[Gluster-devel] question on gluster volume heal VOLUME info command

[Ravishankar N]

On 05/10/2016 04:37 PM, Angelos SAKELLAROPOULOS wrote:
> Hi,
>
> I use Glusterfs (branch v.3.6.9). I would like to ask you what does 
> "gluster volume heal VOLUME" command show ?
This launches index heal.

> I use GlusterFs as shared storage and check the output of "gluster 
> volume heal VOLUME info" and "gluster volume heal VOLUME info 
> split-brain" commands. I would like to ask you what is the difference 
> between above two commands in
The first lists all files that need heal (including split-brain ones) 
while the second one only lists ones in split-brain.

> glusterfs version 3.6.9 ? Moreover, I get the following output when 
> executing above commands in my system:
info split-brain has been re implemented in 3.7.x to make it more 
accurate. (http://review.gluster.org/9459)
> #gluster volume heal test_volume info
> Brick server1:/mnt/bricks/test_volume/brick
> Status: Transport endpoint is not connected

You need to see why you're getting ENOTCONN here. Is the brick up? Check 
glfsheal-<volname>.log on the bricks. If both bricks are up, even  
"gluster volume heal VOLUME info"  should print the file that is in 
split-brain.

-Ravi
> Brick server2:/mnt/bricks/test_volume/brick
>  /aDirectory/aFile
> then I try to check output of gluster volume heal info split-brain 
> command:
> #gluster volume heal test_volume split-brain
> Gathering list of split brain entries on volume services has been 
> successful
> Brick server1:/mnt/bricks/test_volume/brick
> Number of entries:0
> Brick server2:/mnt/bricks/test_volume/brick
> Number of entries:0
> I also hexdump file /ment/bricks/test_volume/brick/aDirectory/aFile 
> and receive input/output error and I wonder why "gluster volume heal 
> VOLUME info split-brain" does not show 
> /mnt/bricks/test_volume/brick/aDirectory/aFile in split brain mode ?
>
> Thanks,
> Angelos
>
>
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