[ovirt-users] ovirt 3.6.6 and gluster 3.7.13
Scott
romracer at gmail.com
Thu Jul 21 19:17:02 UTC 2016
You change the cache mode using a custom property per-VM I believe. I
don't know if this would work for the hosted engine.
I've already downgraded my system, but once you have the test machine up,
perhaps you can try it. The custom property would be:
viodiskcache=writethrough
or
viodiskcache=writeback
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Virtual_Machine_Management_Guide/appe-Reference_Settings_in_Administration_Portal_and_User_Portal_Windows.html#Virtual_Machine_Custom_Properties_settings_explained
Scott
On Thu, Jul 21, 2016 at 12:53 PM David Gossage <dgossage at carouselchecks.com>
wrote:
> On Thu, Jul 21, 2016 at 11:47 AM, Scott <romracer at gmail.com> wrote:
>
>> Hi David,
>>
>> My backend storage is ZFS.
>>
>> I thought about moving from FUSE to NFS mounts for my Gluster volumes to
>> help test. But since I use hosted engine this would be a real pain. Its
>> difficult to modify the storage domain type/path in the
>> hosted-engine.conf. And I don't want to go through the process of
>> re-deploying hosted engine.
>>
>>
> I found this
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1347553
>
> Not sure if related.
>
> But I also have zfs backend, another user in gluster mailing list had
> issues and used zfs backend although she used proxmox and got it working by
> changing disk to writeback cache I think it was.
>
> I also use hosted engine, but I run my gluster volume for HE actually on a
> LVM separate from zfs on xfs and if i recall it did not have the issues my
> gluster on zfs did. I'm wondering now if the issue was zfs settings.
>
> Hopefully should have a test machone up soon I can play around with more.
>
> Scott
>>
>> On Thu, Jul 21, 2016 at 11:36 AM David Gossage <
>> dgossage at carouselchecks.com> wrote:
>>
>>> What back end storage do you run gluster on? xfs/zfs/ext4 etc?
>>>
>>> *David Gossage*
>>> *Carousel Checks Inc. | System Administrator*
>>> *Office* 708.613.2284
>>>
>>> On Thu, Jul 21, 2016 at 8:18 AM, Scott <romracer at gmail.com> wrote:
>>>
>>>> I get similar problems with oVirt 4.0.1 and hosted engine. After
>>>> upgrading all my hosts to Gluster 3.7.13 (client and server), I get the
>>>> following:
>>>>
>>>> $ sudo hosted-engine --set-maintenance --mode=none
>>>> Traceback (most recent call last):
>>>> File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main
>>>> "__main__", fname, loader, pkg_name)
>>>> File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code
>>>> exec code in run_globals
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py",
>>>> line 73, in <module>
>>>> if not maintenance.set_mode(sys.argv[1]):
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py",
>>>> line 61, in set_mode
>>>> value=m_global,
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",
>>>> line 259, in set_maintenance_mode
>>>> str(value))
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",
>>>> line 204, in set_global_md_flag
>>>> all_stats = broker.get_stats_from_storage(service)
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",
>>>> line 232, in get_stats_from_storage
>>>> result = self._checked_communicate(request)
>>>> File
>>>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",
>>>> line 260, in _checked_communicate
>>>> .format(message or response))
>>>> ovirt_hosted_engine_ha.lib.exceptions.RequestError: Request failed:
>>>> failed to read metadata: [Errno 1] Operation not permitted
>>>>
>>>> If I only upgrade one host, then things will continue to work but my
>>>> nodes are constantly healing shards. My logs are also flooded with:
>>>>
>>>> [2016-07-21 13:15:14.137734] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274714: READ => -1 gfid=4
>>>> 41f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0041d0 (Operation not
>>>> permitted)
>>>> The message "W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-0: remote
>>>> operation failed [Operation not permitted]" repeated 6 times between
>>>> [2016-07-21 13:13:24.134985] and [2016-07-21 13:15:04.132226]
>>>> The message "W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-1: remote
>>>> operation failed [Operation not permitted]" repeated 8 times between
>>>> [2016-07-21 13:13:34.133116] and [2016-07-21 13:15:14.137178]
>>>> The message "W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-2: remote
>>>> operation failed [Operation not permitted]" repeated 7 times between
>>>> [2016-07-21 13:13:24.135071] and [2016-07-21 13:15:14.137666]
>>>> [2016-07-21 13:15:24.134647] W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-0: remote
>>>> operation failed [Operation not permitted]
>>>> [2016-07-21 13:15:24.134764] W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-2: remote
>>>> operation failed [Operation not permitted]
>>>> [2016-07-21 13:15:24.134793] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274741: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0038f4 (Operation not
>>>> permitted)
>>>> [2016-07-21 13:15:34.135413] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274756: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0041d0 (Operation not
>>>> permitted)
>>>> [2016-07-21 13:15:44.141062] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274818: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0038f4 (Operation not
>>>> permitted)
>>>> [2016-07-21 13:15:54.133582] W [MSGID: 114031]
>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-data-client-1: remote
>>>> operation failed [Operation not permitted]
>>>> [2016-07-21 13:15:54.133629] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274853: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0036d8 (Operation not
>>>> permitted)
>>>> [2016-07-21 13:16:04.133666] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274879: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0041d0 (Operation not
>>>> permitted)
>>>> [2016-07-21 13:16:14.134954] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>> 0-glusterfs-fuse: 274894: READ => -1
>>>> gfid=441f2789-f6b1-4918-a280-1b9905a11429 fd=0x7f19bc0036d8 (Operation not
>>>> permitted)
>>>>
>>>> Scott
>>>>
>>>>
>>>> On Thu, Jul 21, 2016 at 6:57 AM Frank Rothenstein <
>>>> f.rothenstein at bodden-kliniken.de> wrote:
>>>>
>>>>> Hey Devid,
>>>>>
>>>>> I have the very same problem on my test-cluster, despite on running
>>>>> ovirt 4.0.
>>>>> If you access your volumes via NFS all is fine, problem is FUSE. I
>>>>> stayed on 3.7.13, but have no solution yet, now I use NFS.
>>>>>
>>>>> Frank
>>>>>
>>>>> Am Donnerstag, den 21.07.2016, 04:28 -0500 schrieb David Gossage:
>>>>>
>>>>> Anyone running one of recent 3.6.x lines and gluster using 3.7.13? I
>>>>> am looking to upgrade gluster from 3.7.11->3.7.13 for some bug fixes, but
>>>>> have been told by users on gluster mail list due to some gluster changes
>>>>> I'd need to change the disk parameters to use writeback cache. Something
>>>>> to do with aio support being removed.
>>>>>
>>>>> I believe this could be done with custom parameters? But I believe
>>>>> strage tests are done using dd and would they fail with current settings
>>>>> then? Last upgrade to 3.7.13 I had to rollback to 3.7.11 due to stability
>>>>> isues where gluster storage would go into down state and always show N/A as
>>>>> space available/used. Even if hosts saw storage still and VM's were
>>>>> running on it on all 3 hosts.
>>>>>
>>>>> Saw a lot of messages like these that went away once gluster rollback
>>>>> finished
>>>>>
>>>>> [2016-07-09 15:27:46.935694] I [fuse-bridge.c:4083:fuse_init]
>>>>> 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.22 kernel
>>>>> 7.22
>>>>> [2016-07-09 15:27:49.555466] W [MSGID: 114031]
>>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-1: remote
>>>>> operation failed [Operation not permitted]
>>>>> [2016-07-09 15:27:49.556574] W [MSGID: 114031]
>>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-0: remote
>>>>> operation failed [Operation not permitted]
>>>>> [2016-07-09 15:27:49.556659] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>>> 0-glusterfs-fuse: 80: READ => -1 gfid=deb61291-5176-4b81-8315-3f1cf8e3534d
>>>>> fd=0x7f5224002f68 (Operation not permitted)
>>>>> [2016-07-09 15:27:59.612477] W [MSGID: 114031]
>>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-1: remote
>>>>> operation failed [Operation not permitted]
>>>>> [2016-07-09 15:27:59.613700] W [MSGID: 114031]
>>>>> [client-rpc-fops.c:3050:client3_3_readv_cbk] 0-GLUSTER1-client-0: remote
>>>>> operation failed [Operation not permitted]
>>>>> [2016-07-09 15:27:59.613781] W [fuse-bridge.c:2227:fuse_readv_cbk]
>>>>> 0-glusterfs-fuse: 168: READ => -1 gfid=deb61291-5176-4b81-8315-3f1cf8e3534d
>>>>> fd=0x7f5224002f68 (Operation not permitted)
>>>>>
>>>>> *David Gossage*
>>>>> *Carousel Checks Inc. | System Administrator*
>>>>> *Office* 708.613.2284
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing listUsers at ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
>>>>>
>>>>>
>>>>>
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