<html><body><p><font size="2">Yes, native GPFS access can be used by AFM, but only for shorter distances (10s of miles, e.g.). For intercontinental or cross-US distances, the latency would be too high for that protocol so NFS would be recommended.</font><br><font size="2"><br>Lyle</font><br><br><br><img width="16" height="16" src="cid:1__=8FBB095CDFDEB87B8f9e8a93df938690918c8FB@" border="0" alt="Inactive hide details for "Marc A Kaplan" ---03/29/2019 03:05:53 PM---I don't know the particulars of the case in question, nor"><font size="2" color="#424282">"Marc A Kaplan" ---03/29/2019 03:05:53 PM---I don't know the particulars of the case in question, nor much about ESS rules...</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">"Marc A Kaplan" <makaplan@us.ibm.com></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">03/29/2019 03:05 PM</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">Re: [gpfsug-discuss] A net new cluster</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><font size="2">I don't know the particulars of the case in question, nor much about ESS rules...<br>But for a vanilla Spectrum Scale cluster -.</font><br><font size="2"><br>1) There is nothing wrong or ill-advised about upgrading software and then creating a new version 5.x file system... keeping any older file systems in place.</font><br><font size="2"><br>2) I thought AFM was improved years ago to support GPFS native access -- need not go through NFS stack...?</font><br><font size="2"><br>Whereas your wrote:</font><br><font face="Calibri"> ... nor is it advisable to try to create a new pool or filesystem in same cluster and then migrate (partially because migrating between filesystems within a cluster with afm would require going through nfs stack afaik) ...</font><br><font face="Calibri"> </font><p><br><br><tt><font size="2">_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></font></tt><tt><font size="2"><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></font></tt><tt><font size="2"><br></font></tt><p><p><BR>
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