Re: Looking for your thoughts, please

2004-02-05 Thread Glen Shubert 

Dave,

We use DASD logging, and then let DFHSM migrate the archive logs to tape after 1 day.  They are kept for 14 days and then rolled off.  We found this to be a much cleaner process and don't fill up the DASD or use unnecessary tapes.  We modeled the migrate off of our IMS and DB2 archives.

Glen Shubert
[EMAIL PROTECTED]
Associate Director
TSYS - MQSeries Technical Support







"Williams, Dave (Systems Management)" <[EMAIL PROTECTED]>
Sent by: MQSeries List <[EMAIL PROTECTED]>
02/05/04 08:51
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        Subject:        Looking for your thoughts, please

Presently, one of our more active QMGRs is set up w/four primary and secondary logs – each 1000 cyls. We then archive to tape. The size of the logs and the all over process is performing well. However, management has raised the issue of when we have to apply maintenance to our tape system we are required to quiesce MQ, for fear that the logs will fill, archiving (tape system down) won't work and we'll be in a fine mess. And during even non-peak times the logs switch often.
We could 1) go to DASD archiving, but it seems to me a lot of resource required in pool DASD – plus it would still have to archive to tape in time (which I don't think would be long) anyway. 2) Switch to DASD archiving only during these maint. periods, but this requires a sort of baby sitting approach – make the parm change, keep an eye on the archives filling up…  kind of a drag. 3) Stay as we are (I like this one) – just ensure that the tape maint. is done during our usual bi-weekly maint. window. 
Your thoughts are appreciated – since we've increased the number of and resized our logs the whole process has been problem free and very smooth. 
Thanks, 
Dave       


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Re: Looking for your thoughts, please

2004-02-05 Thread Bright, Frank 
Title: Message





Dave
 
Archive to properly sized DASD SMS managed pool and let DFHSM
migrate to compressed tape directly is one option.
 
This
will work for what you need.
 
Best
of luck
Frank 

   -Original
  Message-From: MQSeries List [mailto:[EMAIL PROTECTED]
  On Behalf Of Williams, Dave (Systems Management)Sent:
  Thursday, February 05, 2004 8:51 AMTo:
  [EMAIL PROTECTED]Subject: Looking for your thoughts,
  please
  Presently, one
  of our more active QMGRs is set up w/four primary and
  secondary logs - each
  1000 cyls. We then archive to tape. The size of the logs and the all over
  process is performing well. However,
  management has raised the issue of when we have to apply maintenance to our
  tape system we are required
  to quiesce MQ, for fear that
  the logs will fill, archiving (tape system down) won't
  work and we'll be in a fine mess. And during even non-peak times the logs
  switch often.
  We could
  1) go to DASD archiving, but
  it seems to me a lot
  of resource required in pool DASD - plus
  it would still have to archive to tape in time (which I don't
  think would be long) anyway. 2) Switch to DASD archiving only during these
  maint. periods, but this requires
  a sort of baby sitting approach - make the parm change, keep
  an eye on the archives filling up...  kind of a drag. 3)
  Stay as we are (I like this one) - just ensure that the tape
  maint. is done
  during our usual bi-weekly maint. window. 
  Your
  thoughts are appreciated - since we've increased the number of
  and resized
  our logs the whole process has
  been problem free and very smooth.
  
  Thanks,
  
  Dave   



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