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* cluster/afr: CLI for granular entry heal enablement/disablementKrutika Dhananjay2016-11-296-7/+149
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Backport of: http://review.gluster.org/15747 When there are already existing non-granular indices created that are yet to be healed, if granular-entry-heal option is toggled from 'off' to 'on', AFR self-heal whenever it kicks in, will try to look for granular indices in 'entry-changes'. Because of the absence of name indices, granular entry healing logic will fail to heal these directories, and worse yet unset pending extended attributes with the assumption that are no entries that need heal. To get around this, a new CLI is introduced which will invoke glfsheal program to figure whether at the time an attempt is made to enable granular entry heal, there are pending heals on the volume OR there are one or more bricks that are down. If either of them is true, the command will be failed with the appropriate error. New CLI: gluster volume heal <VOL> granular-entry-heal {enable,disable} Change-Id: I342e0390f847fcb015a50ef58aedfcbcb58f4ed3 BUG: 1398501 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/15942 NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* features/index: Delete granular entry indices of already healed directories ↵Krutika Dhananjay2016-11-261-0/+76
| | | | | | | | | | | | | | | | | | | | | | | | during crawl Backport of: http://review.gluster.org/15880 If granular name indices are already in existence for a volume, and before they are healed, granular entry heal be disabled, a crawl on indices/xattrop will clear the changelogs on these directories. When their corresponding entry-changes indices are crawled subsequently, if it is found that the directories don't need heal anymore, the granular indices are not cleaned up. This patch fixes that problem by ensuring that the zero-xattrop also deletes the stale indices at the level of index translator. Change-Id: Iae0a560c1c9d37b083cad89f16d3dcf83c4f7dc7 BUG: 1398501 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/15927 Smoke: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* afr, index: Clean up stale directory and file indices in granular entry shKrutika Dhananjay2016-07-151-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Backport of: http://review.gluster.org/14832 Specifically when a directory tree is removed (rm -rf) while a brick is down, both the directory index and the name indices of the files and subdirs under it will remain. Self-heal will need to pick up these and remove them. Towards this, afr sh will now also crawl indices/entry-changes and call an rmdir on the dir if the directory index is stale. On the brick side, rmdir fop has been implemented for index xl, which would delete the directory index and its contents if present in a synctask. Change-Id: I08f45201adca56737ec2be1aab5433aebaefefd0 BUG: 1355609 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/14920 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Ravishankar N <ravishankar@redhat.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
* features/index: Delete parent dir indices when heal on it is completeKrutika Dhananjay2016-07-152-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | Backport of: http://review.gluster.org/#/c/14781 In this patch, the state information about whether a directory gfid index is present or not is stored in the inode ctx with values IN and NOTIN. This saves index xl the need to perform stat() everytime an index_entry_create() is called. When a brick is restarted these in-memory inode ctx records will be gone. So when granular entry heal happens after a brick is restarted, and a post-op is done on the parent, if the state gotten from inode ctx is UNKNOWN, then index xl does a stat to initialize the state as IN or NOTIN. Note that this is a one-time operation for the lifetime of the brick. Such a change also helps avoid calling index_del() in xattrop_index_action() periodically even when granular self-heal is disabled or when the volume type is disperse. Change-Id: I037d0a8936381fbe3105e2e78489bfa571e5bdb0 BUG: 1355609 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/14896 NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org>
* tests: Add a test for conservative merge with granular eshKrutika Dhananjay2016-06-101-0/+139
| | | | | | | | | | | | | Backport of: http://review.gluster.org/#/c/14601 Change-Id: Ic289b72443cbb4dcf1c289ac28622b49cb1153c3 BUG: 1340991 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/14602 Smoke: Gluster Build System <jenkins@build.gluster.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* tests: Add more tests for granular entry self-heal featureKrutika Dhananjay2016-06-011-0/+169
| | | | | | | | | | | | | | | Backport of: http://review.gluster.org/#/c/14542/ Change-Id: I62d383afdb2ee1dfde1e2646bdfd951ed9d5a75d BUG: 1340991 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/14560 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Ravishankar N <ravishankar@redhat.com>
* tests: Add test cases for add/replace brick with granular entry shKrutika Dhananjay2016-05-012-0/+155
Most of the tests borrowed from Anuradha's original replace-brick and add-brick tests under tests/basic/afr/. Change-Id: I874c04a6af3223e07aa6099b818ff502b6ba2a15 BUG: 1269461 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/14130 Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
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