[ovirt-users] ovirt 3.6.6 and gluster 3.7.13

Karli Sjöberg karli.sjoberg at slu.se
Thu Jul 21 18:47:39 UTC 2016 

Den 21 jul 2016 8:39 em skrev Scott <romracer at gmail.com>:
>
> CentOS 7 for me as well, using the zfsonlinux.org packages.

Ok, so whatever problems there may be in those packages, at least you have them in common. That can also be a comfort:)

/K

>
> On Thu, Jul 21, 2016 at 1:26 PM David Gossage <dgossage at carouselchecks.com> wrote:
>>
>> On Thu, Jul 21, 2016 at 1:24 PM, Karli Sjöberg <karli.sjoberg at slu.se> wrote:
>>>
>>>
>>> Den 21 jul 2016 7:54 em skrev David Gossage <dgossage at carouselchecks.com>:
>>> >
>>> > 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.
>>>
>>> David and Scott,
>>>
>>> just out of curiousity, what is the OS under ZFS?
>>
>> Centos 7
>>
>>>
>>> /K
>>>
>>> >
>>> > 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
>>> >>>>>>
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