Resending to deal with possible email issues
---------- Forwarded message ---------
From: C Williams <cwilliams3...@gmail.com>
Date: Thu, Jun 18, 2020 at 2:07 PM
Subject: Re: [ovirt-users] Issues with Gluster Domain
To: Strahil Nikolov <hunter86...@yahoo.com>
More
[root@ov06 ~]# for i in $(gluster volume list); do echo $i;echo; gluster
volume info $i; echo;echo;gluster volume status $i;echo;echo;echo;done
images3
Volume Name: images3
Type: Replicate
Volume ID: 0243d439-1b29-47d0-ab39-d61c2f15ae8b
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x 3 = 3
Transport-type: tcp
Bricks:
Brick1: 192.168.24.18:/bricks/brick04/images3
Brick2: 192.168.24.19:/bricks/brick05/images3
Brick3: 192.168.24.20:/bricks/brick06/images3
Options Reconfigured:
performance.client-io-threads: on
nfs.disable: on
transport.address-family: inet
user.cifs: off
auth.allow: *
performance.quick-read: off
performance.read-ahead: off
performance.io-cache: off
performance.low-prio-threads: 32
network.remote-dio: off
cluster.eager-lock: enable
cluster.quorum-type: auto
cluster.server-quorum-type: server
cluster.data-self-heal-algorithm: full
cluster.locking-scheme: granular
cluster.shd-max-threads: 8
cluster.shd-wait-qlength: 10000
features.shard: on
cluster.choose-local: off
client.event-threads: 4
server.event-threads: 4
storage.owner-uid: 36
storage.owner-gid: 36
performance.strict-o-direct: on
network.ping-timeout: 30
cluster.granular-entry-heal: enable
Status of volume: images3
Gluster process TCP Port RDMA Port Online Pid
------------------------------------------------------------------------------
Brick 192.168.24.18:/bricks/brick04/images3 49152 0 Y
6666
Brick 192.168.24.19:/bricks/brick05/images3 49152 0 Y
6779
Brick 192.168.24.20:/bricks/brick06/images3 49152 0 Y
7227
Self-heal Daemon on localhost N/A N/A Y
6689
Self-heal Daemon on ov07.ntc.srcle.com N/A N/A Y
6802
Self-heal Daemon on ov08.ntc.srcle.com N/A N/A Y
7250
Task Status of Volume images3
------------------------------------------------------------------------------
There are no active volume tasks
[root@ov06 ~]# ls -l /rhev/data-center/mnt/glusterSD/
total 16
drwxr-xr-x. 5 vdsm kvm 8192 Jun 18 14:04 192.168.24.15:_images
drwxr-xr-x. 5 vdsm kvm 8192 Jun 18 14:05 192.168.24.18:_images3
[root@ov06 ~]#
On Thu, Jun 18, 2020 at 2:03 PM C Williams <cwilliams3...@gmail.com> wrote:
> Strahil,
>
> Here you go -- Thank You For Your Help !
>
> BTW -- I can write a test file to gluster and it replicates properly.
> Thinking something about the oVirt Storage Domain ?
>
> [root@ov08 ~]# gluster pool list
> UUID Hostname State
> 5b40c659-d9ab-43c3-9af8-18b074ea0b83 ov06 Connected
> 36ce5a00-6f65-4926-8438-696944ebadb5 ov07.ntc.srcle.com Connected
> c7e7abdb-a8f4-4842-924c-e227f0db1b29 localhost Connected
> [root@ov08 ~]# gluster volume list
> images3
>
> On Thu, Jun 18, 2020 at 1:13 PM Strahil Nikolov <hunter86...@yahoo.com>
> wrote:
>
>> Log to the oVirt cluster and provide the output of:
>> gluster pool list
>> gluster volume list
>> for i in $(gluster volume list); do echo $i;echo; gluster volume info
>> $i; echo;echo;gluster volume status $i;echo;echo;echo;done
>>
>> ls -l /rhev/data-center/mnt/glusterSD/
>>
>> Best Regards,
>> Strahil Nikolov
>>
>>
>> На 18 юни 2020 г. 19:17:46 GMT+03:00, C Williams <cwilliams3...@gmail.com>
>> написа:
>> >Hello,
>> >
>> >I recently added 6 hosts to an existing oVirt compute/gluster cluster.
>> >
>> >Prior to this attempted addition, my cluster had 3 Hypervisor hosts and
>> >3
>> >gluster bricks which made up a single gluster volume (replica 3 volume)
>> >. I
>> >added the additional hosts and made a brick on 3 of the new hosts and
>> >attempted to make a new replica 3 volume. I had difficulty creating
>> >the
>> >new volume. So, I decided that I would make a new compute/gluster
>> >cluster
>> >for each set of 3 new hosts.
>> >
>> >I removed the 6 new hosts from the existing oVirt Compute/Gluster
>> >Cluster
>> >leaving the 3 original hosts in place with their bricks. At that point
>> >my
>> >original bricks went down and came back up . The volume showed entries
>> >that
>> >needed healing. At that point I ran gluster volume heal images3 full,
>> >etc.
>> >The volume shows no unhealed entries. I also corrected some peer
>> >errors.
>> >
>> >However, I am unable to copy disks, move disks to another domain,
>> >export
>> >disks, etc. It appears that the engine cannot locate disks properly and
>> >I
>> >get storage I/O errors.
>> >
>> >I have detached and removed the oVirt Storage Domain. I reimported the
>> >domain and imported 2 VMs, But the VM disks exhibit the same behaviour
>> >and
>> >won't run from the hard disk.
>> >
>> >
>> >I get errors such as this
>> >
>> >VDSM ov05 command HSMGetAllTasksStatusesVDS failed: low level Image
>> >copy
>> >failed: ("Command ['/usr/bin/qemu-img', 'convert', '-p', '-t', 'none',
>> >'-T', 'none', '-f', 'raw',
>> >u'/rhev/data-center/mnt/glusterSD/192.168.24.18:
>> _images3/5fe3ad3f-2d21-404c-832e-4dc7318ca10d/images/3ea5afbd-0fe0-4c09-8d39-e556c66a8b3d/fe6eab63-3b22-4815-bfe6-4a0ade292510',
>> >'-O', 'raw',
>> >u'/rhev/data-center/mnt/192.168.24.13:
>> _stor_import1/1ab89386-a2ba-448b-90ab-bc816f55a328/images/f707a218-9db7-4e23-8bbd-9b12972012b6/d6591ec5-3ede-443d-bd40-93119ca7c7d5']
>> >failed with rc=1 out='' err=bytearray(b'qemu-img: error while reading
>> >sector 135168: Transport endpoint is not connected\\nqemu-img: error
>> >while
>> >reading sector 131072: Transport endpoint is not connected\\nqemu-img:
>> >error while reading sector 139264: Transport endpoint is not
>> >connected\\nqemu-img: error while reading sector 143360: Transport
>> >endpoint
>> >is not connected\\nqemu-img: error while reading sector 147456:
>> >Transport
>> >endpoint is not connected\\nqemu-img: error while reading sector
>> >155648:
>> >Transport endpoint is not connected\\nqemu-img: error while reading
>> >sector
>> >151552: Transport endpoint is not connected\\nqemu-img: error while
>> >reading
>> >sector 159744: Transport endpoint is not connected\\n')",)
>> >
>> >oVirt version is 4.3.82-1.el7
>> >OS CentOS Linux release 7.7.1908 (Core)
>> >
>> >The Gluster Cluster has been working very well until this incident.
>> >
>> >Please help.
>> >
>> >Thank You
>> >
>> >Charles Williams
>>
>
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