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authorHumble Devassy Chirammal <hchiramm@redhat.com>2015-07-23 18:07:08 +0530
committerKaleb KEITHLEY <kkeithle@redhat.com>2015-08-05 04:49:00 -0700
commita0919d638a889f03a5bd804cf4c3a63084680fce (patch)
tree72d519341747cfc82afcc06c313f9b92018bece0 /doc/features/afr-statistics.md
parent3403370ebeaf16567b79022c6ac48b2e0cd50db5 (diff)
Removing glusterfs features doc from glusterfs repo
According to the new workflow defined for glusterfs documentation, the features are maintained at https://github.com/gluster/glusterfs-specs. Removing the features dir from the doc repo as per, https://www.mail-archive.com/gluster-users@gluster.org/msg21168.html Change-Id: I2f1219c49ef933f6b89a55f2238787d8565d80b6 BUG: 1206539 Signed-off-by: Humble Devassy Chirammal <hchiramm@redhat.com> Reviewed-on: http://review.gluster.org/11749 Tested-by: NetBSD Build System <jenkins@build.gluster.org> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: Humble Devassy Chirammal <humble.devassy@gmail.com> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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-##gluster volume heal <volume-name> statistics
-
-##Description
-In case of index self-heal, self-heal daemon reads the entries from the
-local bricks, from /brick-path/.glusterfs/indices/xattrop/ directory.
-So based on the entries read by self heal daemon, it will attempt self-heal.
-Executing this command will list the crawl statistics of self heal done for
-each brick.
-
-For each brick, it will list:
-1. Starting time of crawl done for that brick.
-2. Ending time of crawl done for that brick.
-3. No of entries for which self-heal is successfully attempted.
-4. No of split-brain entries found while self-healing.
-5. No of entries for which heal failed.
-
-
-
-Example:
-a) Create a gluster volume with replica count 2.
-b) Create 10 files.
-c) kill brick_1 of this replica.
-d) Overwrite all 10 files.
-e) Kill the other brick (brick_2), and bring back (brick_1) up.
-f) Overwrite all 10 files.
-
-Now we have 10 files, which are in split brain. Self heal daemon will crawl for
-both the bricks, and will count 10 files from each brick.
-It will report 10 files under split-brain with respect to given brick.
-
-Gathering crawl statistics on volume volume1 has been successful
-------------------------------------------------
-
-Crawl statistics for brick no 0
-Hostname of brick 192.168.122.1
-
-Starting time of crawl: Tue May 20 19:13:11 2014
-
-Ending time of crawl: Tue May 20 19:13:12 2014
-
-Type of crawl: INDEX
-No. of entries healed: 0
-No. of entries in split-brain: 10
-No. of heal failed entries: 0
-------------------------------------------------
-
-Crawl statistics for brick no 1
-Hostname of brick 192.168.122.1
-
-Starting time of crawl: Tue May 20 19:13:12 2014
-
-Ending time of crawl: Tue May 20 19:13:12 2014
-
-Type of crawl: INDEX
-No. of entries healed: 0
-No. of entries in split-brain: 10
-No. of heal failed entries: 0
-
-------------------------------------------------
-
-
-As the output shows, self-heal daemon detects 10 files in split-brain with
-resept to given brick.
-
-
-
-
-##gluster volume heal <volume-name> statistics heal-count
-It lists the number of entries present in
-/<brick>/.glusterfs/indices/xattrop from each-brick.
-
-
-1. Create a replicate volume.
-2. Kill one brick of a replicate volume1.
-3. Create 10 files.
-4. Execute above command.
-
---------------------------------------------------------------------------------
-Gathering count of entries to be healed on volume volume1 has been successful
-
-Brick 192.168.122.1:/brick_1
-Number of entries: 10
-
-Brick 192.168.122.1:/brick_2
-No gathered input for this brick
--------------------------------------------------------------------------------
-
-
-
-
-
-
-##gluster volume heal <volume-name> statistics heal-count replica \
- ip_addr:/brick_location
-
-To list the number of entries to be healed from a particular replicate
-subvolume, listing any one child of that replicate subvolume in the command,
-will list the entries for all the childrens of that replicate subvolume.
-
-Example: dht
- / \
- / \
- replica-1 replica-2
- / \ / \
- child-1 child-2 child-3 child-4
- /brick1 /brick2 /brick3 /brick4
-
-gluster volume heal <vol-name> statistics heal-count ip:/brick1
-will list count only for child-1 and child-2.
-
-gluster volume heal <vol-name> statistics heal-count ip:/brick3
-will list count only for child-3 and child-4.
-
-
-
-1. Create a volume same as mentioned in the above graph.
-2. Kill Brick-2.
-3. Create some files.
-4. If we are interested in knowing the number of files to be healed from each
- brick of replica-1 only, mention any one child of that replica.
-
-gluster volume heal volume1 statistics heal-count replica 192.168.122.1:/brick2
-
-output:
--------
-Gathering count of entries to be healed per replica on volume volume1 has \
-been successful
-
-Brick 192.168.122.1:/brick_1
-Number of entries: 10 <--10 files
-
-Brick 192.168.122.1:/brick_2
-No gathered input for this brick <-Brick is down
-
-Brick 192.168.122.1:/brick_3
-No gathered input for this brick <--No result, as we are not
- interested.
-
-Brick 192.168.122.1:/brick_4 <--No result, as we are not
-No gathered input for this brick interested.
-
-