On 09/13/2016 07:38 AM, Phill Harvey-Smith wrote: > On 13/09/2016 14:59, Crowe, Tom wrote: >> Your mkfs.lustre will look something like this: >> >> mkfs.lustre ‹ost --mgsnode=NID_OF_MGS --fsname=FS_NAME >> --index=DECIMAL_NUM >> ‹backfstype=zfs --network=NET_TYPE testpool/ost-name-here >> >> The last argument, is the zfs vdev device you want mkfs.lustre to create >> for you. > > Right getting a bit further now, > > [root@oric x86_64]# mkfs.lustre --fsname=test --mgs --mdt --index=0 > --backfstype=zfs testpool/mgt_test > > Permanent disk data: > Target: test:MDT0000 > Index: 0 > Lustre FS: test > Mount type: zfs > Flags: 0x65 > (MDT MGS first_time update ) > Persistent mount opts: > Parameters: > > mkfs_cmd = zfs create -o canmount=off -o xattr=sa testpool/mgt_test > Writing testpool/mgt_test properties > lustre:version=1 > lustre:flags=101 > lustre:index=0 > lustre:fsname=test > lustre:svname=test:MDT0000 > > So it looks like the MDT/MGS is being created on the zfs pool, however > step 3 says to try and mount this, but I get : > > [root@oric x86_64]# mount -t lustre testpool/mgt_test /mgt_mds > mount.lustre: mount testpool/mgt_test at /mgt_mds failed: No such device > Are the lustre modules loaded? > Check /etc/modprobe.conf and /proc/filesystems > > Yes the modules are loaded, and lustre appears in /proc/filesystems.
Some suggestions: Run "dmesg" and see what errors were reported. Run "zfs list" to see what zfs datasets are actually created. Chris _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
