<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><DIV>On Jan 10, 2007, at 1:47 PM, Miroslav Zubcic wrote:</DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">How can I prevent this? This looks like a bug. I don't want fenced to</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">fence other node south if it already "knows" that it is the one without link.</DIV></BLOCKQUOTE></DIV>It is very possible to write a wrapper script for your fencing agent that simply checks the link and refuses to fence when the link is down. However, this wouldn't really be good in any non-network related fencing situation.<BR><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The recommendation to use a qdiskd would be a good one and you could even use a link detection script as an arbitrary heuristic in this case.</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; "><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; ">Systems Architect</SPAN></SPAN></FONT></DIV><DIV><B style="font-weight: bold; "><SPAN class="Apple-style-span" style="font-weight: bold; ">Engine Yard</SPAN></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; "><A href="mailto:jvantuyl@engineyard.com">jvantuyl@engineyard.com</A></SPAN></SPAN></FONT></DIV></SPAN><BR class="Apple-interchange-newline"></SPAN></DIV><BR></BODY></HTML>