Veritas-bu

Re: [Veritas-bu] Problems with HOT Catalog backups on NBU 6.0 mp4

2008-07-23 09:27:20
Subject: Re: [Veritas-bu] Problems with HOT Catalog backups on NBU 6.0 mp4
From: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
To: Joseph Despres <jdespres AT csc DOT com>
Date: Wed, 23 Jul 2008 09:09:37 -0400 (EDT)
You need to analyze the tape drive utilization at the time of the catalog 
backup.  Also cold catalog backups in 6.x are not recommended as they only 
work 70% of the time.

Justin.

On Wed, 23 Jul 2008, Joseph Despres wrote:

> Hey Justin..............
>
> We just took over this new environment...  So historical data isn't
> there....
>
> The HOT catalog works....  We have a test environment were we have done
> catalog recovers...
>
> Just the timing is way off....  This occurs on both tape and disk....
>
> COLD backups are speedy...  These usually run at 1hr....
>
> Thanks....
>
> Joe Despres...........
> vonage:       1-919-266-1799........
> magicjack:  1-919-665-2554........
>
> Computer Sciences Corporation
> Registered Office: 3170 Fairview Park Drive, Falls Church, Virginia 22042,
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>
> Justin Piszcz <jpiszcz AT lucidpixels DOT com>
> 07/23/2008 08:23 AM
>
> To
> Joseph Despres/GIS/CSC@CSC
> cc
> veritas-bu AT mailman.eng.auburn DOT edu
> Subject
> Re: [Veritas-bu] Problems with HOT Catalog backups on NBU 6.0 mp4
>
>
>
>
>
>
>
>
> On Wed, 23 Jul 2008, Justin Piszcz wrote:
>
>>
>>
>> On Wed, 23 Jul 2008, Joseph Despres wrote:
>>
>>> We have two issues with our HOT Catalog backups:
>>>
>>> 1...  Getting emails stating the backups failed but later it has a
> status
>>> 0...
>>>
>>> 2...  Hot Catalog backup kicks off at 1am....  But doesn't start
> writing
>>> until 4am to 5 am........
>>>
>>> It's critical that we complete the Hot catalog backup before 3 am....
> And
>>> of course this isn't happening!
>>>
>>> We do two Hot Catalog backups per day:  1 to a media server with
> attached
>>> disk and 1 to media server
>>> with attached tape drives...
>>>
>>> Master = Solaris 9 16gig 4cpus
>>> Media  =  Solaris 9 16gig 4cpus
>>
>> Do you have 'Critical policies' enabled (do you have policies in that
> section
>> of the catalog backup policy)?
>>
>> Justin.
>>
>>
>
> Per your response,
>
> Have the hot catalog backups ever worked properly? Do you have a tape
> drive available at the time of the hot catalog backup?  I suggest setting
> VERBOSE = 5 in bp.conf, make the appropriate log directories and see what
> is happening during the time the catalog backup is scheduled to run.
>
> Justin.
>
>
>
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