Veritas-bu

Re: [Veritas-bu] Solaris 10 zones backup - best practise

2009-06-10 04:59:18
Subject: Re: [Veritas-bu] Solaris 10 zones backup - best practise
From: william.d.brown AT gsk DOT com
To: veritas-bu AT mailman.eng.auburn DOT edu
Date: Wed, 10 Jun 2009 09:54:31 +0100
We are only just starting to do this, but we did some testing and our plan 
is:

Very small servers:

Install NetBackup Standard Client in the Global Zone and backup all file 
systems from there - can only be done if there are no applications like 
Oracle in the non-global zones.

Medium servers:

Install NetBackup Enterprise Client in the Global Zone, backups as above 
but can use SAN Client or SAN Media server to move more data.

Most servers:

Install NetBackup Media Server in the Global Zone, backups as above but 
can install NetBackup Standard Client in a non-global zone with the 
Application & Database pack (Oracle Agent).   That non-global zone would 
backup to the Global Zone Media Server, the internal network is fast. Note 
that under the latest licencing a Standard Client licence is also required 
even to backup the global zone, as the Media Server licence only covers 
backing up the NetBackup software.

It would be possible for a client in a non-global zone to backup to a 
quite different Media Server, so you could have variations of these.  What 
we did have to do was change our installation processes so the Standard 
Client is installed in /opt/openv not /usr/openv.  Otherwise the 
non-global zone inherits the soft link from /usr to /opt from the global 
zone if there is a NetBackup Server product installed in the global zone 
in the default Solaris configuration, and you cannot install the software.

Exclude lists will need very careful construction if there are NetBackup 
clients in the non-global zones.

Originally we were  going to put the PureDisk Deduplication Option plug-in 
onto the Media Server in the global zone, which would have deduplicated 
the data before it left the chassis, but we are not now going to do backup 
to disk.

I have to say that this is not like your approach with storage snapshots, 
and I don't think we yet know what the CPU load impact will be like.

William D L Brown


veritas-bu-bounces AT mailman.eng.auburn DOT edu wrote on 10/06/2009 08:54:09:

> Hello,
> 
> for a couple years we are heavily using Solaris 10 zones.
> So far we backup them using ufsdump/vxdump. We are investigating
> Netbackup as a replacement for ufsdump/vxdump. Our home-made
> backup scripts work more or less in the following way:
> 
> 1. For all <zones>:
>    1.1 zlogin <zone>
>    1.2 shutdown <application - mainly Oracle>
>    1.3 shutdown <zone>
> 
> 2. For all <zones>:
>    2.1 create snapshot and storage checkpoint (depends on license we 
have)
>    2.2 start <zone> (automatic application startup)
> 
> 3. For all vxfs snapshots
>    3.1 vxdump to tape
> 
> 4. For all ufs snapshots
>    4.1 ufsdump to tape
> 
> Basically we need similar approach using NetBackup (or if there is
> more optimized approach - please tell me).
> Can you share your experience regarding this topic ?
> What is your approach ?
> How many zones do you backup using NBU ?
> How long does your backup last ?
> 
> 
> 
> Regards
> Przemyslaw Bak (przemol)
> --
> http://przemol.blogspot.com/
> 
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