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> From: users-boun...@ovirt.org <users-boun...@ovirt.org> on behalf of
> Chris Adams <c...@cmadams.net>
> Sent: Tuesday, June 6, 2017 7:21 AM
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> ____
> From: users-boun...@ovirt.org <users-boun...@ovirt.org> on behalf of
> Chris Adams <c...@cmadams.net>
> Sent: Tuesday, June 6, 2017 7:21 AM
> To: users@ovirt.org
> Subject: Re: [o
Chris Adams
<c...@cmadams.net>
Sent: Tuesday, June 6, 2017 7:21 AM
To: users@ovirt.org
Subject: Re: [ovirt-users] Seamless SAN HA failovers with oVirt?
Once upon a time, Juan Pablo <pablo.localh...@gmail.com> said:
Chris, if you have active-active with multipath: you upgrade one system,
reb
From: users-boun...@ovirt.org <users-boun...@ovirt.org> on behalf of Chris
Adams <c...@cmadams.net>
Sent: Tuesday, June 6, 2017 7:21 AM
To: users@ovirt.org
Subject: Re: [ovirt-users] Seamless SAN HA failovers with oVirt?
Once upon a time, Juan Pablo <pablo.localh...@gmail.
Once upon a time, Juan Pablo said:
> Chris, if you have active-active with multipath: you upgrade one system,
> reboot it, check it came active again, then upgrade the other.
Yes, but that's still not how a TrueNAS (and most other low- to
mid-range SANs) works, so is
Chris, if you have active-active with multipath: you upgrade one system,
reboot it, check it came active again, then upgrade the other.
-seamless.
-no service interruption.
-not locked to any storage solution.
multipath was designed exactly for that.
2017-06-06 11:03 GMT-03:00 Chris Adams
Once upon a time, Juan Pablo said:
> Im saying you can do it with multipath and not rely on truenas/freenas.
> with an active/active configuration on the virt side...instead of
> active/passive on the storage side.
But there's still only one active system (the active
Im saying you can do it with multipath and not rely on truenas/freenas.
with an active/active configuration on the virt side...instead of
active/passive on the storage side.
2017-06-06 10:44 GMT-03:00 Chris Adams :
> Once upon a time, Juan Pablo
Once upon a time, Juan Pablo said:
> I think its not related to something on the trueNAS side. if you are using
> iscsi multipath you should be using round-robin
TrueNAS HA is active/standby, so multipath has nothing to do with
rebooting/upgrading a TrueNAS.
--
Chris
I think its not related to something on the trueNAS side. if you are using
iscsi multipath you should be using round-robin , if one of the paths goes
down you still have the other path with your information., so no sanlock .
unfortunately if you want iscsi mpath on ovirt, its prefered to edit the
Once upon a time, Sven Achtelik said:
> I was failing over by rebooting one of the TrueNas nodes and this took some
> time for the other node to take over. I was thinking about asking the TN guys
> if there is a command or procedure to speed up the failover.
That's the
Hi Matthew,
I'm also using a HA TrueNAS as the storage. I have NFS as well as iscsi shares
and did do some in place upgrade. The failover went more or less smooth, it was
more of an issue on the TrueNas side where the different vlans didn't come up.
This caused the engine to take down the
As soon as yous NAS goes down, qemu running the VMs will start getting EIO
errors and VMs will pause, so as to not lose any data. If the NAS upgrade
isn't a very long procedure, you might as well complete the updates, enable
the NAS, and unpause the VMs.
On Mon, Jun 5, 2017 at 5:47 PM, Matthew
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