Folks,
Just in case there is confusion:
NetBackup configuration, excluding images, in minutes.........
98GB of catalogs in 2.5 hours.
Leo
-----Original Message-----
From: Labonte, L R (Leo), SITS
Sent: Monday, November 26, 2001 2:33 PM
To: Jeff Kennedy; larry.kingery AT veritas DOT com
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] NBU master server catalog size concerns
Folks,
Our total images size is 98GB, but we are able to back up
our NetBackup configuration in minutes. We perform regular
backups of the images across two media servers and a tape
drive per media server. We don't use compression, are able
to do NetBackup configurations while catalogs are getting
backups, and multiple tape drives give us similar backup
performance to the built in mechanism. Best of all, we can
keep adding disk drives to our catalog arrays, knowing
that we are no longer confined to a single tape's capacity.
We have quadrupled our catalog tape capacity.
I sleep great at night, and when the load eventually
gets balanced out, we will be able to back up the entire
98GB in 2.5 hours. :)
Leo
-----Original Message-----
From: Jeff Kennedy [mailto:jlkennedy AT amcc DOT com]
Sent: Monday, November 26, 2001 12:51 PM
To: larry.kingery AT veritas DOT com
Cc: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] NBU master server catalog size concerns
Larry,
Does Veritas have any plans to make the catalogue more efficient? I
have figured that the catalogue takes about 3% of the total data backed
up, which can be huge in current environments and it will do nothing but
get bigger. I realize that compression is an option but that can lead
to issues in time to restore, which is why we backup in the first
place.....
Thanks.
~JK
Larry Kingery wrote:
>
> The master size can become an issue. At around 20GB, it can take an
> hour or so to backup (or restore), and during that time no backups can
> be initiated. When it gets to the point where it will no longer fit
> on a single tape, you have to add a second step to the database backup
> process.
>
> The layout of the "database" is just a hierarchy of files. There are
> of course a few which are critical in that they affect the whole
> system, but the vast majority (both in size and number) have no
> dependence on each other. They're just files, and if one gets dinged
> you can restore it from backup, or scan the tape, etc.
>
> You've got a long time before you have anything to worry about.
> Personally, I'd take some time to walk through the DR process (chap 5,
> troubleshooting guide) and make sure your catalog backups are
> configured correctly and restorable, and document the process in your
> own words.
>
> chad.haywood AT storability DOT com writes:
> > Hi,
> >
> > As someone familiar with Legato Networker 5.x index stability issues, I
> > was concerned to learn that a Netbackup 3.4 master server I recently
> > assumed responsibility for has a master server catalog size of 1.6 Gig
due
> > to NFS mounted backups. In a Networker environment I would have made
> > shrinking this a major priority to avoid likely headaches should a DR
> > situation arise. From those of you with more Netbackup experience, is
the
> > master catalog size a major issue in a DR situation? Obviously it will
> > impact the time needed to recover the master's catalog, but how likely
is
> > it to cause difficult to resolve issues due to corruption or other
> > problems?
> >
> > Thanks,
> > Chad
> >
> > Chad Haywood
> > Senior Solutions Engineer
> > Storability, Incorporated
> > www.storability.com
> > _______________________________________________
> > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
> --
> Larry Kingery
> It's not if, it's when and how hard
> _______________________________________________
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
--
=====================
Jeff Kennedy
Unix Administrator
AMCC
jlkennedy AT amcc DOT com
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