<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><DIV>On Feb 8, 2007, at 2:53 AM, Patrick Caulfield wrote:</DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I'm not sure what you mean here. You either have a cluster or you don't.</DIV></BLOCKQUOTE>Yes.</DIV><DIV><BR><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">If you have clvm on one node on a cluster then it needs to be on ALL nodes of</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">the cluster - you can't have an isolated node that is also part of the CMAN</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">cluster.</DIV></BLOCKQUOTE>I had kind of figured this out.</DIV><DIV><BR><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">If what you mean is "can I have a non-clustered Volume Group alongside cluster</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">volume groups", then the answer is "yes". There is a flag on the VG that</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">indicates whether it is clustered or not. activated with vgchange -cy,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">deactivated with vgchange -cn. You can't mark individual LVs within a VG as</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">clustered/non-clustered though. That wouldn't make sense.</DIV></BLOCKQUOTE>Well, I think I have a bug to report. When I create a vg and mark it as not clustered, I get locking errors when working with its LVs.</DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV>-- </DIV><DIV>Jayson Vantuyl</DIV><DIV><FONT class="Apple-style-span" size="2"><SPAN class="Apple-style-span" style="font-size: 10px;"><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; ">Systems Architect</SPAN></SPAN></SPAN></FONT></DIV><DIV><B style="font-weight: bold; "><A href="http://www.engineyard.com"><SPAN class="Apple-style-span" style="font-weight: normal;; color: rgb(0, 0, 238); -khtml-text-decorations-in-effect: underline; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 238); -khtml-text-decorations-in-effect: underline; ">Engine Yard</SPAN></SPAN></A></B></DIV><DIV><FONT class="Apple-style-span" size="2"><SPAN class="Apple-style-span" style="font-size: 10px;"><SPAN class="Apple-style-span" style="font-size: 10px; "><SPAN class="Apple-style-span" style="font-size: 10px; "><A href="mailto:jvantuyl@engineyard.com">jvantuyl@engineyard.com</A></SPAN></SPAN></SPAN></FONT></DIV></SPAN><BR class="Apple-interchange-newline"></SPAN></SPAN> </DIV><BR></BODY></HTML>