Actually the main url is www.cdp.com. www.cdpi.com is an alias to the same
site (we would prefer people use the main url, as we intend to drop the
cdpi.com in the (not so near) future.

Btw: If the numbers are reversed (ie the timeout is smaller than the wait)
OTM will "adjust" it for you and do the what you wanted anyway.

rob




-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf Of W. Curtis
Preston
Sent: Monday, May 07, 2001 6:21 PM
To: scott.kendall AT abbott DOT com; Reese, Paul E. (CAP, CMC)
Cc: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: Re: [Veritas-bu] OTM Tuning and NBU 3.4


The URL for CDP is http://www.cdpi.com


At 04:37 PM 5/7/2001 -0500, scott.kendall AT abbott DOT com wrote:

>I believe you may have this backwards in your e-mail.  OTM_Quiescent_Wait
is
>the amount of "quiet" time that must occur before OTM is initialized.
>OTM_Quiescent_Timeout is the window in which the OTM_Quiescent_Wait must
>occur.
>
>Therefore, what you have in your e-mail is telling OTM to wait for 300
seconds
>of quiescent time (time without any writes) within a 60 second window
before
>it can initialize.  I don't know what OTM would do if you told it to look
for
>a longer period of time than the window allowed.  I would guess that there
>would not be any errors, but that the backup would timeout at the 60 second
>mark and start the backup without OTM since it wasn't able to get 300
seconds
>of quiet time.
>
>If there are no problems with open files, I would leave the defaults.
>
>If the client is getting status 1 (partially successful), you probably want
to
>increase the timeout first.  Keep in mind, that if you make this too large
you
>will run into other issues (default for Client Read Timeout on the client
is
>300 sec.).  Once you have the OTM timeout to 2 or 3 minutes, you then
probably
>want to look at decreasing the wait value from the default of 5 seconds
down
>to something like 3.
>
>For more information on OTM look at the web site of the people who write
this
>for Veritas.  I don't know their URL, but the company is Columbia Data
>Products.
>
>
>- Scott
>
>
>
>
>
>                     "Reese, Paul E. (CAP,
> CMC)"
>
>                     <Paul_Reese AT mortgage.ge DOT com>         To:
> "'veritas-bu AT mailman.eng.auburn DOT edu'"
>                     Sent
> by:                             <veritas-bu AT mailman.eng.auburn DOT edu>
>
>                     veritas-bu-admin AT mailman DOT eng.        cc:
>
>                     auburn.edu                           Subject:
> [Veritas-bu] OTM Tuning and NBU 3.4
>
>
>
>
>                     05/04/2001 02:57
> PM
>
>
>
>
>
>
>
>
>
>Has anyone messed around with tuning OTM in connection with NBU 3.4?  I was
>looking for anything to be wary of when changing the OTM_Quiescent_Timeout
and
>the OTM_Quiescent_Wait parms. I have the OTM Tuning white paper, but it
>doesn't tell you much other than what the field is for and the default
value.
>I was thinking of pushing the OTM_Quiescent_Timeout value to 60 seconds and
>the OTM_Quiescent_Wait to 300 seconds.  Thoughts?
>
>
>
>_______________________________________________
>Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
>http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

---
W. Curtis Preston
Principal Consultant for Storage Designs, your storage experts
Webmaster: http://www.backupcentral.com Phone: 760 631 7991

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