[ClusterLabs] Antw: LVM resource and DAS - would two resources off one DAS...

[Kristián Feldsam]

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S pozdravem Kristián Feldsam
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> On 27 Jul 2017, at 15:20, Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de> wrote:
> 
> Hi!
> 
> 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...
> 
> Regards,
> Ulrich
> 
>>>> 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.
>> 
>> question:
>> 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.
>> L.
>> 
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