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Based on the proposal to remove few features as they are not
actively maintained [1], removing tier translator from the
build. Also make sure there are no regression tests involving
tiering feature are present.
[1] https://lists.gluster.org/pipermail/gluster-users/2018-July/034400.html
Change-Id: I2c177f711f9b54b7b24e1a13525ff3132bd9a9c5
updates: bz#1642807
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4
Signed-off-by: Nigel Babu <nigelb@redhat.com>
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dht_migrate_file does not migrate file locks to the dst file.
Any locks held on the source file are lost once the migration
is complete. This issue is magnified in the case of a tier volume
as file migrations occur more frequently and repeatedly as compared
to a DHT rebalance.
The fix makes 2 changes:
1. Before starting the actual migration process, check if there are
any locks held on the file. If yes, do not migrate the file.
2. The rebalance process tries to lock on the entire file just before
moving into the Phase 2 of the file migration. If the lock acquisition
fails, the file migration does not proceed.
If the lock is granted, the file migration proceeds.
This still leaves a small window where conflicting locks can be granted to
different clients. If client1 requests a lock on the src file just after
it is converted to a linkto file and client2 requests a lock on the dst
data file, they will both be granted, but all FOPs will be redirected
to the dst data file. This issue will be taken up in a subsequent patch.
Change-Id: I8c895fc3cced50dd2894259d40a827c7b43d58ac
BUG: 1271148
Signed-off-by: N Balachandran <nbalacha@redhat.com>
Reviewed-on: http://review.gluster.org/12347
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>
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