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List:       veritas-bu
Subject:    Re: [Veritas-bu] Strange behaviour on 6.5.6 - Fixed
From:       nbuser <nbuser () live ! com>
Date:       2011-06-29 13:55:00
Message-ID: BLU0-SMTP99A23DAF0E401226EB0B5BBE590 () phx ! gbl
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Thanks Patrick for the resolution.

On Wed, Jun 29, 2011 at 7:06 PM, Patrick
<netbackup@whelan-consulting.co.uk>wrote:

> In case anyone is interested. We basically fixed the problem by rebooting
> one of the media servers. It appears that it was having intermittent
> difficult, or perhaps one way, communication with the master server. The
> master server was unable to empty it queue (forgotten the name) L so it
> looked like everything was hung.****
>
> We found the problem from two different angles by two different people.**=
*
> *
>
> On the media server we saw very slow responses to vmoprcmd and tpconfig
> (among others). The most interesting thing was that the media server coul=
d
> ping the physical master server but not the virtual (it=92s clustered, bo=
th on
> same subnet). However the master server could ping the media server and
> other media servers had no problem pinging both. After the reboot, the
> medias server was able to ping both. L****
>
> From another angle but in parallel someone ran some analysis tools on the
> master server and determined the above queue problem. After rebooting the
> medias server (it had been up for 45 days (Linux)) everything worked find=
.
> We went from a success rate of 65% to 80% (on a good day) to 95% the firs=
t
> night of the fix and 99% last night.****
>
> This was all because of one errant media server out of 60. L****
>
> ** **
>
> Regards,****
>
>  ****
>
> Patrick Whelan****
>
> VERITAS Certified NetBackup Support Engineer for UNIX.****
>
> VERITAS Certified NetBackup Support Engineer for Windows.****
>
> ** **
>
> netbackup@whelan-consulting.co.uk****
>
> ** **
>
> ** **
>
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu@mailman.eng.auburn.edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
>

[Attachment #5 (text/html)]

Thanks Patrick for the resolution.<br><br><div class="gmail_quote">On Wed, Jun 29, \
2011 at 7:06 PM, Patrick <span dir="ltr">&lt;<a \
href="mailto:netbackup@whelan-consulting.co.uk">netbackup@whelan-consulting.co.uk</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;"><div link="blue" \
vlink="purple" lang="EN-GB"><div><p class="MsoNormal">In case anyone is interested. \
We basically fixed the problem by rebooting one of the media servers. It appears that \
it was having intermittent difficult, or perhaps one way, communication with the \
master server. The master server was unable to empty it queue (forgotten the name) \
<span style="font-family: Wingdings;">L</span> so it looked like everything was \
hung.<u></u><u></u></p> <p class="MsoNormal">We found the problem from two different \
angles by two different people.<u></u><u></u></p><p class="MsoNormal">On the media \
server we saw very slow responses to vmoprcmd and tpconfig (among others). The most \
interesting thing was that the media server could ping the physical master server but \
not the virtual (it’s clustered, both on same subnet). However the master server \
could ping the media server and other media servers had no problem pinging both. \
After the reboot, the medias server was able to ping both. <span style="font-family: \
Wingdings;">L</span><u></u><u></u></p> <p class="MsoNormal">From another angle but in \
parallel someone ran some analysis tools on the master server and determined the \
above queue problem. After rebooting the medias server (it had been up for 45 days \
(Linux)) everything worked find. We went from a success rate of 65% to 80% (on a good \
day) to 95% the first night of the fix and 99% last night.<u></u><u></u></p> <p \
class="MsoNormal">This was all because of one errant media server out of 60. <span \
style="font-family: Wingdings;">L</span><u></u><u></u></p><p \
class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><span style="font-size: \
10pt; color: rgb(31, 73, 125);" lang="EN-US">Regards,</span><span style="font-size: \
12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: rgb(31, 73, \
125);" lang="EN-US"><u></u><u></u></span></p> <p class="MsoNormal"><span \
style="color: rgb(31, 73, 125);" lang="EN-US"> <u></u><u></u></span></p><p \
class="MsoNormal"><span style="color: rgb(31, 73, 125);" lang="EN-US">Patrick \
Whelan<u></u><u></u></span></p><p class="MsoNormal"> <span style="color: rgb(31, 73, \
125);" lang="EN-US">VERITAS Certified NetBackup Support Engineer for \
UNIX.<u></u><u></u></span></p><p class="MsoNormal"><span style="color: rgb(31, 73, \
125);" lang="EN-US">VERITAS Certified NetBackup Support Engineer for \
Windows.<u></u><u></u></span></p> <p class="MsoNormal"><span style="color: rgb(31, \
73, 125);" lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span \
style="font-size: 10pt; color: rgb(31, 73, 125);" lang="EN-US"><a \
href="mailto:netbackup@whelan-consulting.co.uk" target="_blank"><span style="color: \
blue;">netbackup@whelan-consulting.co.uk</span></a></span><span style="color: rgb(31, \
73, 125);" lang="EN-US"><u></u><u></u></span></p> <p class="MsoNormal"><span><u></u> \
<u></u></span></p><p class="MsoNormal"><u></u> \
<u></u></p></div></div><br>_______________________________________________<br> \
Veritas-bu maillist  -  <a \
href="mailto:Veritas-bu@mailman.eng.auburn.edu">Veritas-bu@mailman.eng.auburn.edu</a><br>
 <a href="http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu" \
target="_blank">http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu</a><br> \
<br></blockquote></div><br>



_______________________________________________
Veritas-bu maillist  -  Veritas-bu@mailman.eng.auburn.edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu


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