<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jul 5, 2017 at 7:12 AM, Vinícius Ferrão <span dir="ltr"><<a href="mailto:ferrao@if.ufrj.br" target="_blank">ferrao@if.ufrj.br</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Adding another question to what Matthias has said.
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<div>I also noted that oVirt (and RHV) documentation does not mention the supported block size on iSCSI domains.</div>
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<div>RHV: <a href="https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.0/html/administration_guide/chap-storage" target="_blank">https://access.redhat.<wbr>com/documentation/en-us/red_<wbr>hat_virtualization/4.0/html/<wbr>administration_guide/chap-<wbr>storage</a></div>
<div>oVirt: <a href="http://www.ovirt.org/documentation/admin-guide/chap-Storage/" target="_blank">http://www.ovirt.org/<wbr>documentation/admin-guide/<wbr>chap-Storage/</a></div>
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<div>I’m interested on 4K blocks over iSCSI, but this isn’t really widely supported. The question is: oVirt supports this? Or should we stay with the default 512 bytes of block size?</div></div></blockquote><div><br></div><div>It does not.</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">
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<div>Thanks,</div>
<div>V.</div><span class="">
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<div>On 4 Jul 2017, at 09:10, Matthias Leopold <<a href="mailto:matthias.leopold@meduniwien.ac.at" target="_blank">matthias.leopold@meduniwien.<wbr>ac.at</a>> wrote:</div>
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Am 2017-07-04 um 10:01 schrieb Simone Tiraboschi:<br>
<blockquote type="cite">On Tue, Jul 4, 2017 at 5:50 AM, Vinícius Ferrão <<a href="mailto:ferrao@if.ufrj.br" target="_blank">ferrao@if.ufrj.br</a> <<a href="mailto:ferrao@if.ufrj.br" target="_blank">mailto:ferrao@if.ufrj.br</a>>> wrote:<br>
Thanks, Konstantin.<br>
Just to be clear enough: the first deployment would be made on<br>
classic eth interfaces and later after the deployment of Hosted<br>
Engine I can convert the "ovirtmgmt" network to a LACP Bond, right?<br>
Another question: what about iSCSI Multipath on Self Hosted Engine?<br>
I've looked through the net and only found this issue:<br>
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1193961" target="_blank">https://bugzilla.redhat.<wbr>com/show_bug.cgi?id=1193961</a><br>
<<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1193961" target="_blank">https://bugzilla.redhat.<wbr>com/show_bug.cgi?id=1193961</a>><br>
Appears to be unsupported as today, but there's an workaround on the<br>
comments. It's safe to deploy this way? Should I use NFS instead?<br>
It's probably not the most tested path but once you have an engine you should be able to create an iSCSI bond on your hosts from the engine.<br>
Network configuration is persisted across host reboots and so the iSCSI bond configuration.<br>
A different story is instead having ovirt-ha-agent connecting multiple IQNs or multiple targets over your SAN. This is currently not supported for the hosted-engine storage domain.<br>
See:<br>
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1149579" target="_blank">https://bugzilla.redhat.com/<wbr>show_bug.cgi?id=1149579</a><br>
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Hi Simone,<br>
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i think my post to this list titled "iSCSI multipathing setup troubles" just recently is about the exact same problem, except i'm not talking about the hosted-engine storage domain. i would like to configure _any_ iSCSI storage domain the way you describe it
in <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1149579#c1" target="_blank">https://bugzilla.redhat.com/<wbr>show_bug.cgi?id=1149579#c1</a>. i would like to do so using the oVirt "iSCSI Multipathing" GUI after everything else is setup. i can't find a way to do
this. is this now possible? i think the iSCSI Multipathing documentation could be improved by describing an example IP setup for this.<br>
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thanks a lot<br>
matthias<br>
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