[Gluster-users] Geo Replication stops replicating

[Kotresh Hiremath Ravishankar]

Yes, rsync config option should have fixed this issue.

Could you share the output of the following?

1. gluster volume geo-replication <MASTERVOL> <SLAVEHOST>::<SLAVEVOL>
config rsync-options
2. ps -ef | grep rsync

On Fri, May 31, 2019 at 4:11 PM deepu srinivasan <sdeepugd at gmail.com> wrote:

> Done.
> We got the following result .
>
>> 1559298781.338234 write(2, "rsync: link_stat
>> \"/tmp/gsyncd-aux-mount-EEJ_sY/.gfid/3fa6aed8-802e-4efe-9903-8bc171176d88\"
>> failed: No such file or directory (2)", 128
>
> seems like a file is missing ?
>
> On Fri, May 31, 2019 at 3:25 PM Kotresh Hiremath Ravishankar <
> khiremat at redhat.com> wrote:
>
>> Hi,
>>
>> Could you take the strace with with more string size? The argument
>> strings are truncated.
>>
>> strace -s 500 -ttt -T -p <rsync pid>
>>
>> On Fri, May 31, 2019 at 3:17 PM deepu srinivasan <sdeepugd at gmail.com>
>> wrote:
>>
>>> Hi Kotresh
>>> The above-mentioned work around did not work properly.
>>>
>>> On Fri, May 31, 2019 at 3:16 PM deepu srinivasan <sdeepugd at gmail.com>
>>> wrote:
>>>
>>>> Hi Kotresh
>>>> We have tried the above-mentioned rsync option and we are planning to
>>>> have the version upgrade to 6.0.
>>>>
>>>> On Fri, May 31, 2019 at 11:04 AM Kotresh Hiremath Ravishankar <
>>>> khiremat at redhat.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> This looks like the hang because stderr buffer filled up with errors
>>>>> messages and no one reading it.
>>>>> I think this issue is fixed in latest releases. As a workaround, you
>>>>> can do following and check if it works.
>>>>>
>>>>> Prerequisite:
>>>>>  rsync version should be > 3.1.0
>>>>>
>>>>> Workaround:
>>>>> gluster volume geo-replication <MASTERVOL> <SLAVEHOST>::<SLAVEVOL>
>>>>> config rsync-options "--ignore-missing-args"
>>>>>
>>>>> Thanks,
>>>>> Kotresh HR
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Thu, May 30, 2019 at 5:39 PM deepu srinivasan <sdeepugd at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi
>>>>>> We were evaluating Gluster geo Replication between two DCs one is in
>>>>>> US west and one is in US east. We took multiple trials for different file
>>>>>> size.
>>>>>> The Geo Replication tends to stop replicating but while checking the
>>>>>> status it appears to be in Active state. But the slave volume did not
>>>>>> increase in size.
>>>>>> So we have restarted the geo-replication session and checked the
>>>>>> status. The status was in an active state and it was in History Crawl for a
>>>>>> long time. We have enabled the DEBUG mode in logging and checked for any
>>>>>> error.
>>>>>> There was around 2000 file appeared for syncing candidate. The Rsync
>>>>>> process starts but the rsync did not happen in the slave volume. Every time
>>>>>> the rsync process appears in the "ps auxxx" list but the replication did
>>>>>> not happen in the slave end. What would be the cause of this problem? Is
>>>>>> there anyway to debug it?
>>>>>>
>>>>>> We have also checked the strace of the rync program.
>>>>>> it displays something like this
>>>>>>
>>>>>> "write(2, "rsync: link_stat \"/tmp/gsyncd-au"..., 128"
>>>>>>
>>>>>>
>>>>>> We are using the below specs
>>>>>>
>>>>>> Gluster version - 4.1.7
>>>>>> Sync mode - rsync
>>>>>> Volume - 1x3 in each end (master and slave)
>>>>>> Intranet Bandwidth - 10 Gig
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Thanks and Regards,
>>>>> Kotresh H R
>>>>>
>>>>
>>
>> --
>> Thanks and Regards,
>> Kotresh H R
>>
>

-- 
Thanks and Regards,
Kotresh H R
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