<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Colin.</div><div>This is not what the manual says.</div><div><br></div><div>Shall it be corrected then? Or, add description for startup sequence in different situations (first start, restart).</div><div><br></div><div>The manual (or online information) does not describe graceful shutdown sequence for separate MGS/MDT configuration, it will be nice to add that too.</div><div><br></div><div>Alex.</div><div><br></div><div>E.g.</div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://wiki.lustre.org/manual/LustreManual20_HTML/LustreOperations.html#50438194_24122">http://wiki.lustre.org/manual/LustreManual20_HTML/LustreOperations.html#50438194_24122</a></div><div>and similar</div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://build.whamcloud.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#dbdoclet.50438194_24122">http://build.whamcloud.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#dbdoclet.50438194_24122</a></div><div><h2 class="Head1" style="margin-top: 1.5em; font-size: 22pt; font-weight: bold; font-style: normal; font-family: helvetica, sans-serif; color: rgb(0, 0, 0); font-variant: 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; "></h2><blockquote type="cite"><h2 class="Head1" style="margin-top: 1.5em; font-size: 22pt; font-weight: bold; font-style: normal; font-family: helvetica, sans-serif; color: rgb(0, 0, 0); font-variant: 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; ">13.2 <a name="50438194_24122"></a>Starting <a name="50438194_marker-1305696"></a>Lustre</h2><p class="Paragraph" style="color: rgb(0, 0, 0); font-family: Times; font-size: medium; 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 name="50438194_pgfId-1304353"></a>The startup order of Lustre components depends on whether you have a combined MGS/MDT or these components are separate.</p><ul style="list-style-type: disc; font-family: Times; font-size: medium; font-style: normal; font-variant: 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; "><li class="Bullet1" style="font-weight: normal; color: rgb(0, 0, 0); "><a name="50438194_pgfId-1304354"></a>If you have a combined MGS/MDT, the recommended startup order is OSTs, then the MGS/MDT, and then clients.</li><div style="font-weight: normal; color: rgb(0, 0, 0); line-height: 0.5em; "><br class="webkit-block-placeholder"></div><li class="Bullet1"><font class="Apple-style-span" color="#000000" style="font-weight: normal; "><a name="50438194_pgfId-1304355"></a>If the MGS and MDT are separate, the recommended startup order is: </font><font class="Apple-style-span" color="#ff211b"><b>MGS, then OSTs, then the MDT, and then clients.</b></font></li></ul></blockquote><div><br></div></div><div><br></div><br><div><div>On Mar 7, 2013, at 9:51 AM, Colin Faber wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi Christopher,<br><br>In general this can happen when your initial remount of the various <br>services is in the<font class="Apple-style-span" color="#ff211b"> wrong order.<br><br>Such as MGS -> OST -> MDT -> Client.</font> or MGS -> MDT -> Clients -> OST, etc.<br><br>During initial mount and registration it's critical that your mount be <br>in the correct order:<br><br>MGS -> MDT -> OST(s) -> Client(s)<br><br>CATALOG corruption, or out of order sequence is more rare on active file <br>system, but is possible. The simple fix here as described below is to <br>just truncate it and all should be well again.<br><br>-cf<br><br>ailing list<br><a href="mailto:Lustre-discuss@lists.lustre.org">Lustre-discuss@lists.lustre.org</a><br>http://lists.lustre.org/mailman/listinfo/lustre-discuss<br></div></blockquote></div><br></body></html>