[lustre-discuss] request for help - ZFS based Lustre, MDT disk not mounting

[Feng Zhang]

Is lustre module loaded already in kernel and started?

On Tue, Jun 19, 2018 at 10:07 AM, Hebenstreit, Michael <
michael.hebenstreit at intel.com> wrote:

> 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
>
>
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>



-- 
Best,

Feng
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