Hi
We have Ovirt 3.65 with a Dell Equallogic SAN and we use Direct Luns for
all our VMs.
At the weekend during early hours an Equallogic controller failed over to
its standby on one of our arrays and this caused about 20 of our VMs to be
paused due to IO problems.
I have also noticed that this ha
Hi
We have Ovirt 3.65 with a Dell Equallogic SAN and we use Direct Luns for
all our VMs.
At the weekend during early hours an Equallogic controller failed over to
its standby on one of our arrays and this caused about 20 of our VMs to be
paused due to IO problems.
I have also noticed that this ha
> On 4 Oct 2016, at 09:51, Gary Lloyd wrote:
>
> Hi
>
> We have Ovirt 3.65 with a Dell Equallogic SAN and we use Direct Luns for all
> our VMs.
> At the weekend during early hours an Equallogic controller failed over to its
> standby on one of our arrays and this caused about 20 of our VMs to
On Tue, Oct 4, 2016 at 10:51 AM, Gary Lloyd wrote:
> Hi
>
> We have Ovirt 3.65 with a Dell Equallogic SAN and we use Direct Luns for
> all our VMs.
> At the weekend during early hours an Equallogic controller failed over to
> its standby on one of our arrays and this caused about 20 of our VMs to
On Tue, Oct 4, 2016 at 7:03 PM, Michal Skrivanek <
michal.skriva...@redhat.com> wrote:
>
> > On 4 Oct 2016, at 09:51, Gary Lloyd wrote:
> >
> > Hi
> >
> > We have Ovirt 3.65 with a Dell Equallogic SAN and we use Direct Luns for
> all our VMs.
> > At the weekend during early hours an Equallogic co
I asked on the Dell Storage Forum and they recommend the following:
*I recommend not using a numeric value for the "no_path_retry" variable
within /etc/multipath.conf as once that numeric value is reached, if no
healthy LUNs were discovered during that defined time multipath will
disable the I/O q
you need the eql hit kit to make it work at least somehow better, but
hit kit requires multipathd to be disabled which is an dependency to ovirt.
so far, no real workaround seems to be known
Am 06.10.2016 um 09:19 schrieb Gary Lloyd:
> I asked on the Dell Storage Forum and they recommend the foll
On Thu, Oct 6, 2016 at 10:19 AM, Gary Lloyd wrote:
> I asked on the Dell Storage Forum and they recommend the following:
>
> *I recommend not using a numeric value for the "no_path_retry" variable
> within /etc/multipath.conf as once that numeric value is reached, if no
> healthy LUNs were discov
>From the sounds of it the best we can do then is to use a 60 second timeout
on paths in multipathd.
The main reason we use Direct Lun is because we replicate /snapshot VMs
associated Luns at SAN level as a means of disaster recovery.
I have read a bit of documentation of how to backup virtual mac
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