<div dir="ltr">What I am struggling to understand here, is why it is being referred to as a "SAN" when it is not concurrently available... how are you mounting this "SAN" on each host?</div><div class="gmail_extra"><br><div class="gmail_quote">On 5 September 2018 at 18:55, Andrei Borzenkov <span dir="ltr"><<a href="mailto:arvidjaar@gmail.com" target="_blank">arvidjaar@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">05.09.2018 19:13, Lentes, Bernd пишет:<br>
<span class="">> Hi guys,<br>
> <br>
> just to be sure. I thought (maybe i'm wrong) that having a VM on a shared storage (FC SAN), e.g. in a raw file on an ext3 fs on that SAN allows live-migration because pacemaker takes care that the ext3 fs is at any time only mounted on one node.<br>
<br>
<br>
</span>While live migration requires concurrent access from both nodes at the<br>
same time.<br>
<span class=""><br>
> I tried it, but "live"-migration wasn't possible. The vm was always shutdown before migration. Or do i need OCFS2 ?<br>
<br>
</span>You need to be able to access image from both nodes at the same time. If<br>
image is on file system, it must be clustered filesystem. Or just use<br>
raw device for image as already suggested.<br>
<span class="im HOEnZb"><br>
> Could anyone clarifies this ?<br>
> <br>
> <br>
> Bernd<br>
> <br>
<br>
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