[ClusterLabs] Antw: LVM resource and DAS - would two resources off one DAS...
Ulrich.Windl at rz.uni-regensburg.de
Thu Jul 27 09:20:07 EDT 2017
I think it will work, because the cluster does not monitor the PVs or prtition or LUNs. It just checks whether you can activate the LVs (i.e.: the VG). That's what I know...
>>> lejeczek <peljasz at yahoo.co.uk> schrieb am 27.07.2017 um 15:05 in Nachricht
<636398a2-e8ea-644b-046b-ff12358de875 at yahoo.co.uk>:
> hi fellas
> I realise this might be quite specialized topic, as this
> regards hardware DAS(sas2) and LVM and cluster itself but
> I'm hoping with some luck an expert peeps over here and I'll
> get some or all the answers then.
> Can cluster manage two(or more) LVM resources which would be
> on/in same single DAS storage and have these resources(eg.
> one LVM runs on 1&2 the other LVM runs on 3&4) run on
> different nodes(which naturally all connect to that single DAS)?
> Now, I guess this might be something many do already and
> many will say: trivial. In which case a few firm "yes"
> confirmations will mean - typical, just do it.
> Or could it be something unusual and untested but
> might/should work when done with care and special "preparation"?
> I understand that lots depends on what/how harwdare+kernel
> do things, but if possible(?) I'd leave it out for now and
> ask only the cluster itself - do you do it?
> many thanks.
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