Maybe I'm missing something but why would you not simply configure the
Networker backup job to create a clone to a tape pool on completion?
This has been working perfectly fine for us for quite some time. The
backup is to disk and the clone is to tape which then goes offsite...

Alex

> -----Original Message-----
> From: Legato NetWorker discussion
[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
> On Behalf Of Werth, Dave
> Sent: Wednesday, 19 July 2006 8:12 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: Re: [Networker] Cloning from Disk
> 
> Thanks to Preston, Stuart, Librado, & Darren for there replies
regarding
> VTL's.
> 
> We have a relatively simple Networker configuration here, 8 Windows
> servers,
> 1 Windows workstation & 1 Solaris server.  The only BSM we use is for
MS
> Exchange.  A full backup takes about 7.5 hours and another 7 hours for
> cloning (around 300 GB backed up).  The full Exchange backup takes
about 3
> hours including cloning (60 GB).
> 
> The main reason we're looking at disk backup is to speed up recovery.
> About
> a year ago we had a component fail on the RAID array on our main file
> server.  It took IBM 4 days to find the problem then it took us 1+ day
to
> restore the array from AIT-2 tapes.  (We now have AIT-4 drives which
are 4
> times as fast).
> 
> So the impetus to look at disk backup is to improve that restore time
to
> near the of speed disk to disk transfers.  If we could achieve that
with
> VTL
> technology I think that would be the way to go for us.  We would
probably
> back up to the VTL then clone that to a tape for off-site storage.  We
> don't
> need to keep more than about 5 weeks of backups at one time.
> 
> Spectralogic (the vendor of our current library) has an interesting
VTL
> product they call RXT.  The disks are removable RAID packs (RAID 0, 1,
> 0+1,
> or 5).  It's probably kind of spendy but might be just what we need.
> 
> Thanks again, Dave.
> 

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