[Gluster-users] Upgrade to 4.1.2 geo-replication does not work

Kotresh Hiremath Ravishankar khiremat at redhat.com
Thu Aug 30 09:49:50 UTC 2018


On Thu, Aug 30, 2018 at 1:52 PM, Krishna Verma <kverma at cadence.com> wrote:

> Hi Kotresh,
>
>
>
> After fix the library link on node "noi-poc-gluster ", the status of one
> mater node is “Active” and another is “Passive”. Can I setup both the
> master as “Active” ?
>

Nope, since it's replica, it's redundant to sync same files from two nodes.
Both replicas can't be Active.


>
> Also, when I copy a 1GB size of file from gluster client to master gluster
> volume which is replicated with the slave volume, it tooks 35 minutes and
> 49 seconds. Is there any way to reduce its time taken to rsync data.
>

How did you measure this time? Does this include the time take for you to
write 1GB file to master?
There are two aspects to consider while measuring this.

1. Time to write 1GB to master
2. Time for geo-rep to transfer 1GB to slave.

In your case, since the setup is 1*2 and only one geo-rep worker is Active,
Step2 above equals to time for step1 + network transfer time.

You can measure time in two scenarios
1. If geo-rep is started while the data is still being written to master.
It's one way.
2. Or stop geo-rep until the 1GB file is written to master and then start
geo-rep to get actual geo-rep time.

To improve replicating speed,
1. You can play around with rsync options depending on the kind of I/O
    and configure the same for geo-rep as it also uses rsync internally.
2. It's better if gluster volume has more distribute count like  3*3 or 4*3
    It will help in two ways.
       1. The files gets distributed on master to multiple bricks
       2. So above will help geo-rep as files on multiple bricks are synced
in parallel (multiple Actives)

>
>
> NOTE: Gluster master server and one client is in Noida, India Location.
>
>              Gluster Slave server and one client is in USA.
>
>
>
> Our approach is to transfer data from Noida gluster client will reach to
> the USA gluster client in a minimum time. Please suggest the best approach
> to achieve it.
>
>
>
> [root at noi-dcops ~]# date ; rsync -avh --progress /tmp/gentoo_root.img
> /glusterfs/ ; date
>
> Thu Aug 30 12:26:26 IST 2018
>
> sending incremental file list
>
> gentoo_root.img
>
>           1.07G 100%  490.70kB/s    0:35:36 (xfr#1, to-chk=0/1)
>

Is this I/O time to write to master volume?

>
>
> sent 1.07G bytes  received 35 bytes  499.65K bytes/sec
>
> total size is 1.07G  speedup is 1.00
>
> Thu Aug 30 13:02:15 IST 2018
>
> [root at noi-dcops ~]#
>


>
>
>
>
> [root at gluster-poc-noida gluster]#  gluster volume geo-replication status
>
>
>
> MASTER NODE          MASTER VOL    MASTER BRICK         SLAVE USER
> SLAVE                              SLAVE NODE        STATUS     CRAWL
> STATUS       LAST_SYNCED
>
> ------------------------------------------------------------
> ------------------------------------------------------------
> ---------------------------------------------------
>
> gluster-poc-noida    glusterep     /data/gluster/gv0    root
> ssh://gluster-poc-sj::glusterep    gluster-poc-sj    Active     Changelog
> Crawl    2018-08-30 13:42:18
>
> noi-poc-gluster      glusterep     /data/gluster/gv0    root
> ssh://gluster-poc-sj::glusterep    gluster-poc-sj    Passive
> N/A                N/A
>
> [root at gluster-poc-noida gluster]#
>
>
>
> Thanks in advance for your all time support.
>
>
>
> /Krishna
>
>
>
> *From:* Kotresh Hiremath Ravishankar <khiremat at redhat.com>
> *Sent:* Thursday, August 30, 2018 10:51 AM
>
> *To:* Krishna Verma <kverma at cadence.com>
> *Cc:* Sunny Kumar <sunkumar at redhat.com>; Gluster Users <
> gluster-users at gluster.org>
> *Subject:* Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> work
>
>
>
> EXTERNAL MAIL
>
> Did you fix the library link on node "noi-poc-gluster " as well?
>
> If not please fix it. Please share the geo-rep log this node if it's
>
> as different issue.
>
> -Kotresh HR
>
>
>
> On Thu, Aug 30, 2018 at 12:17 AM, Krishna Verma <kverma at cadence.com>
> wrote:
>
> Hi Kotresh,
>
>
>
> Thank you so much for you input. Geo-replication is now showing “Active”
> atleast for 1 master node. But its still at faulty state for the 2nd
> master server.
>
>
>
> Below is the detail.
>
>
>
> [root at gluster-poc-noida glusterfs]# gluster volume geo-replication
> glusterep gluster-poc-sj::glusterep status
>
>
>
> MASTER NODE          MASTER VOL    MASTER BRICK         SLAVE USER
> SLAVE                        SLAVE NODE        STATUS    CRAWL STATUS
> LAST_SYNCED
>
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------------------------
>
> gluster-poc-noida    glusterep     /data/gluster/gv0    root
> gluster-poc-sj::glusterep    gluster-poc-sj    Active    Changelog Crawl
> 2018-08-29 23:56:06
>
> noi-poc-gluster      glusterep     /data/gluster/gv0    root
> gluster-poc-sj::glusterep    N/A               Faulty    N/A
> N/A
>
>
>
>
>
> [root at gluster-poc-noida glusterfs]# gluster volume status
>
> Status of volume: glusterep
>
> Gluster process                             TCP Port  RDMA Port  Online
> Pid
>
> ------------------------------------------------------------
> ------------------
>
> Brick gluster-poc-noida:/data/gluster/gv0   49152     0          Y
> 22463
>
> Brick noi-poc-gluster:/data/gluster/gv0     49152     0          Y
> 19471
>
> Self-heal Daemon on localhost               N/A       N/A        Y
> 32087
>
> Self-heal Daemon on noi-poc-gluster         N/A       N/A        Y
> 6272
>
>
>
> Task Status of Volume glusterep
>
> ------------------------------------------------------------
> ------------------
>
> There are no active volume tasks
>
>
>
>
>
>
>
> [root at gluster-poc-noida glusterfs]# gluster volume info
>
>
>
> Volume Name: glusterep
>
> Type: Replicate
>
> Volume ID: 4a71bc94-14ce-4b2c-abc4-e6a9a9765161
>
> Status: Started
>
> Snapshot Count: 0
>
> Number of Bricks: 1 x 2 = 2
>
> Transport-type: tcp
>
> Bricks:
>
> Brick1: gluster-poc-noida:/data/gluster/gv0
>
> Brick2: noi-poc-gluster:/data/gluster/gv0
>
> Options Reconfigured:
>
> transport.address-family: inet
>
> nfs.disable: on
>
> performance.client-io-threads: off
>
> geo-replication.indexing: on
>
> geo-replication.ignore-pid-check: on
>
> changelog.changelog: on
>
> [root at gluster-poc-noida glusterfs]#
>
>
>
> Could you please help me in that also please?
>
>
>
> It would be really a great help from your side.
>
>
>
> /Krishna
>
> *From:* Kotresh Hiremath Ravishankar <khiremat at redhat.com>
> *Sent:* Wednesday, August 29, 2018 10:47 AM
>
>
> *To:* Krishna Verma <kverma at cadence.com>
> *Cc:* Sunny Kumar <sunkumar at redhat.com>; Gluster Users <
> gluster-users at gluster.org>
> *Subject:* Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> work
>
>
>
> EXTERNAL MAIL
>
> Answer inline
>
>
>
> On Tue, Aug 28, 2018 at 4:28 PM, Krishna Verma <kverma at cadence.com> wrote:
>
> Hi Kotresh,
>
>
>
> I created the links before. Below is the detail.
>
>
>
> [root at gluster-poc-noida ~]# ls -l /usr/lib64 | grep libgfch
>
> lrwxrwxrwx   1 root root          30 Aug 28 14:59 libgfchangelog.so ->
> /usr/lib64/libgfchangelog.so.1
>
>
>
> The link created is pointing to wrong library. Please fix this
>
>
>
> #cd /usr/lib64
>
> #rm libgfchangelog.so
>
> #ln -s "libgfchangelog.so.0.0.1" libgfchangelog.so
>
>
>
> lrwxrwxrwx   1 root root          23 Aug 23 23:35 libgfchangelog.so.0 ->
> libgfchangelog.so.0.0.1
>
> -rwxr-xr-x   1 root root       63384 Jul 24 19:11 libgfchangelog.so.0.0.1
>
> [root at gluster-poc-noida ~]# locate libgfchangelog.so
>
> /usr/lib64/libgfchangelog.so.0
>
> /usr/lib64/libgfchangelog.so.0.0.1
>
> [root at gluster-poc-noida ~]#
>
>
>
> Is it looks good what we exactly need or di I need to create any more link
> or How to get “libgfchangelog.so” file if missing.
>
>
>
> /Krishna
>
>
>
> *From:* Kotresh Hiremath Ravishankar <khiremat at redhat.com>
> *Sent:* Tuesday, August 28, 2018 4:22 PM
> *To:* Krishna Verma <kverma at cadence.com>
> *Cc:* Sunny Kumar <sunkumar at redhat.com>; Gluster Users <
> gluster-users at gluster.org>
>
>
> *Subject:* Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> work
>
>
>
> EXTERNAL MAIL
>
> Hi Krishna,
>
> As per the output shared, I don't see the file "libgfchangelog.so" which
> is what is required.
>
> I only see "libgfchangelog.so.0". Please confirm "libgfchangelog.so" is
> present in "/usr/lib64/".
>
> If not create a symlink similar to "libgfchangelog.so.0"
>
>
>
> It should be something like below.
>
>
>
> #ls -l /usr/lib64 | grep libgfch
> -rwxr-xr-x. 1 root root    1078 Aug 28 05:56 libgfchangelog.la
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__libgfchangelog.la&d=DwMFaQ&c=aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ-_haXqY&r=0E5nRoxLsT2ZXgCpJM_6ZItAWQ2jH8rVLG6tiXhoLFE&m=77GIqpHy9HY8RQd6lKzSJ-Z1PCuIhZJ3I3IvIuDX-xo&s=kIFnrBaSFV_DdqZezd6PXcDnD8Iy_gVN69ETZYtykEE&e=>
> lrwxrwxrwx. 1 root root      23 Aug 28 05:56 libgfchangelog.so ->
> libgfchangelog.so.0.0.1
> lrwxrwxrwx. 1 root root      23 Aug 28 05:56 libgfchangelog.so.0 ->
> libgfchangelog.so.0.0.1
> -rwxr-xr-x. 1 root root  336888 Aug 28 05:56 libgfchangelog.so.0.0.1
>
>
>
> On Tue, Aug 28, 2018 at 4:04 PM, Krishna Verma <kverma at cadence.com> wrote:
>
> Hi Kotresh,
>
>
>
> Thanks for the response, I did that also but nothing changed.
>
>
>
> [root at gluster-poc-noida ~]# ldconfig /usr/lib64
>
> [root at gluster-poc-noida ~]# ldconfig -p | grep libgfchangelog
>
>         libgfchangelog.so.0 (libc6,x86-64) =>
> /usr/lib64/libgfchangelog.so.0
>
> [root at gluster-poc-noida ~]#
>
>
>
> [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep stop
>
> Stopping geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
>
> [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep start
>
> Starting geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
>
>
>
> [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep status
>
>
>
> MASTER NODE          MASTER VOL    MASTER BRICK         SLAVE USER
> SLAVE                        SLAVE NODE    STATUS    CRAWL STATUS
> LAST_SYNCED
>
> ------------------------------------------------------------
> ------------------------------------------------------------
> -----------------------------
>
> gluster-poc-noida    glusterep     /data/gluster/gv0    root
> gluster-poc-sj::glusterep    N/A           Faulty    N/A             N/A
>
> noi-poc-gluster      glusterep     /data/gluster/gv0    root
>        gluster-poc-sj::glusterep    N/A           Faulty
> N/A             N/A
>
> [root at gluster-poc-noida ~]#
>
>
>
> /Krishna
>
>
>
> *From:* Kotresh Hiremath Ravishankar <khiremat at redhat.com>
> *Sent:* Tuesday, August 28, 2018 4:00 PM
> *To:* Sunny Kumar <sunkumar at redhat.com>
> *Cc:* Krishna Verma <kverma at cadence.com>; Gluster Users <
> gluster-users at gluster.org>
>
>
> *Subject:* Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> work
>
>
>
> EXTERNAL MAIL
>
> Hi Krishna,
>
> Since your libraries are in /usr/lib64, you should be doing
>
> #ldconfig /usr/lib64
>
> Confirm that below command lists the library
>
> #ldconfig -p | grep libgfchangelog
>
>
>
>
>
> On Tue, Aug 28, 2018 at 3:52 PM, Sunny Kumar <sunkumar at redhat.com> wrote:
>
> can you do ldconfig /usr/local/lib and share the output of ldconfig -p
> /usr/local/lib | grep libgf
>
> On Tue, Aug 28, 2018 at 3:45 PM Krishna Verma <kverma at cadence.com> wrote:
> >
> > Hi Sunny,
> >
> > I did the mentioned changes given in patch and restart the session for
> geo-replication. But again same errors in the logs.
> >
> > I have attaching the config files and logs here.
> >
> >
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep stop
> > Stopping geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep delete
> > Deleting geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep create push-pem force
> > Creating geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep start
> > geo-replication start failed for glusterep gluster-poc-sj::glusterep
> > geo-replication command failed
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep start
> > geo-replication start failed for glusterep gluster-poc-sj::glusterep
> > geo-replication command failed
> > [root at gluster-poc-noida ~]# vim /usr/libexec/glusterfs/python/
> syncdaemon/repce.py
> > [root at gluster-poc-noida ~]# systemctl restart glusterd
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep start
> > Starting geo-replication session between glusterep &
> gluster-poc-sj::glusterep has been successful
> > [root at gluster-poc-noida ~]# gluster volume geo-replication glusterep
> gluster-poc-sj::glusterep status
> >
> > MASTER NODE          MASTER VOL    MASTER BRICK         SLAVE USER
> SLAVE                        SLAVE NODE    STATUS    CRAWL STATUS
> LAST_SYNCED
> > ------------------------------------------------------------
> ------------------------------------------------------------
> -----------------------------
> > gluster-poc-noida    glusterep     /data/gluster/gv0    root
> gluster-poc-sj::glusterep    N/A           Faulty    N/A             N/A
> > noi-poc-gluster      glusterep     /data/gluster/gv0    root
> gluster-poc-sj::glusterep    N/A           Faulty    N/A             N/A
> > [root at gluster-poc-noida ~]#
> >
> >
> > /Krishna.
> >
> > -----Original Message-----
> > From: Sunny Kumar <sunkumar at redhat.com>
> > Sent: Tuesday, August 28, 2018 3:17 PM
> > To: Krishna Verma <kverma at cadence.com>
> > Cc: gluster-users at gluster.org
> > Subject: Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> work
> >
> > EXTERNAL MAIL
> >
> >
> > With same log message ?
> >
> > Can you please verify that
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__review.
> gluster.org_-23_c_glusterfs_-2B_20207_&d=DwIBaQ&c=
> aUq983L2pue2FqKFoP6PGHMJQyoJ7kl3s3GZ-_haXqY&r=0E5nRoxLsT2ZXgCpJM_
> 6ZItAWQ2jH8rVLG6tiXhoLFE&m=F0ExtFUfa_YCktOGvy82x3IAxvi2GrbPR72jZ8beuYk&s=
> fGtkmezHJj5YoLN3dUeVUCcYFnREHyOSk36mRjbTTEQ&e= patch is present if not
> can you please apply that.
> > and try with symlinking ln -s /usr/lib64/libgfchangelog.so.0
> /usr/lib64/libgfchangelog.so.
> >
> > Please share the log also.
> >
> > Regards,
> > Sunny
> > On Tue, Aug 28, 2018 at 3:02 PM Krishna Verma <kverma at cadence.com>
> wrote:
> > >
> > > Hi Sunny,
> > >
> > > Thanks for your response, I tried both, but still I am getting the
> same error.
> > >
> > >
> > > [root at noi-poc-gluster ~]# ldconfig /usr/lib [root at noi-poc-gluster ~]#
> > >
> > > [root at noi-poc-gluster ~]# ln -s /usr/lib64/libgfchangelog.so.1
> > > /usr/lib64/libgfchangelog.so [root at noi-poc-gluster ~]# ls -l
> > > /usr/lib64/libgfchangelog.so lrwxrwxrwx. 1 root root 30 Aug 28 14:59
> > > /usr/lib64/libgfchangelog.so -> /usr/lib64/libgfchangelog.so.1
> > >
> > > /Krishna
> > >
> > > -----Original Message-----
> > > From: Sunny Kumar <sunkumar at redhat.com>
> > > Sent: Tuesday, August 28, 2018 2:55 PM
> > > To: Krishna Verma <kverma at cadence.com>
> > > Cc: gluster-users at gluster.org
> > > Subject: Re: [Gluster-users] Upgrade to 4.1.2 geo-replication does not
> > > work
> > >
> > > EXTERNAL MAIL
> > >
> > >
> > > Hi Krish,
> > >
> > > You can run -
> > > #ldconfig /usr/lib
> > >
> > > If that still does not solves your problem you can do manual symlink
> > > like - ln -s /usr/lib64/libgfchangelog.so.1
> > > /usr/lib64/libgfchangelog.so
> > >
> > > Thanks,
> > > Sunny Kumar
> > > On Tue, Aug 28, 2018 at 1:47 PM Krishna Verma <kverma at cadence.com>
> wrote:
> > > >
> > > > Hi
> > > >
> > > >
> > > >
> > > > I am getting below error in gsyncd.log
> > > >
> > > >
> > > >
> > > > OSError: libgfchangelog.so: cannot open shared object file: No such
> > > > file or directory
> > > >
> > > > [2018-08-28 07:19:41.446785] E [repce(worker
> /data/gluster/gv0):197:__call__] RepceClient: call failed
>  call=26469:139794524604224:1535440781.44        method=init
>  error=OSError
> > > >
> > > > [2018-08-28 07:19:41.447041] E [syncdutils(worker
> /data/gluster/gv0):330:log_raise_exception] <top>: FAIL:
> > > >
> > > > Traceback (most recent call last):
> > > >
> > > >   File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line
> > > > 311, in main
> > > >
> > > >     func(args)
> > > >
> > > >   File "/usr/libexec/glusterfs/python/syncdaemon/subcmds.py", line
> > > > 72, in subcmd_worker
> > > >
> > > >     local.service_loop(remote)
> > > >
> > > >   File "/usr/libexec/glusterfs/python/syncdaemon/resource.py", line
> > > > 1236, in service_loop
> > > >
> > > >     changelog_agent.init()
> > > >
> > > >   File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line
> > > > 216, in __call__
> > > >
> > > >     return self.ins(self.meth, *a)
> > > >
> > > >   File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line
> > > > 198, in __call__
> > > >
> > > >     raise res
> > > >
> > > > OSError: libgfchangelog.so: cannot open shared object file: No such
> > > > file or directory
> > > >
> > > > [2018-08-28 07:19:41.457555] I [repce(agent
> /data/gluster/gv0):80:service_loop] RepceServer: terminating on reaching
> EOF.
> > > >
> > > > [2018-08-28 07:19:42.440184] I [monitor(monitor):272:monitor]
> Monitor:
> > > > worker died in startup phase  brick=/data/gluster/gv0
> > > >
> > > >
> > > >
> > > > Below is my file location:
> > > >
> > > >
> > > >
> > > > /usr/lib64/libgfchangelog.so.0
> > > >
> > > > /usr/lib64/libgfchangelog.so.0.0.1
> > > >
> > > >
> > > >
> > > > What I can do to fix it ?
> > > >
> > > >
> > > >
> > > > /Krish
> > > >
> > > > _______________________________________________
> > > > Gluster-users mailing list
> > > > Gluster-users at gluster.org
> > > > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.gluster.o
> > > > rg
> > > > _mailman_listinfo_gluster-2Dusers&d=DwIBaQ&c=aUq983L2pue2FqKFoP6PGHM
> > > > JQ
> > > > yoJ7kl3s3GZ-_haXqY&r=0E5nRoxLsT2ZXgCpJM_6ZItAWQ2jH8rVLG6tiXhoLFE&m=_
> > > > u6
> > > > vGRjlVsype7Z8hXDgCONilqVe4sIWkXNqqz2n3IQ&s=i0EUwtUHurhJHyw9UPpepCdLB
> > > > 70
> > > > 1mkxoNZWYvU7XXug&e=
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> Thanks and Regards,
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> Kotresh H R
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> Thanks and Regards,
>
> Kotresh H R
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> Thanks and Regards,
>
> Kotresh H R
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> --
>
> Thanks and Regards,
>
> Kotresh H R
>



-- 
Thanks and Regards,
Kotresh H R
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