[Gluster-devel] [Gluster-users] gluster volume heal info split brain command not showing files in split-brain

[ABHISHEK PALIWAL]

Hi Anuradha,

Please reply on this issue.

Regards,
Abhishek

On Thu, Mar 10, 2016 at 11:22 AM, ABHISHEK PALIWAL <abhishpaliwal at gmail.com>
wrote:

> Hi Anuradha,
>
> Please find the glusterfs and glusterd logs directory as an attachment.
>
> Regards,
> Abhishek
>
>
>
>
> On Wed, Mar 9, 2016 at 5:54 PM, ABHISHEK PALIWAL <abhishpaliwal at gmail.com>
> wrote:
>
>> Hi Anuradha,
>>
>> Sorry for late reply.
>>
>> Please find the requested logs below:
>>
>> Remote: 10.32.0.48
>> Local : 10.32.1.144
>>
>> Local:
>> #gluster volume heal c_glusterfs info split-brain
>> Brick 10.32.1.144:/opt/lvmdir/c2/brick
>> Number of entries in split-brain: 0
>>
>> Brick 10.32.0.48:/opt/lvmdir/c2/brick
>> Number of entries in split-brain: 0
>>
>> Remote:
>> #gluster volume heal c_glusterfs info split-brain
>> Brick 10.32.1.144:/opt/lvmdir/c2/brick
>> Number of entries in split-brain: 0
>>
>> Brick 10.32.0.48:/opt/lvmdir/c2/brick
>> Number of entries in split-brain: 0
>>
>> auto-sync.sh.
>> Here you can see that i/o error is detected. Below is the required meta
>> data from both the bricks.
>>
>> 1)
>> stat: cannot stat '/mnt/c//public_html/cello/ior_files/nameroot.ior':
>> Input/output error
>> Remote:
>>
>> getfattr -d -m . -e hex
>> opt/lvmdir/c2/brick/public_html/cello/ior_files/nameroot.ior
>> # file: opt/lvmdir/c2/brick/public_html/cello/ior_files/nameroot.ior
>> trusted.afr.dirty=0x000000000000000000000000
>> trusted.bit-rot.version=0x000000000000000256ded2f6000ad80f
>> trusted.gfid=0x771221a7bb3c4f1aade40ce9e38a95ee
>>
>> Local:
>>
>> getfattr -d -m . -e hex
>> opt/lvmdir/c2/brick/public_html/cello/ior_files/nameroot.ior
>> # file: opt/lvmdir/c2/brick/public_html/cello/ior_files/nameroot.ior
>> trusted.bit-rot.version=0x000000000000000256ded38f000e3a51
>> trusted.gfid=0x8ea33f46703c4e2d95c09153c1b858fd
>>
>>
>> 2)
>> stat: cannot stat '/mnt/c//security/corbasecurity': Input/output error
>> Remote:
>>
>> getfattr -d -m . -e hex opt/lvmdir/c2/brick/security/corbasecurity
>> # file: opt/lvmdir/c2/brick/security/corbasecurity
>> trusted.afr.dirty=0x000000000000000000000000
>> trusted.bit-rot.version=0x000000000000000256ded2f6000ad80f
>> trusted.gfid=0xd298b7a0c8834f3e99abb39741363013
>>
>> Local:
>>
>> getfattr -d -m . -e hex opt/lvmdir/c2/brick/security/corbasecurity
>> # file: opt/lvmdir/c2/brick/security/corbasecurity
>> trusted.bit-rot.version=0x000000000000000256ded38f000e3a51
>> trusted.gfid=0x890df0f706184b52803fac3242a2f15b
>>
>> I observed that getfattr command output doesn't show all the fields all
>> the times.
>>
>> Here you can check that gluster split-brain command hasn't reported any
>> split-brains but resulted in IO errors when accessed few files.
>>
>> Could you please tell me if "split-brain" command doesn't reported any
>> entry as output, then is there any way through which we can find out that
>> the files are in split-brain if we are getting the IO error on those file.
>>
>>
>> Regards,
>> Abhishek
>>
>>
>>
>> On Thu, Mar 3, 2016 at 5:32 PM, Anuradha Talur <atalur at redhat.com> wrote:
>>
>>>
>>>
>>> ----- Original Message -----
>>> > From: "ABHISHEK PALIWAL" <abhishpaliwal at gmail.com>
>>> > To: gluster-users at gluster.org, gluster-devel at gluster.org
>>> > Sent: Thursday, March 3, 2016 12:10:42 PM
>>> > Subject: [Gluster-users] gluster volume heal info split brain command
>>> not     showing files in split-brain
>>> >
>>> >
>>> > Hello,
>>> >
>>> > In gluster, we use the command "gluster volume heal c_glusterfs info
>>> > split-brain" to find the files that are in split-brain scenario.
>>> > We run heal script (developed by Windriver prime team) on the files
>>> reported
>>> > by above command to resolve split-brain issue.
>>> >
>>> > But we observed that the above command is not showing all files that
>>> are in
>>> > split-brain,
>>> > even though split brain scenario actually exists on the node.
>>> >
>>> > Now a days this issue is seen more often and IO errors are reported
>>> when
>>> > tried to access these files under split-brain.
>>> >
>>> > Can you please check why this gluster command is not showing files
>>> under
>>> > split-brain?
>>> > We can provide you required logs and support to resolve this issue.
>>> Hi,
>>>
>>> Could you paste the output of getfattr -m. -de hex
>>> <path-to-files-in-split-brain> from all the bricks that the files lie in?
>>>
>>> >
>>> > Please reply on this because I am not getting any reply from the
>>> community.
>>> >
>>> > --
>>> >
>>> > Regards
>>> > Abhishek Paliwal
>>> >
>>> > _______________________________________________
>>> > Gluster-users mailing list
>>> > Gluster-users at gluster.org
>>> > http://www.gluster.org/mailman/listinfo/gluster-users
>>>
>>> --
>>> Thanks,
>>> Anuradha.
>>>
>>
>
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