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* Fix resolution issues across fuse/server/afrPranith Kumar K2014-06-141-0/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problems with fuse/server: Fuse loc touch up sets loc->name even when pargfid is not known. Server lookup does (pargfid, name) based lookup when name is set ignoring the gfid. Because of this server resolver finds that the lookup came on (null-pargfid, name) and fails the lookup with EINVAL. Fix: Don't set loc->name in loc_touchup if the pargfid is not known. Did the same even for server-resolver Problem with afr: Lets say there is a directory hierarchy a/b/c/d on the mount and the user is cd'ed into the directory. Bring down one of the bricks of replica and remove all directories/files to simulate disk replacement on that brick. Now this brick is brought back up. Creates on the cd'ed directory fail with ESTALE. Basically before sending a create of 'f' inside 'd', fuse sends a lookup to make sure the file is not present. On one of the bricks 'd' is present and 'f' is not so it sends ENOENT as response. On the new brick 'd' itself is not present. So it sends ESTALE. In afr ESTALE is considered to be special errno on witnessing which lookup has to fail. And ESTALE is given more priority than ENOENT. Due to these reasons lookup fails with ESTALE rather than ENOENT. Since lookup didn't fail with ENOENT, 'create' can't be issued so the command is failed with ESTALE. Solution: Afr needs to consider ESTALE errno normally and ENOENT needs to be given more priority so that operations like create can proceed even when only one of the brick is up and running. Whenever client xlator identifies that gfid-changed, it sets that information in lookup xdata. Afr uses this information to fail the lookup with ESTALE so that top xlator can send fresh lookup. Change-Id: Ica6ce01baef08620154050a635e6f97d51029ef6 BUG: 1106408 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/8015 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* tests: Use uniform timeoutsPranith Kumar K2014-05-195-56/+56
| | | | | | | | | Change-Id: I479ab941b3b2da3b16f624400fbd300f08326268 BUG: 1092850 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/7799 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* tests/afr: self-healRavishankar N2014-04-071-0/+237
| | | | | | | | | | | | | | | Basic functional tests related to self-heal. arequal-checksum.c is taken from https://github.com/raghavendrabhat/arequal after consent from all authors. Change-Id: I43facc31c61375f4dbe58bbb46238e15df5c9011 BUG: 1080759 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: http://review.gluster.org/7357 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* tests/afr: select correct read-child for entry OPs.Ravishankar N2014-04-041-0/+35
| | | | | | | | | | Change-Id: If375c937579a18d603ed70232130a4664060e9d6 BUG: 1080759 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: http://review.gluster.org/7344 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* tests/afr: gfid mismatch testRavishankar N2014-03-301-0/+26
| | | | | | | | | Change-Id: I12bae9c4035d5b28292e8085a5b600a3e22abaf4 BUG: 1080759 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: http://review.gluster.org/7342 Reviewed-by: Vijay Bellur <vbellur@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* tests/afr: select correct read-child for data OPs.Ravishankar N2014-03-301-0/+33
| | | | | | | | | Change-Id: If84bc489b6c45bde3bdb858da5f1600cea78c8a5 BUG: 1080759 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: http://review.gluster.org/7345 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* tests: Stale file lookup testPranith Kumar K2014-03-281-0/+30
| | | | | | | | | | Change-Id: I6edfc5b7ee42677e92d9cff6a7180692d20e9310 BUG: 1080759 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/7341 Reviewed-by: Ravishankar N <ravishankar@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* cluster/afr: Sparse file self-heal cangesPranith Kumar K2014-03-261-0/+121
- Fix boundary condition for offset - Honour data-self-heal-algorithm option - Added tests for sparse file self-healing Change-Id: I14bb1c9d04118a3df4072f962fc8f2f197391d95 BUG: 1080707 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/7339 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
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