[Lustre-discuss] Problem re-mounting Lustre on an other node

[Michael Schwartzkopff]

Hi,

we have a Lustre 1.8 Cluster with openais and pacemaker as the cluster 
manager. When I migrate one lustre resource from one node to an other node I 
get an error. Stopping lustre on one node is no problem, but the node where 
lustre should start says:

Oct 14 09:54:28 sososd6 kernel: kjournald starting.  Commit interval 5 seconds
Oct 14 09:54:28 sososd6 kernel: LDISKFS FS on dm-4, internal journal
Oct 14 09:54:28 sososd6 kernel: LDISKFS-fs: recovery complete.
Oct 14 09:54:28 sososd6 kernel: LDISKFS-fs: mounted filesystem with ordered 
data mode.
Oct 14 09:54:28 sososd6 multipathd: dm-4: umount map (uevent)
Oct 14 09:54:39 sososd6 kernel: kjournald starting.  Commit interval 5 seconds
Oct 14 09:54:39 sososd6 kernel: LDISKFS FS on dm-4, internal journal
Oct 14 09:54:39 sososd6 kernel: LDISKFS-fs: mounted filesystem with ordered 
data mode.
Oct 14 09:54:39 sososd6 kernel: LDISKFS-fs: file extents enabled
Oct 14 09:54:39 sososd6 kernel: LDISKFS-fs: mballoc enabled
Oct 14 09:54:39 sososd6 kernel: Lustre: MGC134.171.16.190 at tcp: Reactivating 
import
Oct 14 09:54:45 sososd6 kernel: LustreError: 137-5: UUID 'segfs-OST0000_UUID' 
is not available  for connect (no target)
Oct 14 09:54:45 sososd6 kernel: LustreError: Skipped 3 previous similar 
messages
Oct 14 09:54:45 sososd6 kernel: LustreError: 31334:0:
(ldlm_lib.c:1850:target_send_reply_msg()) @@@ processing error (-19)  
req at ffff810225fcb800 x334514011/t0 o8-><?>@<?>:0/0 lens 368/0 e 0 to 0 dl 
1255506985 ref 1 fl Interpret:/0/0 rc -19/0
Oct 14 09:54:45 sososd6 kernel: LustreError: 31334:0:
(ldlm_lib.c:1850:target_send_reply_msg()) Skipped 3 previous similar messages

These log continue until the cluster software times out and the resource tells 
me about the error. Any help understanding these logs? Thanks.

-- 
Dr. Michael Schwartzkopff
MultiNET Services GmbH
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