[lustre-discuss] request for help - ZFS based Lustre, MDT disk not mounting
Hebenstreit, Michael
michael.hebenstreit at intel.com
Tue Jun 19 07:07:42 PDT 2018
Mount commands hangs, no error messages in kernel log, tried already rebooting (twice) - any ideas?
Thanks
Michael
root 4137 0.0 0.0 123520 1048 pts/0 S+ 07:56 0:00 mount -t lustre mgsmdt/mdt /lfs/lfs11/mdt
root 4138 0.0 0.0 81728 3272 pts/0 S+ 07:56 0:00 /sbin/mount.lustre mgsmdt/mdt /lfs/lfs11/mdt -o rw
[root at elfs11m1 ~]# dmesg | grep -i MDT
[ 107.238438] LustreError: 137-5: lfs11-MDT0000_UUID: not available for connect from 36.101.16.38 at tcp (no target). If you are running an HA pair check that the target is mounted on the other server.
[ 107.656990] Lustre: lfs11-MDT0000: Not available for connect from 36.101.16.39 at tcp (not set up)
ZFS does not report any issues, mgs (on the same zpool) mounted without issues
[root at elfs11m1 ~]# zfs list
NAME USED AVAIL REFER MOUNTPOINT
mgsmdt 149G 18.9T 40.8K /mgsmdt
mgsmdt/mdt 147G 18.9T 147G /mgsmdt/mdt
mgsmdt/mgs 4.48M 18.9T 4.48M /mgsmdt/mgs
[root at elfs11m1 ~]# zpool status
pool: mgsmdt
state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
the pool may no longer be accessible by software that does not support
the features. See zpool-features(5) for details.
scan: scrub repaired 0B in 2h14m with 0 errors on Thu May 31 13:36:58 2018
config:
NAME STATE READ WRITE CKSUM
mgsmdt ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
sdb ONLINE 0 0 0
sdc ONLINE 0 0 0
sdd ONLINE 0 0 0
sde ONLINE 0 0 0
sdf ONLINE 0 0 0
sdg ONLINE 0 0 0
sdh ONLINE 0 0 0
sdi ONLINE 0 0 0
sdj ONLINE 0 0 0
sdk ONLINE 0 0 0
sdl ONLINE 0 0 0
sdm ONLINE 0 0 0
sdn ONLINE 0 0 0
sdo ONLINE 0 0 0
sdp ONLINE 0 0 0
sdq ONLINE 0 0 0
sdr ONLINE 0 0 0
sds ONLINE 0 0 0
sdt ONLINE 0 0 0
sdu ONLINE 0 0 0
sdv ONLINE 0 0 0
sdw ONLINE 0 0 0
sdx ONLINE 0 0 0
sdy ONLINE 0 0 0
errors: No known data errors
------------------------------------------------------------------------
Michael Hebenstreit Senior Cluster Architect
Intel Corporation, MS: RR1-105/H14 Core and Visual Compute Group (DCE)
4100 Sara Road Tel.: +1 505-794-3144
Rio Rancho, NM 87124
UNITED STATES E-mail: michael.hebenstreit at intel.com
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