[ovirt-users] oVIRT 4.1 / iSCSI Multipathing

[Elad Ben Aharon]

Hi,

Please make sure that the hosts can reach the iSCSI targets on your Dell
storage using the NICs that are being used by the 2 networks dedicated for
iSCSI.
You can try check it using 'ping -I <int_name> <target_addr>'.



Thanks,

ELAD BEN AHARON

SENIOR QUALITY ENGINEER

Red Hat Israel Ltd. <https://www.redhat.com/>

34 Jerusalem Road, Building A, 1st floor

Ra'anana, Israel 4350109

ebenahar at redhat.com    T: +972-9-7692007/8272007
 <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>


On Mon, Jul 17, 2017 at 3:11 PM, Devin Acosta <devin at pabstatencio.com>
wrote:

> V.,
>
> I am still troubleshooting the issue, I haven’t found any resolution to my
> issue at this point yet. I need to figure out by this Friday otherwise I
> need to look at Xen or another solution. iSCSI and oVIRT seems problematic.
>
>
> --
>
> Devin Acosta
> Red Hat Certified Architect, LinuxStack
>
> On July 16, 2017 at 11:53:59 PM, Vinícius Ferrão (ferrao at if.ufrj.br)
> wrote:
>
> Have you found any solution for this problem?
>
> I’m using an FreeNAS machine to server iSCSI but I’ve the exactly same
> problem. I’ve reinstalled oVirt at least 3 times during the weekend trying
> to solve the issue.
>
> At this moment my iSCSI Multipath tab is just inconsitent. I can’t see
> both VLAN’s on “Logical networks” but only one target shows up on Storage
> Targets.
>
> When I was able to found two targets everything went down and I needed to
> reboot the host and the Hosted Engine to regenerate oVirt.
>
> V.
>
> On 11 Jul 2017, at 19:29, Devin Acosta <devin at pabstatencio.com> wrote:
>
>
> I am using the latest release of oVIRT 4.1.3, and I am connecting a Dell
> Compelent SAN that has 2 fault domains each on a separate VLAN that I have
> attached to oVIRT. From what I understand I am suppose to go into “iSCSI
> Multipathing” option and add a BOND of the iSCSI interfaces. I have done
> this selecting the 2 logical networks together for iSCSI. I notice that
> there is an option below to select Storage Targets but if I select the
> storage targets below with the logical networks the the cluster goes crazy
> and appears to be mad. Storage, Nodes, and everything goes offline even
> thought I have NFS also attached to the cluster.
>
> How should this best be configured. What we notice that happens is when
> the server reboots it seems to log into the SAN correctly but according the
> the Dell SAN it is only logged into once controller. So only pulls both
> fault domains from a single controller.
>
> Please Advise.
>
> Devin
>
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