Veritas-bu

Re: [Veritas-bu] Restoring from Multiplexed Backup

2008-08-01 16:23:46
Subject: Re: [Veritas-bu] Restoring from Multiplexed Backup
From: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
To: Curtis Preston <cpreston AT glasshouse DOT com>
Date: Fri, 1 Aug 2008 16:08:28 -0400 (EDT)
There is another way:

When you restore from the GUI it _does_ restore in parallel properly.

Justin.

On Fri, 1 Aug 2008, Curtis Preston wrote:

> Nope, that's the only way.
>
>
>
> ________________________________________________________
> Curtis Preston | VP Data Protection
> GlassHouse Technologies, Inc.
>
> T: +1 760 710 2004 | C: +1 760 419 5838 | F: +1 760 710 2009
> cpreston AT glasshouse DOT com | www.glasshouse.com
> <http://www.glasshouse.com/>
> Infrastructure :: Optimized
>
>
>
> ________________________________
>
> From: Jeremy Finn [mailto:jeremy.finn AT gmail DOT com]
> Sent: Friday, August 01, 2008 10:35 AM
> To: Curtis Preston
> Cc: smpt; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Restoring from Multiplexed Backup
>
>
>
> Curtis,
>
> Thank you for your reply.
>
> I have tried your suggestion and it is working. I see a slight
> performance increase when doing the mpx restore now, which should
> translate to higher gains when restoring more data.
>
> One more question for everyone: I need to rename files as well. Is the
> best option to use bprestore -R <renamefile> or is there another trick
> that works better? Can I use the same rename file for each bprestore
> command or should I make one for each stream?
>
> Thanks again,
> Jeremy
>
> On Fri, Aug 1, 2008 at 1:02 PM, Curtis Preston <cpreston AT glasshouse DOT 
> com>
> wrote:
>
> It's been a while since I tested this, but _I_ remember that if you
> wanted it to restore the way he wants, you HAD to issue five different
> restores at the same time and use the restore delay feature to start
> them at the same time.  If you just selected five directories, it did
> them one at a time.  That's why I always did my multi-filesystem
> restores as a loop
>
>
>
> for I in /a /b /c /d /e
>
> do
>
>  bprestore $I
>
> done
>
>
>
> ________________________________________________________
> Curtis Preston | VP Data Protection
> GlassHouse Technologies, Inc.
>
> T: +1 760 710 2004 | C: +1 760 419 5838 | F: +1 760 710 2009
> cpreston AT glasshouse DOT com | www.glasshouse.com
> <http://www.glasshouse.com/>
> Infrastructure :: Optimized
>
> ________________________________
>
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of smpt
> Sent: Friday, August 01, 2008 6:30 AM
> To: 'Jeremy Finn'; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Restoring from Multiplexed Backup
>
>
>
> Do you select all mount points at the same restore?  If yes, then you
> will see only one job, but netbackup will restore all files in one tape
> pass.
>
>
>
> If you start 5 restores the you have to be fast (every restore must
> start within 30 sec, by default). This can be changed from master server
> properties.
>
> stefanos
>
>
>
>
>
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Jeremy
> Finn
> Sent: Friday, August 01, 2008 3:26 PM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Restoring from Multiplexed Backup
>
>
>
> Hello,
>
> I have a standard backup policy configured to stream five mount points
> to one tape drive. This is working fine.
>
> When I do the restore, I only see one stream restoring at a time. Is it
> possible to restore the five streams of data from the multiplexed tape
> at the same time?
>
> Other backup softwarescan do this so I assume Netbackup can as well...
> if some could please point me in the right direction it would be much
> appreciated.
>
> My environment looks like this:
>
> Master: Solaris 10 on SPARC
> Media Server: HP-UX on PA-RISC
> Source Client: HP-UX on PA-RISC
> Target Client: HP-UX on PA-RISC
> Multistream = 5
> Multiplex = 5
> One LTO-1 tape drive
>
> Thank you in advance for any insights.
>
> Jeremy
>
>
>
>
>
>
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