On Aug 19, 2008 14:59 +0200, Philippe Weill wrote: > I put the journal on LVM over multipath for my OSTs > > formating the OST was made with > > mkfs.lustre -v --reformat --fsname=datafs --ost --mgsnode=10.0.0.1 > --mgsnode=10.0.0.2 --failover=10.0.0.3 --mkfsoptions="-E stride=64 -E > stripe-width=9 -J device=LABEL=JNL_OST0_DATA -i 131072" /dev/mpath/ost0_data > > > and now I'm fighting against udev since external journal device > major and minor number seem to be hard coded in the file system > > and change on reboot > > [EMAIL PROTECTED] rules.d]# tune2fs -l /dev/mpath/ost0_data > tune2fs 1.40.7.sun3 (28-Feb-2008) > Filesystem volume name: datafs-OST0000 > Last mounted on: <not available> > Filesystem UUID: 7507ef98-4475-4612-a24b-fb7b0712ea42 > [...] > Journal UUID: 41f9f23d-b23b-4bec-b694-68bfca9d35c7 > Journal device: 0xfd19 > Default directory hash: tea > Directory Hash Seed: b2550fed-3ffe-4f13-ab8e-a5de49ef9fec > > [EMAIL PROTECTED] rules.d]# ls -l /dev/mapper/JNL_SUMO1-jnl_ost0_data > brw-rw---- 1 root disk 253, 23 Aug 19 14:15 > /dev/mapper/JNL_SUMO1-jnl_ost0_data > > trying with tune2fs to change the device doesn't seem to work > or i don't used the good syntax > > [EMAIL PROTECTED] rules.d]# tune2fs -J > device=/dev/mapper/JNL_SUMO1-jnl_ost0_data /dev/mpath/ost0_data > tune2fs 1.40.7.sun3 (28-Feb-2008) > The filesystem already has a journal.
This is only to add the journal device to the filesystem. > what solution could you propose to recover my filesystem What you are looking for is the mount option "-o journal_dev" to change the journal device. See also bug 16140 for a patch related to this. 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
