[Users] Storage unresponsive after sanlock

[Trey Dockendorf]

I setup my first oVirt instance since 3.0 a few days ago and it went
very well, and I left the single host cluster running with 1 VM over
the weekend.  Today I come back and the primary data storage is marked
as unresponsive.  The logs are full of entries [1] that look very
similar to a knowledge base article on RHEL's website [2].

This setup is using NFS over RDMA and so far the ib interfaces report
no errors (via `ibcheckerrs -v <LID> 1`).  Based on a doc on ovirt
site [3] it seems this could be due to response problems.  The storage
system is a new purchase and not yet in production so if there's any
advice on how to track down the cause that would be very helpful.
Please let me know what additional information would be helpful as
it's been about a year since I've been active in the oVirt community.

Thanks
- Trey

[1]: http://pastebin.com/yRpSLKxJ

[2]: https://access.redhat.com/site/solutions/400463

[3]: http://www.ovirt.org/SANLock