Re: Enabling Halo sets volume RO

Mohammed Rafi K C <rkavunga@xxxxxxxxxx> · Wed, 8 Nov 2017 15:04:07 +0530



    I think the problem here is by default the quorum is playing
      around here, to get rid of this you can change quorum type as
      fixed and the value as 2 , or you can disable the quorum.
    

    Regards
    Rafi KC

    
    On 11/08/2017 04:03 AM, Jon Cope wrote:

    
        Hi
            all,
        

        I'm
            taking a stab at deploying a storage cluster to explore the
            Halo AFR feature and running into some trouble.  In GCE, I
            have 4 instances, each with one 10gb brick.  2 instances are
            in the US and the other 2 are in Asia (with the hope that it
            will drive up latency sufficiently).  The bricks make up a
            Replica-4 volume.  Before I enable halo, I can mount to
            volume and r/w files.
        

        The
            issue is when I set the `cluster.halo-enabled yes`, I can no
            longer write to the volume:

          
          [root@jcope-rhs-g2fn vol]# touch /mnt/vol/test1

        
        touch: setting times of ‘test1’: Read-only file system
        

        This
            can be fixed by turning halo off again.  While halo is
            enabled and writes return the above message, the mount still
            shows it to be r/w:

          
        [root@jcope-rhs-g2fn
              vol]# mount

            gce-node1:gv0 on /mnt/vol
              type fuse.glusterfs
(rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)

          
        Thanks
            in advace,

        
        -Jon
        

          Setup info
          CentOS Linux release
              7.4.1708 (Core)
          
            4 GCE Instances (2 US, 2 Asia)
            1 10gb Brick/Instance
            replica 4 volume
            

            Packages:
          
          
            glusterfs-client-xlators-3.12.1-2.el7.x86_64

              glusterfs-cli-3.12.1-2.el7.x86_64

              python2-gluster-3.12.1-2.el7.x86_64

              glusterfs-3.12.1-2.el7.x86_64

              glusterfs-api-3.12.1-2.el7.x86_64

              glusterfs-fuse-3.12.1-2.el7.x86_64

              glusterfs-server-3.12.1-2.el7.x86_64

              glusterfs-libs-3.12.1-2.el7.x86_64

              glusterfs-geo-replication-3.12.1-2.el7.x86_64
          
          
        Logs, beginning when halo is
                enabled:

            
          [2017-11-07
            22:20:15.029298] W [MSGID: 101095]
            [xlator.c:213:xlator_dynload] 0-xlator:
            /usr/lib64/glusterfs/3.12.1/xlator/nfs/server.so: cannot
            open shared object file: No such file or directory

            [2017-11-07 22:20:15.204241] W [MSGID: 101095]
            [xlator.c:162:xlator_volopt_dynload] 0-xlator:
            /usr/lib64/glusterfs/3.12.1/xlator/nfs/server.so: cannot
            open shared object file: No such file or directory

            [2017-11-07 22:20:15.232176] I [MSGID: 106600]
            [glusterd-nfs-svc.c:163:glusterd_nfssvc_reconfigure]
            0-management: nfs/server.so xlator is not installed

            [2017-11-07 22:20:15.235481] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            quotad already stopped

            [2017-11-07 22:20:15.235512] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            quotad service is stopped

            [2017-11-07 22:20:15.235572] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            bitd already stopped

            [2017-11-07 22:20:15.235585] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            bitd service is stopped

            [2017-11-07 22:20:15.235638] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            scrub already stopped

            [2017-11-07 22:20:15.235650] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            scrub service is stopped

            [2017-11-07 22:20:15.250297] I [run.c:190:runner_log]
            (-->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xde17a)
            [0x7fc23442117a]
            -->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xddc3d)
            [0x7fc234420c3d]
            -->/lib64/libglusterfs.so.0(runner_log+0x115)
            [0x7fc23f915da5] ) 0-management: Ran script: /var/lib

            /glusterd/hooks/1/set/post/S30samba-set.sh --volname=gv0 -o
            cluster.halo-enabled=yes --gd-workdir=/var/lib/glusterd

            [2017-11-07 22:20:15.255777] I [run.c:190:runner_log]
            (-->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xde17a)
            [0x7fc23442117a]
            -->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xddc3d)
            [0x7fc234420c3d]
            -->/lib64/libglusterfs.so.0(runner_log+0x115)
            [0x7fc23f915da5] ) 0-management: Ran script: /var/lib

/glusterd/hooks/1/set/post/S32gluster_enable_shared_storage.sh
            --volname=gv0 -o cluster.halo-enabled=yes
            --gd-workdir=/var/lib/glusterd

            [2017-11-07 22:20:47.420098] W [MSGID: 101095]
            [xlator.c:213:xlator_dynload] 0-xlator:
            /usr/lib64/glusterfs/3.12.1/xlator/nfs/server.so: cannot
            open shared object file: No such file or directory

            [2017-11-07 22:20:47.595960] W [MSGID: 101095]
            [xlator.c:162:xlator_volopt_dynload] 0-xlator:
            /usr/lib64/glusterfs/3.12.1/xlator/nfs/server.so: cannot
            open shared object file: No such file or directory

            [2017-11-07 22:20:47.631833] I [MSGID: 106600]
            [glusterd-nfs-svc.c:163:glusterd_nfssvc_reconfigure]
            0-management: nfs/server.so xlator is not installed

            [2017-11-07 22:20:47.635109] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            quotad already stopped

            [2017-11-07 22:20:47.635136] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            quotad service is stopped

            [2017-11-07 22:20:47.635201] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            bitd already stopped

            [2017-11-07 22:20:47.635216] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            bitd service is stopped

            [2017-11-07 22:20:47.635284] I [MSGID: 106132]
            [glusterd-proc-mgmt.c:83:glusterd_proc_stop] 0-management:
            scrub already stopped

            [2017-11-07 22:20:47.635297] I [MSGID: 106568]
            [glusterd-svc-mgmt.c:229:glusterd_svc_stop] 0-management:
            scrub service is stopped

            [2017-11-07 22:20:47.648524] I [run.c:190:runner_log]
            (-->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xde17a)
            [0x7fc23442117a]
            -->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xddc3d)
            [0x7fc234420c3d]
            -->/lib64/libglusterfs.so.0(runner_log+0x115)
            [0x7fc23f915da5] ) 0-management: Ran script: /var/lib

            /glusterd/hooks/1/set/post/S30samba-set.sh --volname=gv0 -o
            cluster.halo-max-latency=10 --gd-workdir=/var/lib/glusterd

            [2017-11-07 22:20:47.654091] I [run.c:190:runner_log]
            (-->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xde17a)
            [0x7fc23442117a]
            -->/usr/lib64/glusterfs/3.12.1/xlator/mgmt/glusterd.so(+0xddc3d)
            [0x7fc234420c3d]
            -->/lib64/libglusterfs.so.0(runner_log+0x115)
            [0x7fc23f915da5] ) 0-management: Ran script: /var/lib

/glusterd/hooks/1/set/post/S32gluster_enable_shared_storage.sh
            --volname=gv0 -o cluster.halo-max-latency=10
            --gd-workdir=/var/lib/glusterd
          

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