<HTML dir=ltr><HEAD><TITLE>Re: [Lustre-discuss] lustre interoperability</TITLE>
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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>Just for the record...</FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>I successfully upgraded from 1.6.0.1 to 1.6.3 in a single step without issue. </FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>Thanks to all who provided input on this.</FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>Ron.</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> lustre-discuss-bounces@clusterfs.com on behalf of Jerome, Ron<BR><B>Sent:</B> Thu 10/18/2007 9:33 PM<BR><B>To:</B> lustre-discuss@clusterfs.com<BR><B>Subject:</B> Re: [Lustre-discuss] lustre interoperability<BR></FONT><BR></DIV>
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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>Thanks Andreas,</FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>So I guess that means I can give it a try and hope for the best :-) or would I be wiser to go step by step given this is a production system serving 32 TB?</FONT></DIV>
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<DIV dir=ltr><FONT face=Arial size=2>Ron.</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> lustre-discuss-bounces@clusterfs.com on behalf of Andreas Dilger<BR><B>Sent:</B> Thu 10/18/2007 5:56 PM<BR><B>To:</B> Jerome, Ron<BR><B>Cc:</B> lustre-discuss@clusterfs.com<BR><B>Subject:</B> Re: [Lustre-discuss] lustre interoperability<BR></FONT><BR></DIV>
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<P><FONT size=2>On Oct 18, 2007 10:49 -0400, Jerome, Ron wrote:<BR>> Could somebody (Andreas maybe :) give a definitive answer on this...<BR>><BR>> > > Having said that, I believe 1.6.0 and 1.6.3 is actually something<BR>> that<BR>> > > will work, but I'm not 100% certain of this, so I'll allow others to<BR>> > > correct me.<BR>><BR>> ... as I would like to do just this, go from 1.6.0.1 to 1.6.3 and would<BR>> rather not have to go through the intermediate versions if I don't have<BR>> to.<BR><BR>I'm not aware of any incompatibilities between 1.6.0 and 1.6.3, and we<BR>have a good mechanism to handle protocol negotiation when we add features<BR>to Lustre (since 1.4.2). That said, we can't possibly do an all-to-all<BR>test matrix, so we only test against the previous minor version (1.6.3<BR>against 1.6.2) and the upgrade from the most recent major version (1.4.12).<BR><BR>There have been no changes to the on-disk format since 1.4 days (excluding<BR>the config logs) that I'm aware of.<BR><BR>Cheers, Andreas<BR>--<BR>Andreas Dilger<BR>Principal Software Engineer<BR>Cluster File Systems, Inc.<BR><BR>_______________________________________________<BR>Lustre-discuss mailing list<BR>Lustre-discuss@clusterfs.com<BR><A href="https://mail.clusterfs.com/mailman/listinfo/lustre-discuss">https://mail.clusterfs.com/mailman/listinfo/lustre-discuss</A><BR></FONT></P></DIV></DIV></BODY></HTML>