Am 21.04.2015 um 16:09 schrieb Maikel vd Mosselaar: > Hi Fred, > > > This is one of the nodes from yesterday around 01:00 (20-04-15). The > issue started around 01:00. > https://bpaste.net/raw/67542540a106 > > The VDSM logs are very big so i am unable to paste a bigger part of the > logfile, i don't know what the maximum allowed attachment size is of the > mailing list? > > dmesg on the one the nodes (despite this message the storage is still > accessible): > https://bpaste.net/raw/67da167aa300 > Flaky Network? NFS / Lockd Processes saturated @ Nexenta?
> > > Kind regards, > > Maikel > > On 04/21/2015 02:32 PM, Fred Rolland wrote: >> Hi, >> >> Can you please attach VDSM logs ? >> >> Thanks, >> >> Fred >> >> ----- Original Message ----- >>> From: "Maikel vd Mosselaar" <[email protected]> >>> To: [email protected] >>> Sent: Monday, April 20, 2015 3:25:38 PM >>> Subject: [ovirt-users] storage issue's with oVirt 3.5.1 + Nexenta NFS >>> >>> Hi, >>> >>> We are running ovirt 3.5.1 with 3 nodes and seperate engine. >>> >>> All on CentOS 6.6: >>> 3 x nodes >>> 1 x engine >>> >>> 1 x storage nexenta with NFS >>> >>> For multiple weeks we are experiencing issues of our nodes that cannot >>> access the storage at random moments (atleast thats what the nodes >>> think). >>> >>> When the nodes are complaining about a unavailable storage then the load >>> rises up to +200 on all three nodes, this causes that all running VMs >>> are unaccessible. During this process oVirt event viewer shows some i/o >>> storage error messages, when this happens random VMs get paused and will >>> not be resumed anymore (this almost happens every time but not all the >>> VMs get paused). >>> >>> During the event we tested the accessibility from the nodes to the >>> storage and it looks like it is working normal, at least we can do a >>> normal >>> "ls" on the storage without any delay of showing the contents. >>> >>> We tried multiple things that we thought it causes this issue but >>> nothing worked so far. >>> * rebooting storage / nodes / engine. >>> * disabling offsite rsync backups. >>> * moved the biggest VMs with highest load to different platform outside >>> of oVirt. >>> * checked the wsize and rsize on the nfs mounts, storage and nodes are >>> correct according to the "NFS troubleshooting page" on ovirt.org. >>> >>> The environment is running in production so we are not free to test >>> everything. >>> >>> I can provide log files if needed. >>> >>> Kind Regards, >>> >>> Maikel >>> >>> >>> _______________________________________________ >>> Users mailing list >>> [email protected] >>> http://lists.ovirt.org/mailman/listinfo/users >>> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.ovirt.org/mailman/listinfo/users > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
