I have to agree.  You need to be aware of the length of time it would
take to complete your backups over a T1.  Depending on the amount of
data to be backed up.  You may find backups running overnight and into
your production days.  Severly impacting bandwidth that should be made
available to your end users.  Perform a baseline test and study your
results.  Also most of us techs don't tend to focus on budgets.  Media
server licenses are not free and may play a role in your decision.  It
is a balancing act.  But not a difficult one.

Best,
Darby 

-----Original Message-----
From: Coco, Samuel (Cont, ARL/CISD) [mailto:scoco AT arl.army DOT mil] 
Sent: Wednesday, June 02, 2004 7:53 AM
To: Lee, Kenneth; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Long Distance Backup

Ken,

   Netbackup can handle it.  The only problem is that due to speed
restrictions - you will probably only be able to get one full backup per
server per month.  Restores would be even more traumatized.  Especially
with the 'timeouts' you'd get.  You best performance would be to have
sized media servers at the remote sites and controlled from HQ.  Tape
duplication during off peak times to HQ would also be a possibility.

Thank you,
 
 
Samuel J. Coco, STG
Functional Area Manager, ARL
Sr UNIX Administrator
BELL      301 394-1151 DSN 290
CELL (B) 240 398-7121 / (H)443 496-1623
HOME     410 604-2415
Email  scoco AT arl.army DOT mil


-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Lee,
Kenneth
Sent: Tuesday, June 01, 2004 7:49 PM
To: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Long Distance Backup


I am located at company headquarters where my main NetBackup server is
located.  Now, they want me to start backing up branch servers out in
the field.  Some locations have T1 and some have fractional T1.  Servers
range from 10 GB up to 140GB of data.  What methods are best for long
distance backups?  Should I install media servers at some branch
locations?  How reliable is restoring at long distances?  Can NetBackup,
or for that matter, any backup software, be able to handle long distance
backup with a T1 link? Any comments would be greatly appreciated.

Many Thanks,
Ken 

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