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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Ok. I re-read the FAQ and I think the option in the Table is a bit misleading. I think it means it’s supported without direct disk access and that means GPFS client not an NSD. Sound
right?<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of Sanjay Gandhi <gsanjay@us.ibm.com><br>
<b>Reply-To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Date: </b>Tuesday, October 25, 2016 at 2:48 PM<br>
<b>To: </b>"gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org><br>
<b>Subject: </b>Re: [gpfsug-discuss] gpfsug-discuss Digest, Vol 57, Issue 66<o:p></o:p></span></p>
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<p>VMDK is not supported due to <a href="http://kb.vmware.com/kb/2032940">http://kb.vmware.com/kb/2032940</a><br>
<br>
It can cause GPFS deadlock due to hung IO.<br>
<br>
<br>
Thanks,<br>
Sanjay Gandhi<br>
GPFS FVT<br>
IBM, Beaverton<br>
Phone/FAX : 503-578-4141 T/L 775-4141<br>
gsanjay@us.ibm.com<br>
<br>
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<span style="font-size:10.0pt;color:#5F5F5F">From: </span><span style="font-size:10.0pt">gpfsug-discuss-request@spectrumscale.org</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">To: </span><span style="font-size:10.0pt">gpfsug-discuss@spectrumscale.org</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Date: </span><span style="font-size:10.0pt">10/25/2016 12:35 PM</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Subject: </span><span style="font-size:10.0pt">gpfsug-discuss Digest, Vol 57, Issue 66</span><br>
<span style="font-size:10.0pt;color:#5F5F5F">Sent by: </span><span style="font-size:10.0pt">gpfsug-discuss-bounces@spectrumscale.org</span><o:p></o:p></p>
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<tt>Today's Topics:</tt><br>
<br>
<tt> 1. Re: Virtualized Spectrum Scale (Mark.Bush@siriuscom.com)</tt><br>
<br>
<br>
<tt>----------------------------------------------------------------------</tt><br>
<br>
<tt>Message: 1</tt><br>
<tt>Date: Tue, 25 Oct 2016 19:34:29 +0000</tt><br>
<tt>From: "Mark.Bush@siriuscom.com" <Mark.Bush@siriuscom.com></tt><br>
<tt>To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></tt><br>
<tt>Subject: Re: [gpfsug-discuss] Virtualized Spectrum Scale</tt><br>
<tt>Message-ID: <5482A551-873C-4F9F-89BF-0CF0FB926D92@siriuscom.com></tt><br>
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<br>
<tt>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?</tt><br>
<br>
<tt>[<a href="cid:image001.png@01D22ECC.E20EC2F0">cid:image001.png@01D22ECC.E20EC2F0</a>]</tt><br>
<br>
<tt>From: <gpfsug-discuss-bounces@spectrumscale.org> on behalf of Luis Bolinches <luis.bolinches@fi.ibm.com></tt><br>
<tt>Reply-To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></tt><br>
<tt>Date: Tuesday, October 25, 2016 at 1:58 PM</tt><br>
<tt>To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></tt><br>
<tt>Subject: Re: [gpfsug-discuss] Virtualized Spectrum Scale</tt><br>
<br>
<tt>Hi</tt><br>
<br>
<tt>You must use RDM. Otherwise is not supported. SCSI commands is the reason.</tt><br>
<br>
<tt>Furthermore on some versions I managed to crash the ESXi as well.</tt><br>
<br>
<tt>--</tt><br>
<tt>Cheers</tt><br>
<br>
<tt>On 25 Oct 2016, at 19.46, "Mark.Bush@siriuscom.com<<a href="mailto:Mark.Bush@siriuscom.com">mailto:Mark.Bush@siriuscom.com</a>>" <Mark.Bush@siriuscom.com<<a href="mailto:Mark.Bush@siriuscom.com">mailto:Mark.Bush@siriuscom.com</a>>> wrote:</tt><br>
<tt>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.</tt><br>
<br>
<tt>Thanks</tt><br>
<br>
<tt>Mark</tt><br>
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