[gpfsug-discuss] Virtualized Spectrum Scale

[Mark.Bush at siriuscom.com]

This is interesting since the SS FAQ leads me to believe that I have some options here.  Does GPFS nodes with no direct disk access still mean RDMs?

[cid:image001.png at 01D22ECC.E20EC2F0]

From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of Luis Bolinches <luis.bolinches at fi.ibm.com>
Reply-To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date: Tuesday, October 25, 2016 at 1:58 PM
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] Virtualized Spectrum Scale

Hi

You must use RDM. Otherwise is not supported. SCSI commands is the reason.

Furthermore on some versions I managed to crash the ESXi as well.

--
Cheers

On 25 Oct 2016, at 19.46, "Mark.Bush at siriuscom.com<mailto:Mark.Bush at siriuscom.com>" <Mark.Bush at siriuscom.com<mailto:Mark.Bush at siriuscom.com>> wrote:
Anyone running SpectrumScale on Virtual Machines (intel)?  I’m curious how you manage disks?  Do you use RDM’s?  Does this even make sense to do?  If you have a 2-3 node cluster how do you share the disks across?  Do you have VM’s with their own VMDK’s (if not RDM) in each node or is there some way to share access to the same VMDK’s?  What are the advantages doing this other than existing HW use?  Seems to me for a lab environment or very small nonperformance focused implementation this may be a viable option.

Thanks

Mark

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