Description of problem: Handle ASSERT_CHILD_DOWN gracefully upon rebalance.
CHANGE: http://review.gluster.com/3120 (dht/rebalance: Handle ASSERT_ON_CHILD_DOWN gracefully) merged in master by Vijay Bellur (vijay)
------------ [2012-06-07 18:21:16.889775] I [dht-rebalance.c:848:dht_migrate_file] 0-a-dht: completed migration of /testdir/7731.7731 from subvolume a-client-0 to a-client-1 [2012-06-07 18:21:16.892650] I [dht-rebalance.c:639:dht_migrate_file] 0-a-dht: /testdir/180.180: attempting to move from a-client-0 to a-client-2 [2012-06-07 18:21:16.940622] I [dht-rebalance.c:848:dht_migrate_file] 0-a-dht: completed migration of /testdir/180.180 from subvolume a-client-0 to a-client-2 [2012-06-07 18:21:16.943456] I [dht-rebalance.c:639:dht_migrate_file] 0-a-dht: /testdir/6280.6280: attempting to move from a-client-0 to a-client-1 [2012-06-07 18:21:17.000150] I [dht-rebalance.c:848:dht_migrate_file] 0-a-dht: completed migration of /testdir/6280.6280 from subvolume a-client-0 to a-client-1 [2012-06-07 18:21:17.003112] I [dht-rebalance.c:639:dht_migrate_file] 0-a-dht: /testdir/3189.3189: attempting to move from a-client-0 to a-client-2 [2012-06-07 18:21:17.057435] I [dht-rebalance.c:1633:gf_defrag_stop] 0-: Recieved stop command on rebalance [2012-06-07 18:21:17.057475] I [dht-rebalance.c:1611:gf_defrag_status_get] 0-glusterfs: Rebalance is stopped [2012-06-07 18:21:17.057491] I [dht-rebalance.c:1614:gf_defrag_status_get] 0-glusterfs: Files migrated: 57, size: 277, lookups: 86, failures: 0 [2012-06-07 18:21:17.084145] I [dht-rebalance.c:848:dht_migrate_file] 0-a-dht: completed migration of /testdir/3189.3189 from subvolume a-client-0 to a-client-2 [2012-06-07 18:21:17.084917] W [glusterfsd.c:831:cleanup_and_exit] (-->/lib64/libc.so.6(clone+0x6d) [0x3b612e0e6d] (-->/lib64/libpthread.so.0() [0x3b61607b41] (-->/usr/local/sbin/glusterfs(glusterfs_sigwaiter+0xf3) [0x407c08]))) 0-: received signum (15), shutting down ------------ Notice that, now Rebalance process will complete the migration of the file which is in progress before terminating itself.