On Mon, 22 Sep 2008, Robb Wagoner might have said:

> I want to send the monthly full backups off-site for DR purposes. I
> also need to keep an on-site copy of the full backups on-site in the
> event of non-DR restores.
> 
> My thoughts are to use either:
> 
> 1. bcopy. Keeping track of  the tapes that are used for full backups
> and which of those have been duplicated.
> 2. Migration. Full backups are written to an Off-Site Pool and
> migrated to an On-Site Pool.
> 
> I don't have adequate disk space to make one of the pools file-based,
> which means that for either 1., or 2., I won't be able to run any
> other jobs while the duplicating process (Migration or bcopy) is
> running as both tape drives will be in use.
> 
> My inclination is to use Migration:
> 
> * Pool "Offsite" with 6 month retention period; "Volume Use Duration"
> of a several days so that the jobs on a partially used tape are
> migrated; "Next Pool" = "Onsite"
> * Pool "Onsite" with 1 month retention period
> * Full backup jobs use pool "Offsite"
> * Migrate jobs from "Offsite" to "Onsite"
> * Set Migration job priority lower than backup jobs so that they are
> effectively done when nothing else is going on.
> 
>  I will then have to create a custom SQL query (query.sql) to
> determine which tapes that are in pool "Offsite" & in the library &
> have been fully migrated. These are the tapes that are ready to be
> sent off-site.
> 
> 
> I am wondering what others do for this. . .
> 
> Thanks,
> Robb

Hi Robb,

I have 2T of disk that I store all my backups on. My last job of the
night copies the disk volumes that were modified to tape. Each morning
I send the tape off site. I do fulls the first weekend of each month
and am currently writing about 12 DLT 4 tapes.

I'm not using migration.

Mike

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