[ovirt-users] [HA] Restart guest on other node on network SAN problem

[Markus Stockhausen]

> Von: users-bounces at ovirt.org [users-bounces at ovirt.org]" im Auftrag von "Lionel Caignec [caignec at cines.fr]
> Gesendet: Montag, 14. September 2015 15:47
> An: users at ovirt.org
> Betreff: [ovirt-users] [HA] Restart guest on other node on network SAN  problem
> 
> Hi,
> 
> i've ovirt nodes connected to a data network (provide disk for guest) with 10Gb networking.
> Recently i face a problem : one of my node have lost connectivity to the SAN.
> So ovirt put all guest in "Pause" state, but when connectivity came back ovirt did not restart the Guest.
> 
> So my question : is it possible on "disk connectivity lost" on one node, to restart guest on other node (HA features). Or at least auto resume guest when "disk connectivity" came back.

IIRC there are several scenarios where qemu cannot recover
from failed storage connectivity. E.g. a recent discussion on
the qemu mailing list:

http://lists.nongnu.org/archive/html/qemu-stable/2015-09/msg00009.html

Markus

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