That was it! I believe that we had the same fix for the same problem.
(It's been over a year...)
At 10:40 AM 6/29/2001 -0400, Jonathan Meyer wrote:
>Robert,
>
>we had a problem which was very similar to the symptoms you describe.
>Our problem occurred on a single solaris master server and exhibited
>the following symptoms.
>
> o Tapes were not unloaded when backups completed.
> o Jobs which were queued never became active.
> o Once the problem started, we could not get anything to run until
> we stopped and started all netbackup processes.
>
>We worked with veritas support on this issue for a while, and they
>could not find anything similar at first.
>
>Eventually, they suggested that similar symptoms can be caused by
>running out of reserved ports on the system. The symptoms above are
>not the listed symptoms caused by running out of reserved ports, but
>apparently running out of these ports can cause unpredictable
>behavior.
>
>If your problem is similar to the one we experienced, there are a
>number of possible solutions discussed at
>http://seer.support.veritas.com/docs/234618.htm.
>
>The solution we implemented was to reduce tcp_close_wait_interval by
>putting the following in our boot sequence.
>
>ndd -set /dev/tcp tcp_close_wait_interval 1000
>
>This change fixed our problem. This was on a solaris 2.6 system. I
>am not sure if the same parameter applies to other OS versions.
>
>As the technote warns, this change should not be made lightly and
>should be closely observed afterward. The solaris default for this
>parameter is 250000, so this is a significant change.
>
>However, for those of you who have the vault product, you may
>recognize that this same change is recommended in the vault manuals to
>solve some problems with duplication on solaris. It is my
>understanding that this parameter will probably not cause adverse
>effects if the systems are connected by a high speed switched network.
>
>The technote describes other possible solutions, and also some details
>about what you might see in your bptm log if this is the problem you
>are having.
>
>--------------------------------------------------
>Jonathan Meyer
>(781)370-6594
>UNIX Systems Administrator
>Paramtric Technology Corporation
>--------------------------------------------------
>
>_______________________________________________
>Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
>http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
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