Re: [Veritas-bu] Flash backup for mount-points Windows 2003

Hello Tom

Very intested in what version of Netbackup you're running & how you
have set up you VSS & flashbackup

Regards
Michael

2007/10/22, Hall, Christian N. <HallC AT sec DOT gov>:
> Excellent. TY
>
> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of 
> tburrell
> Sent: Monday, October 15, 2007 3:04 PM
> To: VERITAS-BU AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Flash backup for mount-points Windows 2003
>
>
> Chris,
> We set up one mount point as a dedicated caching area, and then let
> Window manage it (using VSS).  Since we are in a cluster the cache has
> to be in the same resource group, but it can be shared by all the other
> mount points in that group.  Works very well.
>
> Tom
>
>
> Hall, Christian N. wrote:
> > Tom,
> >
> > Thanks for the information provided, but I have one more question. I
> > have 10 - 30 LUNS 272GB in size housing millions of small files (77KB
> > size) across 16 windows 2003 media servers.
> >
> > Did you have a customized dedicated disk caching area or did you have
> > Netbackup manage the cache file sizing for you?
> >
> > Thanks,
> > Chris Hall
> >
> >
> > -----Original Message-----
> > From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> > [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
> tburrell
> > Sent: Friday, October 12, 2007 3:25 PM
> > To: VERITAS-BU AT mailman.eng.auburn DOT edu
> > Subject: [Veritas-bu] Flash backup for mount-points Windows 2003
> >
> >
> > Chris,
> > we did experience one issue with timeouts for large volumes with
> massive
> > numbers of small files (ie: 500GB file system at 90% full, average
> file
> > size 11k), which was resolved back at MP4 for 5.1.  Otherwise our
> speeds
> > have always been significantly better than standard file backups
> without
> > any special tweaking.  We also found that using DSSU's in combination
> > with Flashbackup gave the best performance- not really a surprise
> there.
> >
> >
> > Of course, if you have mostly empty volumes you pay a huge price in
> > terms of size and overall time, but I'm sure you knew that.  In
> general
> > we have found that we get excellent results using the same settings
> that
> > work best in the rest of the environment.
> >
> > Tom
> >
> >
> >
> > Hall, Christian N. wrote:
> >
> > > Tom,
> > >
> > > I had the syntax resolved thanks to all that have responded.
> However,
> > >
> > I
> >
> > > noticed that my flash-backups speeds are less then traditional
> > >
> > backups.
> >
> > > Are you aware of tuning suggestions other then buffer_size and # of
> > > buffers available that you have used? Have you experimented with
> > > fragment sizes?
> > >
> > > Thanks,
> > > Chris Hall
> > >
> > >
> > > -----Original Message-----
> > > From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> > > [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
> > >
> > tburrell
> >
> > > Sent: Friday, October 12, 2007 2:41 PM
> > > To: VERITAS-BU AT mailman.eng.auburn DOT edu
> > > Subject: [Veritas-bu] Flash backup for mount-points Windows 2003
> > >
> > >
> > > Chris,
> > > To be a little more definitive- 5.1 does support Windows
> Flashbackup-
> > > it's kind of hidden on the top of page 105 of the "Advanced Client
> 5.1
> > > System Administrator's Guide"- they slipped it in as an example in
> > >
> > step
> >
> > > 10.
> > >
> > > We used it extensively (have now upgraded to 6) but it worked very
> > >
> > well.
> >
> > >
> > > Tom Burrell
> > >
> > >
> > > Hall, Christian N. wrote:
> > >
> > >
> > > > All,
> > > >
> > > > Veritas Netbackup 5.1MP6
> > > > Master server Solaris 8
> > > > T9940B tape drives X 26
> > > > ACSLS 7.1
> > > > SSO
> > > > Windows 2003 media servers X 20
> > > > Emc Symetric storage
> > > > EMC Clarrion Storage
> > > > EMC 9820-E HBA
> > > > Cisco 9513 SAN
> > > > Quantum DX-100 VTL
> > > > DECRU 1020
> > > >
> > > > According to VERITAS published documentation I am reading.
> > > >
> > > >
> > > Fash-backups does not support mount-points on version 5.0. Does this
> > > also apply for 5.1? I have not found documentation for 5.1 that says
> > >
> > the
> >
> > > contrary. Is there anyone out there that's using flash-backup with
> > > mount-points with 5.1?  Any help would be appreciated.
> > >
> > >
> > > >
> > > > Thanks,
> > > > Chris Hall
> > > >
> > > >
> > >
> > >
> > >
> > >
> >
> +----------------------------------------------------------------------
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> > > |This was sent by tburrell_mn AT yahoo DOT com via Backup Central.
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> > >
> > >
> >
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> > >
> > >
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> >
> >
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