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List:       veritas-ha
Subject:    Re: [Veritas-ha] Veritas - SFRAC PrivNIC failover problem
From:       Chethan Hublikar <chethan_hublikar () symantec ! com>
Date:       2008-10-21 18:19:56
Message-ID: 48FE1D4C.2080505 () symantec ! com
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What is the css misscount set to?


Craig Simpson wrote:
>
> At one point we switched "Oracles" interconnect to UDP, and Veritas 
> stayed at LLT. 2 interconnect switches. When a primary path errored, 
> yes, all nodes switched to the second switch. It worked under load. So 
> might not be much help, but I can tell you it worked.
> C
>
> On Tue, Oct 21, 2008 at 4:27 AM, Scott3, James 
> <james.scott32@twcable.com <mailto:james.scott32@twcable.com>> wrote:
>
>     We have a 4-node cluster running SF-RAC 5.0MP1 on Solaris in which
>     we're
>     using the PrivNIC option on the private interconnect for oracle RAC
>     communications.  The problem we're having is that the interface is not
>     failing over fast enough to prevent oracle RAC from rebooting one
>     of the
>     nodes.  My take on the PrivNIC feature is that it is supposed to fail
>     over to the second interface within seconds of the primary one going
>     offline whether it be the NIC or the network port causing the service
>     interruption.  This however is not the case.  We've changed several
>     parameters based on Veritas recommendation but that does not seem to
>     help.  The changes we made were:
>
>     PrivNIC       FaultOnMonitorTimeouts  4
>     PrivNIC       MonitorInterval         60
>     PrivNIC       MonitorTimeout          300
>
>                     - TO -
>
>     PrivNIC       FaultOnMonitorTimeouts  4
>     PrivNIC       MonitorInterval         60
>     PrivNIC       MonitorTimeout          60
>
>
>
>     Anyone seen this or has been confronted with this type of issue?
>
>     Configuration Info:
>      Solaris
>      VCS 5.0MP1  (SF-RAC)
>      PrivNIC setup for intercommunications for RAC (private network)
>
>
>     Thanks,
>      James
>
>     P Go Green! Print this email only when necessary. Thank you for
>     helping Time Warner Cable be environmentally responsible.
>
>
>     This E-mail and any of its attachments may contain Time Warner
>     Cable proprietary information, which is privileged, confidential,
>     or subject to copyright belonging to Time Warner Cable. This E-mail
>     is intended solely for the use of the individual or entity to which
>     it is addressed. If you are not the intended recipient of this
>     E-mail, you are hereby notified that any dissemination,
>     distribution, copying, or action taken in relation to the contents
>     of and attachments to this E-mail is strictly prohibited and may be
>     unlawful. If you have received this E-mail in error, please notify
>     the sender immediately and permanently delete the original and any
>     copy of this E-mail and any printout.
>
>     _______________________________________________
>     Veritas-ha maillist  -  Veritas-ha@mailman.eng.auburn.edu
>     <mailto:Veritas-ha@mailman.eng.auburn.edu>
>     http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha
>
>
>
>
> -- 
> "You can't wait for inspiration. You have to go after it with a stick" 
> - Jack London
> ------------------------------------------------------------------------
>
> _______________________________________________
> Veritas-ha maillist  -  Veritas-ha@mailman.eng.auburn.edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha
>   


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What is the css misscount set to?<br>
<br>
<br>
Craig Simpson wrote:
<blockquote
 cite="mid:b1ec6c6f0810210814r2a78a330pf514ce729c222b3@mail.gmail.com"
 type="cite">
  <div dir="ltr"><br>
At one point we switched "Oracles" interconnect to UDP, and Veritas
stayed at LLT. 2 interconnect switches. When a primary path errored,
yes, all nodes switched to the second switch. It worked under load. So
might not be much help, but I can tell you it worked. <br>
C<br>
  <br>
  <div class="gmail_quote">On Tue, Oct 21, 2008 at 4:27 AM, Scott3,
James <span dir="ltr">&lt;<a moz-do-not-send="true"
 href="mailto:james.scott32@twcable.com">james.scott32@twcable.com</a>&gt;</span>
wrote:<br>
  <blockquote class="gmail_quote"
 style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; \
padding-left: 1ex;">We have a 4-node cluster running SF-RAC 5.0MP1 on Solaris in \
which we're<br> using the PrivNIC option on the private interconnect for oracle \
RAC<br> communications. &nbsp;The problem we're having is that the interface is \
not<br> failing over fast enough to prevent oracle RAC from rebooting one of the<br>
nodes. &nbsp;My take on the PrivNIC feature is that it is supposed to fail<br>
over to the second interface within seconds of the primary one going<br>
offline whether it be the NIC or the network port causing the service<br>
interruption. &nbsp;This however is not the case. &nbsp;We've changed several<br>
parameters based on Veritas recommendation but that does not seem to<br>
help. &nbsp;The changes we made were:<br>
    <br>
PrivNIC &nbsp; &nbsp; &nbsp; FaultOnMonitorTimeouts &nbsp;4<br>
PrivNIC &nbsp; &nbsp; &nbsp; MonitorInterval &nbsp; &nbsp; &nbsp; &nbsp; 60<br>
PrivNIC &nbsp; &nbsp; &nbsp; MonitorTimeout &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;300<br>
    <br>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; - TO -<br>
    <br>
PrivNIC &nbsp; &nbsp; &nbsp; FaultOnMonitorTimeouts &nbsp;4<br>
PrivNIC &nbsp; &nbsp; &nbsp; MonitorInterval &nbsp; &nbsp; &nbsp; &nbsp; 60<br>
PrivNIC &nbsp; &nbsp; &nbsp; MonitorTimeout &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;60<br>
    <br>
    <br>
    <br>
Anyone seen this or has been confronted with this type of issue?<br>
    <br>
Configuration Info:<br>
&nbsp;Solaris<br>
&nbsp;VCS 5.0MP1 &nbsp;(SF-RAC)<br>
&nbsp;PrivNIC setup for intercommunications for RAC (private network)<br>
    <br>
    <br>
Thanks,<br>
&nbsp;James<br>
    <br>
P Go Green! Print this email only when necessary. Thank you for helping
Time Warner Cable be environmentally responsible.<br>
    <br>
    <br>
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>
    <br>
_______________________________________________<br>
Veritas-ha maillist &nbsp;- &nbsp;<a moz-do-not-send="true"
 href="mailto:Veritas-ha@mailman.eng.auburn.edu">Veritas-ha@mailman.eng.auburn.edu</a><br>
  <a moz-do-not-send="true"
 href="http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha"
 target="_blank">http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha</a><br>
  </blockquote>
  </div>
  <br>
  <br clear="all">
  <br>
-- <br>
"You can't wait for inspiration. You have to go after it with a stick"
- Jack London<br>
  </div>
  <pre wrap="">
<hr size="4" width="90%">
_______________________________________________
Veritas-ha maillist  -  <a class="moz-txt-link-abbreviated" \
href="mailto:Veritas-ha@mailman.eng.auburn.edu">Veritas-ha@mailman.eng.auburn.edu</a> \
<a class="moz-txt-link-freetext" \
href="http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha">http://mailman.eng.auburn.edu/mailman/listinfo/veritas-ha</a>
  </pre>
</blockquote>
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_______________________________________________
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