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Gary, <br><br><br>
HA over WAN is the approach I am using due to WAN network structure I have.<br><br>I tested linux-ha+drbd for HA over LAN requirement a few years ago and this approach is not needed for my current requirements. So please submit your notes about this HA-LAN using drbd approach to xymon wiki site.<br><br><br>T.J. Yang<br><br><br><br><hr id="stopSpelling">Date: Tue, 10 Feb 2009 14:14:19 -0500<br>From: gumby3203@gmail.com<br>To: hobbit@hswn.dk<br>Subject: Re: [hobbit] HA solutions<br><br>I haven't gotten down to tuning the setup, but out of the box, LinuxHA seems to fail over in about that same 3-5 second time frame. That's with the heartbeat going through the primary LAN interface, and just going by what crm_mon says (with a 5 second update interval).<br>
<br>Once I get DRBD up and running on the nodes, I'm going to do a bit more exhaustive testing and see how quickly and smoothly I get can things to fail over. Maybe now that I've started this thread, it will give me an incentive to spend some more time on this ;-)<br>
<br><div class="EC_gmail_quote">On Tue, Feb 10, 2009 at 1:43 PM, Clark, Sean <span dir="ltr"><<a href="mailto:sean.clark@twcable.com">sean.clark@twcable.com</a>></span> wrote:<br><blockquote class="EC_gmail_quote" style="padding-left: 1ex;">
<div>
<BR><div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial">I have it running with Conga/Ricci/lucci redhat-cluster and
a 3510 shared disk array.</font></span></div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial">[2 node with shared IP]</font></span></div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial"></font></span> </div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial">I was thinking of switching it over to linux-HA though,
because it takes 3-5 seconds to fail over, and this seems too slow for
me</font></span></div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial"></font></span> </div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial">how fast does linuxHA failover?</font></span></div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial"></font></span> </div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial"></font></span> </div>
<div dir="ltr" align="left"><span><font size="2" color="#0000ff" face="Arial">-Sean</font></span></div><br>
<div dir="ltr" align="left" lang="en-us">
</div><br><span style="font-size: 14pt; color: green; font-family: Webdings;" lang="EN-GB">P</span> <font size="2" color="green" face="Verdana">Go Green! Print this email only when necessary. Thank you for helping Time Warner Cable be environmentally responsible.</font>
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<font size="2" color="green" face="Verdana"> </font><BR>
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<BR><div dir="ltr" align="left" lang="en-us"><hr></div><div dir="ltr" align="left" lang="en-us">
<font size="2" face="Tahoma"><b>From:</b> Gary Baluha [mailto:<a href="mailto:gumby3203@gmail.com">gumby3203@gmail.com</a>]
<br><b>Sent:</b> Tuesday, February 10, 2009 10:37 AM<br><b>To:</b>
<a href="mailto:hobbit@hswn.dk">hobbit@hswn.dk</a><br><b>Subject:</b> [hobbit] HA solutions<br></font><br></div><div class="EC_Ih2E3d">
<div></div>I know there was a thread on this a while back, and if I recall,
there was mention that the 4.3.0 line would have features for HA.<br><br>Anyway,
I've been working on implementing a 2-node HA Xymon cluster using LinuxHA, and
probably DRBD for shared disk (I have yet to implement DRBD, though). The
Apache and Xymon services fail over to the other node fairly nicely, and I have
successfully testing that using a shared IP to the Xymon web page works.
It's still in the early stages of implementation and testing, but so far it
appears hold hold promise.<br><br>I'd be interesting in hearing about other HA
solutions that have been implemented (if any). I don't recall previous
mention of LinuxHA, so if no one else has done it, I'll be glad to update the
list with my progress.<br></div><pre>This E-mail and any of its attachments may contain Time Warner<br>Cable proprietary information, which is privileged, confidential,<br>or subject to copyright belonging to Time Warner Cable. This E-mail<br>is intended solely for the use of the individual or entity to which<br>it is addressed. If you are not the intended recipient of this<br>E-mail, you are hereby notified that any dissemination,<br>distribution, copying, or action taken in relation to the contents<br>of and attachments to this E-mail is strictly prohibited and may be<br>unlawful. If you have received this E-mail in error, please notify<br>the sender immediately and permanently delete the original and any<br>copy of this E-mail and any printout.<br></pre></div>
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