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Hello Gary and Nir,
On Sat Jul 5 23:22:13 2014, Nir Soffer wrote:
----- Original Message -----
> From: "Gary Lloyd" <g.lloyd(a)keele.ac.uk>
> To: users(a)ovirt.org
> Sent: Tuesday, July 1, 2014 4:56:18 PM
> Subject: Re: [ovirt-users] oVirt 3.5.0 Beta is now available for testi=
ng
>
> Hi
>
> I was just wondering how multipath iscsi is handled in 3.5. In 3.4 the=
re is
a
> button on the web interface under the data center tab that could
be us=
ed to
> configure multipathing for storage domains but not direct luns.
> This seems to be missing in 3.5 Beta from what i can tell.
If this is not available in 3.4, it will also not be in 3.5 - nobody wo=
rked
on such feature in 3.5.
> We are particularly interested if multipathing will work with direct l=
un, as
> we have to keep bodging custom changes into the vdsm python with
each =
new
> version. (We currently use EqualLogic).
The best way to avoid customizing vdsm is to get your patches merged up=
stream.
Do you want to describe what are you trying to do, and how do you modif=
y
vdsm?
I've had similar issues with Equallogic, as Gary has described earlier=20
here:=20
https://sites.google.com/a/keele.ac.uk/partlycloudy/ovirt/gettingovirttow=
orkwithdellequallogic.
I've used his patch as a baseline (thanks for the original effort,=20
Gary!) with some minor fixes/additions and the code can be found here:=20
https://github.com/futurice/vdsm/tree/equallogic-multiple-iscsi-ifaces
The main issue seems to be that VDSM didn't work properly when multiple=20
network interfaces are used to connect to the iSCSI storage, as is the=20
situation with our Equallogic installation. The patch is currently=20
against vdsm version 4.13.2 and we've been using it as well with=20
version 4.13.3.
Nir, feel free to comment. I am not sure if this patch is ready for=20
upstream yet, but hopefully it illustrates some issues that may need=20
solving.
Best regards,
Boyan Tabakov
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