[Bugs] [Bug 1439657] Arbiter brick becames a source for data heal

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1439657

Ravishankar N <ravishankar at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|replicate                   |arbiter
           Assignee|ravishankar at redhat.com      |bugs at gluster.org



--- Comment #1 from Ravishankar N <ravishankar at redhat.com> ---
Notes to self while Denis uploads the logs:


[root at hc-lion ~]# gluster v info data

Volume Name: data
Type: Replicate
Volume ID: 7070474d-14be-4cf3-96fa-3efb72a5458c
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x (2 + 1) = 3
Transport-type: tcp
Bricks:
Brick1: hc-lion:/rhgs/data
Brick2: hc-tiger:/rhgs/data
Brick3: hc-panther:/rhgs/data (arbiter)
Options Reconfigured:
cluster.self-heal-daemon: enable
user.cifs: off
performance.strict-o-direct: on
cluster.shd-wait-qlength: 10000
cluster.shd-max-threads: 8
cluster.locking-scheme: granular
performance.low-prio-threads: 32
features.shard-block-size: 512MB
network.ping-timeout: 30
server.allow-insecure: on
storage.owner-gid: 36
storage.owner-uid: 36
cluster.data-self-heal-algorithm: full
features.shard: on
cluster.server-quorum-type: server
cluster.quorum-type: auto
network.remote-dio: off
cluster.eager-lock: enable
performance.stat-prefetch: off
performance.io-cache: off
performance.read-ahead: off
performance.quick-read: off
nfs.disable: on
performance.readdir-ahead: on
transport.address-family: inet

Xattr info:
1st Node:

[root at hc-lion ~]# g /rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
getfattr: Removing leading '/' from absolute path names
# file: rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.data-client-1=0x0000000e0000000000000000
trusted.afr.data-client-2=0x000000000000000000000000
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.version=0x080000000000000058e6028e000829f0
trusted.gfid=0x405ab9b11adb4ced927294ef36272b44
trusted.glusterfs.shard.block-size=0x0000000020000000
trusted.glusterfs.shard.file-size=0x0000000000100000000000000000000000000000000008000000000000000000

[root at hc-lion ~]# stat
/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
  File: ‘/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids’
  Size: 1048576       Blocks: 2048       IO Block: 4096   regular file
Device: fd07h/64775d    Inode: 67108931    Links: 2
Access: (0660/-rw-rw----)  Uid: (   36/    vdsm)   Gid: (   36/     kvm)
Context: system_u:object_r:unlabeled_t:s0
Access: 2017-04-06 12:30:08.330377133 +0300
Modify: 2017-04-06 12:05:06.547723917 +0300
Change: 2017-04-06 12:05:08.570709032 +0300

2nd Node:
root at hc-tiger ~]# g /rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
getfattr: Removing leading '/' from absolute path names
# file: rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.data-client-0=0x000000050000000000000000
trusted.afr.data-client-2=0x000000000000000000000000
trusted.afr.dirty=0x000000010000000000000000
trusted.bit-rot.version=0x060000000000000058e5f9100009aaa1
trusted.gfid=0x405ab9b11adb4ced927294ef36272b44
trusted.glusterfs.shard.block-size=0x0000000020000000
trusted.glusterfs.shard.file-size=0x0000000000100000000000000000000000000000000008000000000000000000

[root at hc-tiger ~]# stat
/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
  File: ‘/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids’
  Size: 1048576       Blocks: 2048       IO Block: 4096   regular file
Device: fd09h/64777d    Inode: 67108931    Links: 2
Access: (0660/-rw-rw----)  Uid: (   36/    vdsm)   Gid: (   36/     kvm)
Context: system_u:object_r:unlabeled_t:s0
Access: 2017-04-06 14:03:20.028466007 +0300
Modify: 2017-04-06 11:59:28.291178965 +0300
Change: 2017-04-06 11:59:28.291178965 +0300
 Birth: -

3rd Node:
[root at hc-panther ~]# g
/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
getfattr: Removing leading '/' from absolute path names
# file: rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.data-client-0=0x000000000000000000000000
trusted.afr.data-client-1=0x0000000e0000000000000000
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.version=0x040000000000000058e5f8f7000d5127
trusted.gfid=0x405ab9b11adb4ced927294ef36272b44
trusted.glusterfs.shard.block-size=0x0000000020000000
trusted.glusterfs.shard.file-size=0x0000000000100000000000000000000000000000000008000000000000000000

[root at hc-panther ~]# stat
/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids
  File: ‘/rhgs/data/555425cf-e3e4-4665-ae82-6152896d8190/dom_md/ids’
  Size: 0             Blocks: 0          IO Block: 4096   regular empty file
Device: fd07h/64775d    Inode: 67108931    Links: 2
Access: (0660/-rw-rw----)  Uid: (   36/    vdsm)   Gid: (   36/     kvm)
Context: system_u:object_r:unlabeled_t:s0
Access: 2017-04-06 14:03:20.006835579 +0300
Modify: 2017-04-06 11:15:00.430926000 +0300
Change: 2017-04-06 12:05:08.572428152 +0300
 Birth: -
[root at hc-panther ~]# 


md5sums on the 3 nodes respectively are c6e665a63b15c4c2c6d66beff671834e,
f84fd35dd9f09215e7710b7bed347a8a and d41d8cd98f00b204e9800998ecf8427e

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