[Gluster-users] Geo-Replication Issue

Tue Dec 9 12:46:03 UTC 2014

Hi Kotresh,

Yes, I believe that I am. Can you tell me which symlinks are missing/cause
geo-replication to fail to start? I can create them manually.

Thank you,
Dave

On Tue, Dec 9, 2014 at 3:54 AM, Kotresh Hiremath Ravishankar <
khiremat at redhat.com> wrote:

> Hi Dave,
>
> Are you hitting the below bug and so not able to sync symlinks ?
> https://bugzilla.redhat.com/show_bug.cgi?id=1105283
>
> Does geo-rep status say "Not Started" ?
>
> Thanks and Regards,
> Kotresh H R
>
> ----- Original Message -----
> From: "David Gibbons" <david.c.gibbons at gmail.com>
> To: "gluster-users" <Gluster-users at gluster.org>
> Cc: vnosov at stonefly.com
> Sent: Monday, December 8, 2014 7:03:31 PM
> Subject: Re: [Gluster-users] Geo-Replication Issue
>
> Apologies for sending so many messages about this! I think I may be
> running into this bug:
> https://bugzilla.redhat.com/show_bug.cgi?id=1105283
>
> Would someone be so kind as to let me know which symlinks are missing when
> this bug manifests, so that I can create them?
>
> Thank you,
> Dave
>
>
> On Sun, Dec 7, 2014 at 11:01 AM, David Gibbons < david.c.gibbons at gmail.com
> > wrote:
>
>
>
> Ok,
>
> I was able to get geo-replication configured by changing
> /usr/local/libexec/glusterfs/gverify.sh to use ssh to access the local
> machine, instead of accessing bash -c directly. I then found that the hook
> script was missing for geo-replication, so I copied that over manually. I
> now have what appears to be a "configured" geo-rep setup:
>
>
>
>
> # gluster volume geo-replication shares gfs-a-bkp::bkpshares status
>
>
>
>
> MASTER NODE MASTER VOL MASTER BRICK SLAVE STATUS CHECKPOINT STATUS CRAWL
> STATUS
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
> gfs-a-3 shares /mnt/a-3-shares-brick-1/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-3 shares /mnt/a-3-shares-brick-2/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-3 shares /mnt/a-3-shares-brick-3/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-3 shares /mnt/a-3-shares-brick-4/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-2 shares /mnt/a-2-shares-brick-1/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-2 shares /mnt/a-2-shares-brick-2/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-2 shares /mnt/a-2-shares-brick-3/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-2 shares /mnt/a-2-shares-brick-4/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-4 shares /mnt/a-4-shares-brick-1/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-4 shares /mnt/a-4-shares-brick-2/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-4 shares /mnt/a-4-shares-brick-3/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-4 shares /mnt/a-4-shares-brick-4/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-1 shares /mnt/a-1-shares-brick-1/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-1 shares /mnt/a-1-shares-brick-2/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-1 shares /mnt/a-1-shares-brick-3/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> gfs-a-1 shares /mnt/a-1-shares-brick-4/brick gfs-a-bkp::bkpshares Not
> Started N/A N/A
>
> So that's a step in the right direction (and I can upload a patch for
> gverify to a bugzilla). However, gverify *should* have worked with bash-c,
> and I was not able to figure out why it didn't work, other than it didn't
> seem able to find some programs. I'm thinking that maybe the PATH variable
> is wrong for Gluster, and that's why gverify didn't work out of the box.
>
> When I attempt to start geo-rep now, I get the following in the geo-rep
> log:
>
>
> [2014-12-07 10:52:40.893594] E
> [syncdutils(monitor):218:log_raise_exception] <top>: execution of "gluster"
> failed with ENOENT (No such file or directory)
>
> [2014-12-07 10:52:40.893886] I [syncdutils(monitor):192:finalize] <top>:
> exiting.
>
> Which seems to agree that maybe gluster isn't running with the same path
> variable that my console session is running with. Is this possible? I know
> I'm grasping :).
>
> Any nudge in the right direction would be very much appreciated!
>
> Cheers,
> Dave
>
>
> On Sat, Dec 6, 2014 at 10:06 AM, David Gibbons < david.c.gibbons at gmail.com
> > wrote:
>
>
>
> Good Morning,
>
> I am having some trouble getting geo-replication started on a 3.5.3 volume.
>
> I have verified that password-less SSH is functional in both directions
> from the backup gluster server, and all nodes in the production gluster. I
> have verified that all nodes in production and backup cluster are running
> the same version of gluster, and that name resolution works in both
> directions.
>
> When I attempt to start geo-replication with this command:
>
>
> gluster volume geo-replication shares gfs-a-bkp::bkpshares create push-pem
>
> I end up with the following in the logs:
>
>
> [2014-12-06 15:02:50.284426] E
> [glusterd-geo-rep.c:1889:glusterd_verify_slave] 0-: Not a valid slave
>
> [2014-12-06 15:02:50.284495] E
> [glusterd-geo-rep.c:2106:glusterd_op_stage_gsync_create] 0-:
> gfs-a-bkp::bkpshares is not a valid slave volume. Error: Unable to fetch
> master volume details. Please check the master cluster and master volume.
>
> [2014-12-06 15:02:50.284509] E [glusterd-syncop.c:912:gd_stage_op_phase]
> 0-management: Staging of operation 'Volume Geo-replication Create' failed
> on localhost : Unable to fetch master volume details. Please check the
> master cluster and master volume.
>
> Would someone be so kind as to point me in the right direction?
>
> Cheers,
> Dave
>
>
>
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