[Gluster-users] Geo-replication does not send filesystem changes

[Kotresh Hiremath Ravishankar]

The session is moved from "history crawl" to "changelog crawl". After this
point, there are no changelogs to be synced as per the logs.
Please checking in ".processing" directories if there are any pending
changelogs to be synced at
"/var/lib/misc/gluster/gsyncd/<session>/<brickpath>/.processing"
If there are no pending changelogs, then please check if the brick is up.

On Fri, Jul 5, 2019 at 5:29 PM Pasechny Alexey <Pasechny at iskrauraltel.ru>
wrote:

> Hi everyone,
>
> I have a problem with native geo-replication setup. It successfully
> starts, makes initial sync but does not send any filesystem data changes
> afterward.
> I'm using CentOS 7.6.1810 with official glusterfs-6.3-1.el7 build on top
> of ZFS on Linux.
> It is a single Master node with single brick and the same Slave node.
>
> # "gluster vol geo-rep status" command gives the following output
>  MASTER NODE = gfs-alfa1
>  MASTER VOL = cicd
>  MASTER BRICK = /zdata/cicd/brick
>  SLAVE USER = root
>  SLAVE = gfs-alfa2::cicd
>  SLAVE NODE = gfs-alfa2
>  STATUS = Active
>  CRAWL STATUS = Changelog Crawl
>  LAST_SYNCED = 2019-07-05 12:08:17
>  ENTRY = 0
>  DATA = 0
>  META = 0
>  FAILURES = 0
>  CHECKPOINT TIME = 2019-07-05 12:13:46
>  CHECKPOINT COMPLETED = No
>
> I enabled DEBUG level log for gsyncd.log but did not get any error
> messages from it. Full log is available here:
> https://pastebin.com/pXL4dBhZ
> On both brick I disabled ctime feature because it is incompatible with old
> versions of gfs clients, enabling this feature does not help too.
>
> # gluster volume info
>  Volume Name: cicd
>  Type: Distribute
>  Volume ID: 8f959a35-c7ab-4484-a1e8-9fa8e3a713b4
>  Status: Started
>  Snapshot Count: 0
>  Number of Bricks: 1
>  Transport-type: tcp
>  Bricks:
>  Brick1: gfs-alfa1:/zdata/cicd/brick
>  Options Reconfigured:
>  nfs.disable: on
>  transport.address-family: inet
>  features.ctime: off
>  geo-replication.indexing: on
>  geo-replication.ignore-pid-check: on
>  changelog.changelog: on
>
> # gluster volume get cicd rollover-time
> Option                                  Value
> ------                                  -----
> changelog.rollover-time                 15
>
> # gluster volume get cicd fsync-interval
> Option                                  Value
> ------                                  -----
> changelog.fsync-interval                5
>
> Could someone help me with debug of this geo-rep setup?
> Thank you!
>
> BR, Alexey
>
>
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-- 
Thanks and Regards,
Kotresh H R
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