<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Cory,<div>If I heard correctly on the call, I had the impression that current NFS testing might be limited. As part of this dialog, if it continues to have legs to be pursued, should there be some added action to explore the current level of testing and what would be desired? How important is this feature to Cray? Possibly other interested parties, endusers included might be able to assist with the testing side. </div><div><br></div><div>Just a thought.</div><div><br></div><div>Kevin</div><div><br></div><div><br></div><div><div><div>On Jul 3, 2013, at 10:46 AM, Cory Spitz <<a href="mailto:spitzcor@cray.com">spitzcor@cray.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">
<div style="font-family: Calibri, sans-serif; font-size: 14px; ">
Sure. NFS (v3) export seems to be flat broken when the MDS is at 2.4.0. Our other issues seem to be more related to 3.x kernels or SLES 11 SP2 specific (which is a 3.0 kernel). We haven't done a lot testing of NFS v4, but I assume that it has a all of the
same problems and possibly more.</div>
<div style="font-family: Calibri, sans-serif; font-size: 14px; ">
<br>
</div>
<div style="font-family: Calibri, sans-serif; font-size: 14px; ">
See:</div>
<div><a href="https://jira.hpdd.intel.com/browse/LU-3550">LU-3550</a> <span style="font-family: Calibri, sans-serif; ">- </span><span style="font-family: Calibri, sans-serif; ">Stale file handle on mount when mounting Lustre 2.4 via NFS</span></div>
<div><a href="https://jira.hpdd.intel.com/browse/LU-3544">LU-3544</a><span style="font-family: Calibri, sans-serif; font-size: 14px; "> - </span><span style="font-family: Calibri, sans-serif; font-size: 14px; ">Writing to new files under NFS export from Lustre
will result in ENOENT (SLES11SP2)</span></div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
<a href="https://jira.hpdd.intel.com/browse/LU-3486">LU-3486</a> - LBUG when exporting Lustre 2.4 via NFS on SLES11SP2: ll_dops_init: ASSERTION( de->d_op == &ll_d_ops ) failed</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
<a href="https://jira.hpdd.intel.com/browse/LU-3484">LU-3484</a> - Incorrect identification of anonymous dentry as root under SLES11SP2</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
<a href="https://jira.hpdd.intel.com/browse/LU-3483">LU-3483</a> - Null pointer dereference in ll_revalidate_nd (llite/dcache.c) in an NFS mounted Lustre file system</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
<br>
</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
Patrick Farrell from Cray has been working on these tickets and he may be able to chime in with more detail if you are interested.</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
<br>
</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
Thanks,</div>
<div style="font-size: 14px; font-family: Calibri, sans-serif; ">
-Cory</div>
<div style="font-family: Calibri, sans-serif; font-size: 14px; ">
<br>
</div>
<span id="OLK_SRC_BODY_SECTION" style="font-family: Calibri, sans-serif; font-size: 14px; ">
<div style="font-family: Calibri; font-size: 11pt; text-align: left; border-width: 1pt medium medium; border-style: solid none none; padding: 3pt 0in 0in; border-top-color: rgb(181, 196, 223); ">
<span style="font-weight:bold">From: </span>Nic Henke <<a href="mailto:nic_henke@xyratex.com">nic_henke@xyratex.com</a>><br>
<span style="font-weight:bold">Date: </span>Wednesday, July 3, 2013 12:04 PM<br>
<span style="font-weight:bold">To: </span>Cory Spitz <<a href="mailto:spitzcor@cray.com">spitzcor@cray.com</a>><br>
<span style="font-weight:bold">Cc: </span>"<a href="mailto:cdwg@lists.opensfs.org">cdwg@lists.opensfs.org</a>" <<a href="mailto:cdwg@lists.opensfs.org">cdwg@lists.opensfs.org</a>><br>
<span style="font-weight:bold">Subject: </span>NFS export for Lustre 2.4.0<br>
</div>
<div><br>
</div>
<blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="BORDER-LEFT: #b5c4df 5 solid; PADDING:0 0 0 5; MARGIN:0 0 0 5;" type="cite">
<div>
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">
Cory - could you say more about the bugs you found in NFS exporting with Lustre 2.4 ?
<div>
<div><br>
</div>
<div>Cheers,</div>
<div>Nic<br>
<div><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; border-spacing: 0px; font-size: medium; ">
<div><font face="Arial" size="2" style="font-size: small; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>Nicholas
Henke</strong></font><span style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; "> • </span><span style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><font color="#808080" face="Arial"><b>Senior
Filesystem Developer</b></font></span></div>
<div><font face="Arial" color="#004b83" size="2" style="font-size: small; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>Xyratex</strong></font><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; ">
<font face="Arial" color="#808080" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>office:</strong></font><span style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; "> </span><font face="Arial" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>+1
(651)842 8471</strong></font><span style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; "> • </span><font face="Arial" color="#808080" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>mobile:</strong></font><span style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; "> </span><font face="Arial" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><strong>+1
(651)895 5795</strong></font><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; ">
<font face="Arial" color="#808080" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><a href="http://www.xyratex.com/" target="_blank" style="color: rgb(128, 128, 128); ">www.xyratex.com</a></font><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Times; font-size: medium; ">
<font face="Arial" color="#808080" size="1" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><a href="http://blog.xyratex.com/" target="_blank" style="color: rgb(128, 128, 128); ">Connect
with Xyratex</a></font></div>
</span></div>
<br>
</div>
</div>
</div>
</div>
</blockquote>
</span>
</div>
_______________________________________________<br>cdwg mailing list<br><a href="mailto:cdwg@lists.opensfs.org">cdwg@lists.opensfs.org</a><br>http://lists.opensfs.org/listinfo.cgi/cdwg-opensfs.org<br></blockquote></div><br></div></body></html>