John Kalpak Shah wrote: > 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
