Veritas-bu

[Veritas-bu] SOLUTION - Serious master issue...

2007-02-16 09:57:02
Subject: [Veritas-bu] SOLUTION - Serious master issue...
From: jpiszcz at lucidpixels.com (Justin Piszcz)
Date: Fri, 16 Feb 2007 09:57:02 -0500 (EST)
Good to know, nice follow-up! Thanks!

On Fri, 16 Feb 2007, Hampus Lind wrote:

> Hi all,
>
>
>
> We got Syamntec consulting to find and solve the problem for us.. (of course
> for a price)
>
>
>
> They found that we had 3 oracle clients that very querying the image
> database like crazy... Which caused bpdbm and bprd to start new process all
> the time..
>
>
>
> When I presented this for support they all of a sudden found that this was a
> known problem which where to be solved in MP7.
>
>
>
> We have 3 oracle crosschecks from 3 different clients which had been running
> for over a month causing these problems.
>
>
>
>
>
> Answer from support:
>
>
>
> As promised here is a list of possible workarounds which may help relieve
> the problems you are experiencing. The bug report that we have opened for
> this is titled "RMAN catalog maintenance functions taking too long and use
> excessive resources on the master server."  -
>
>
>
> Workaround:
>
> Until the fix is released in a NetBackup Maintenance Pack, there are several
> things which can decrease the time required for RMAN maintenance.  Implement
> these recommendations in the order shown, testing after each change, until
> the maintenance time required is within an acceptable time.
>
>
>
> - Schedule crosscheck or other maintenance functions to run more frequently.
> If they are running only once a day, schedule them to run several times
> during the day.
>
>
>
> - If there are multiple Oracle hosts running maintenance functions, stagger
> the start time of the jobs so they do not overlap.
>
>
>
> - Change the RMAN script so there are multiple backup files or logs per
> backup set rather than a single file or log per set.
>
>
>
> - Change the RMAN script so the backup piece name format statement
> includes_%t as the last format specification.
>
>
>
>
>
>
>
>
>
> Now I will raise hell and learn Symantec support (especially the once we had
> in US) some really nasty Swedish words. :-)
>
>
>
>
>
> I would like to thank all of you on this list, you have been great.
>
>
>
>
>
> Kind regards,
>
>
>
>
>
>
>
> Hampus Lind
>
> Rikspolisstyrelsen
>
> National Police Board
>
> Tel dir: +46 (0)8 - 401 99 43
>
> Tel mob: +46 (0)70 - 217 92 66
>
> E-mail: hampus.lind at rps.police.se
>
>

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