[Gluster-users] Geo Replication Failure: libgfchangelog.so: cannot open shared object file

Wed Aug 28 06:43:03 UTC 2019

Hi Andy,

Thanks for your reply, I actually fixed the issue – shared library wasn’t installed, so I reinstalled it.

I realize that the documentation for geo replication would need more information 😊

I will try a clean install on a new image and document it more precisely.

Thanks,

Cédric

De : Andy Coates <andy.coates at gmail.com>
Envoyé : mercredi 28 août 2019 05:18
À : ROUVRAIS Cedric ResgBscRscDef <cedric.rouvrais at socgen.com>
Cc : gluster-users at gluster.org
Objet : Re: [Gluster-users] Geo Replication Failure: libgfchangelog.so: cannot open shared object file

We saw this with 4.1.x RPM on OEL (can't recall which specific version and haven't checked if its fixed in later, at least up to 4.1.6), but the issue seemed to be it just wasn't symlinked for some reason, so we symlinked libgfchangelog.so to /lib64/libgfchangelog.so.0

Not sure if the python code is meant to ask for libgfchangelog.so.0 in the first place, or if the RPM is meant to symlink it post-install.  In 7.x the script seems to use a different method for finding it too.

Andy.

On Tue, 27 Aug 2019 at 04:21, ROUVRAIS Cedric ResgBscRscDef <cedric.rouvrais at socgen.com<mailto:cedric.rouvrais at socgen.com>> wrote:
Hello,

Having some slight difficulties with GeoReplication across 2 servers where the user is root on both sides: libgfchangelog.so: cannot open shared object file: No such file or directory

I get this error on the master node. I haven’t been able to get around it (I’ve deleted and recreated the configuration ex-nihilo a couple of time to no avail).

[2019-08-26 17:43:24.213577] I [gsyncdstatus(monitor):248:set_worker_status] GeorepStatus: Worker Status Change status=Initializing...
[2019-08-26 17:43:24.213959] I [monitor(monitor):157:monitor] Monitor: starting gsyncd worker   brick=/vol/gluster/fr/brick1/gv_master slave_node=srv_slave
[2019-08-26 17:43:24.259780] I [gsyncd(agent /vol/gluster/fr/brick1/gv_master):309:main] <top>: Using session config file      path=/var/lib/glusterd/geo-replication/gv_master_srv_slave_gv_slave/gsyncd.conf
[2019-08-26 17:43:24.261590] I [changelogagent(agent /vol/gluster/fr/brick1/gv_master):72:__init__] ChangelogAgent: Agent listining...
[2019-08-26 17:43:24.266072] I [gsyncd(worker /vol/gluster/fr/brick1/gv_master):309:main] <top>: Using session config file     path=/var/lib/glusterd/geo-replication/gv_master_srv_slave_gv_slave/gsyncd.conf
[2019-08-26 17:43:24.280029] I [resource(worker /vol/gluster/fr/brick1/gv_master):1379:connect_remote] SSH: Initializing SSH connection between master and slave...
[2019-08-26 17:43:25.749739] I [resource(worker /vol/gluster/fr/brick1/gv_master):1426:connect_remote] SSH: SSH connection between master and slave established.       duration=1.4696
[2019-08-26 17:43:25.749941] I [resource(worker /vol/gluster/fr/brick1/gv_master):1098:connect] GLUSTER: Mounting gluster volume locally...
[2019-08-26 17:43:26.824810] I [resource(worker /vol/gluster/fr/brick1/gv_master):1121:connect] GLUSTER: Mounted gluster volume        duration=1.0747
[2019-08-26 17:43:26.825088] I [subcmds(worker /vol/gluster/fr/brick1/gv_master):80:subcmd_worker] <top>: Worker spawn successful. Acknowledging back to monitor
[2019-08-26 17:43:26.888922] E [repce(agent /vol/gluster/fr/brick1/gv_master):122:worker] <top>: call failed:
Traceback (most recent call last):
  File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 118, in worker
    res = getattr(self.obj, rmeth)(*in_data[2:])
  File "/usr/libexec/glusterfs/python/syncdaemon/changelogagent.py", line 37, in init
    return Changes.cl_init()
  File "/usr/libexec/glusterfs/python/syncdaemon/changelogagent.py", line 21, in __getattr__
    from libgfchangelog import Changes as LChanges
  File "/usr/libexec/glusterfs/python/syncdaemon/libgfchangelog.py", line 18, in <module>
    class Changes(object):
 File "/usr/libexec/glusterfs/python/syncdaemon/libgfchangelog.py", line 20, in Changes
    use_errno=True)
  File "/usr/lib64/python2.7/ctypes/__init__.py", line 360, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: libgfchangelog.so: cannot open shared object file: No such file or directory

Thank you for any insight,

Cédric

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