ADSM-L

[ADSM-L] jbb buffer errors

2016-09-07 11:55:49
Subject: [ADSM-L] jbb buffer errors
From: "Rhodes, Richard L." <rrhodes AT FIRSTENERGYCORP DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 7 Sep 2016 15:53:42 +0000
This one is strange.

One of our Win 2008 server with v6.3 client that is getting jbb buffer errors:

==> jbberror.log
07/01/2016 13:35:17 ANS0361I DIAG: ReadFsChangesThread(tid 7340): 
ReadDirectoryChangesW: Unable to process change notification buffer,  the 
buffer size may be need to be adjusted to avoid this problem in the future.
07/01/2016 13:35:17 ANS0361I DIAG: ReadFsChangesThread(tid 7340): exiting 
thread.
07/01/2016 13:35:17 ANS0361I DIAG: psFsMonitorThread(tid 6440): Notification 
buffer overrun for monitored FS 'G:\', journal will be reset.
07/01/2016 13:35:17 ANS0361I DIAG: jnlDbCntrl(): Resetting journal for fs 'G:'.
07/26/2016 10:52:30 ANS0361I DIAG: ReadFsChangesThread(tid 3768): 
ReadDirectoryChangesW: Unable to process change notification buffer,  the 
buffer size may be need to be adjusted to avoid this problem in the future.
07/26/2016 10:52:30 ANS0361I DIAG: ReadFsChangesThread(tid 3768): exiting 
thread.
07/26/2016 10:52:30 ANS0361I DIAG: psFsMonitorThread(tid 3776): Notification 
buffer overrun for monitored FS 'F:\', journal will be reset.
07/26/2016 10:52:30 ANS0361I DIAG: jnlDbCntrl(): Resetting journal for fs 'F:'.


In googling we find this article:    
http://www-01.ibm.com/support/docview.wss?uid=swg21620688
>Even though the "Tivoli Storage Manager (TSM) Journal Based Backup FAQ"
>recommends to increase the notification buffer size, it is not applicable in 
>all cases.
>Therefore the recommendation of the Tivoli Storage Manager support is to 
>adjust the
>notification buffer so that the buffer overflow does not occur, increasing or 
>(in most cases)
>DECREASING the notification buffer size.

I don't understand decreasing a buffer to prevent an overflow.



Any thoughts about this are welcome!


Rick


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