[Gluster-users] Replica self-heal issue (gluster 3.4.2)

[Jia-Hao Chen]

files are present in dir1 and dir2 on node1, and dir1 in node2
dir2 on node2 is empty

On node 1:
[/mnt/gluster] # ls /home/harry/gluster/brick/dir*
/home/harry/gluster/brick/dir1:
a  b  c

/home/harry/gluster/brick/dir2:
a  b  c

[/mnt/gluster] # getfattr -m . -d -e hex /home/harry/gluster/brick/dir*
getfattr: Removing leading '/' from absolute path names
# file: home/harry/gluster/brick/dir1
system.posix_acl_access=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000500ffffffff20000500ffffffff
system.posix_acl_default=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000700ffffffff20000000ffffffff
trusted.afr.GV0_DATA-client-0=0x000000000000000000000000
trusted.afr.GV0_DATA-client-1=0x00000000ffffffffffffffff
trusted.gfid=0x28d502fdb1c94ce0ad631d4ab131add0
trusted.glusterfs.dht=0x000000010000000000000000ffffffff

# file: home/harry/gluster/brick/dir2
system.posix_acl_access=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000500ffffffff20000500ffffffff
system.posix_acl_default=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000700ffffffff20000000ffffffff
trusted.afr.GV0_DATA-client-0=0x000000000000000000000000
trusted.afr.GV0_DATA-client-1=0x000000000000000100000001
trusted.gfid=0x28d502fdb1c94ce0ad631d4ab131add0
trusted.glusterfs.dht=0x000000010000000000000000ffffffff


On node 2:
[/mnt/gluster] # ls /home/harry/gluster/brick/dir*
/home/harry/gluster/brick/dir1
a  b  c

/home/harry/gluster/brick/dir2

[/mnt/gluster] # getfattr -m . -d -e hex /home/harry/gluster/brick/dir*
getfattr: Removing leading '/' from absolute path names
# file: home/harry/gluster/brick/dir1
system.posix_acl_access=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000500ffffffff20000500ffffffff
system.posix_acl_default=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000700ffffffff20000000ffffffff
trusted.afr.GV0_DATA-client-0=0x000000000000000000000000
trusted.afr.GV0_DATA-client-1=0x000000000000000000000000
trusted.gfid=0x28d502fdb1c94ce0ad631d4ab131add0
trusted.glusterfs.dht=0x000000010000000000000000ffffffff

# file: home/harry/gluster/brick/dir2
system.posix_acl_access=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000500ffffffff20000000ffffffff
system.posix_acl_default=0x0200000001000700ffffffff020007000000000002000500feff00000200070042420f000200050043420f000200050044420f0004000700ffffffff10000700ffffffff20000000ffffffff
trusted.gfid=0x28d502fdb1c94ce0ad631d4ab131add0


On Thu, Apr 17, 2014 at 11:37 AM, Ravishankar N <ravishankar at redhat.com>wrote:

>  On 04/16/2014 07:47 PM, Jia-Hao Chen wrote:
>
> Dear all,
>
>  I create a replicated volume with 2 nodes.
> And I make a directory and create a few files in it.
>
>  [/mnt/gluster] # mkdir dir1
>  [/mnt/gluster] # echo 123 >> dir1/a
>  [/mnt/gluster] # echo 123 >> dir1/b
>  [/mnt/gluster] # echo 123 >> dir1/c
>
>  Then I bring down node 2 and rename dir1 to dir2
>
>  [/mnt/gluster] # mv dir1 dir2
>
>  After bring back node 2, dir1 reappear
>
>  [/mnt/gluster] # ls -l
>  drwxr-x---    2 harry    harry      4096 Apr 16 11:30 dir1/
> drwxr-x---    2 harry    harry      4096 Apr 16 11:30 dir2/
>
>  It surprised me. But it makes sense since dir1 is still on node 2.
> When node 2 come back, dir1 is healed on another node.
> However when I list both dir1 and dir2, the file list is empty.
>
>  [/mnt/gluster] # ls -l dir1
>  [/mnt/gluster] # ls -l dir2
>  [/mnt/gluster] #
>
>  It seems a bug to me.
> What is the expected result of this case?
>
>   This is strange. The expected result is that node 2 must also contain
> only dir2. i.e. the self-heal must happen from node 1 to node 2 once the
> latter comes back online.
> Are the files present in the backend bricks?
>
> -Ravi
>
>  Best regards,
> Chen, Chia-Hao
>
>
>
>
>
> _______________________________________________
> Gluster-users mailing listGluster-users at gluster.orghttp://supercolony.gluster.org/mailman/listinfo/gluster-users
>
>
>
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