[ovirt-users] oVirt 3.5: Issue with FC Storage on EL7 host

[The Austrian]

Just a heads up I ran into an issue with adding a Fibre Channel storage
domain on a CentOS 7 host.

vdsm-4.16.7-1.gitdb83943.el7.x86_64 from oVirt 3.5 Release repo

This version of vdsm still has the code in /usr/share/vdsm/storage/hba.py
that performs issue_lip to rescan fibre channel HBAs.  In my setup, the HBA
paths are still recovering when 'dmsetup status' is run resulting in paths
being offline and the LUNs being made unavailable to oVirt (UI shows
exclamation mark).

Issue discussed here: https://bugzilla.redhat.com/show_bug.cgi?id=1159839

Quick workaround that worked for me:

(1) Comment line 107 in /usr/share/vdsm/storage/multipath.py i.e.:

#supervdsm.getProxy().hbaRescan()

(2) Restart supervdsmd

systemctl restart supervdsmd.service

Regards
Paul
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