I'm creating a  test box I can more thoroughly mess with so I can submit to bugzilla something.  Since my errors all popped up while trying to get ovirt and gluster functional again rather than thoroughly gather logs and test my data is kinda sketchy.  

David Gossage
Carousel Checks Inc. | System Administrator
Office 708.613.2284

On Thu, Jul 21, 2016 at 8:18 AM, Scott <romracer@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@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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