I am messing around with gluster management and I've added a couple bricks
and did a rebalance, first fix-layout and then migrate data. When I do
this I seem to get a lot of failures:
gluster> volume rebalance MAIL status
Node Rebalanced-files size
scanned failures status
--------- ----------- -----------
----------- ----------- ------------
localhost 6657 36611748
71014 10458 completed
gs3 3528 21167454
51122 8491 completed
gs2 0 0
45079 0 completed
gs4 0 0
45069 0 completed
The logs for this show:
[2012-06-28 13:35:54.100842] I [dht-rebalance.c:639:dht_migrate_file]
0-MAIL-dht:
/testuser393/maildir/new/1340909913.V14Ia51f68d6a66824a5M364717.test-gluster-client1:
attempting to move from MAIL-replicate-1 to MAIL-replicate-0
[2012-06-28 13:35:54.111880] W [dht-rebalance.c:353:__dht_check_free_space]
0-MAIL-dht: data movement attempted from node (MAIL-replicate-1) with
higher disk space to a node (MAIL-replicate-0) with lesser disk space
(/testuser393/maildir/new/1340909913.V14Ia51f68d6a66824a5M364717.test-gluster-client1)
[2012-06-28 13:35:54.111947] E
[dht-rebalance.c:1194:gf_defrag_migrate_data] 0-MAIL-dht: migrate-data
failed for
/testuser393/maildir/new/1340909913.V14Ia51f68d6a66824a5M364717.test-gluster-client1
All the gluster servers have the same amount of disk space so I'm confused
by the failure. Is this something to be worried about?
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