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Also Netbackup 5.0 encourages you to start using Disk as a staging area =
for
duplication.
ATA Disk is really cheap now.

Jim

-----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 Donaldson,
Mark
Sent: Tuesday, February 10, 2004 9:14 AM
To: 'King, Cheryl'; Veritas-Bu (E-mail)
Subject: RE: [Veritas-bu] Data duplicating questions


Demultiplexing is costly in terms of time.  If you're duplicating the =
entire
contents of the tape, you might see if adding the -mpx flag to your
bpduplicate command will reduce the dup time. =20

I have a multiplexed policy for clients that I don't duplicate and a
demultiplexed policy that is for the clients I dup.  It cut my =
duplication
time from days to hours to make this change. =20

I dont' think vault will speed things for you, I think it's just =
wrapping
around the standard duplication stuff.

One big consideration is moving up to v5.0 of NB.  It supports in-line =
tape
copy.  This will let you make two copies of your backup at the same time
(with individual retention periods and pools).  No more duplication =
after
the fact.  It's much more efficient as the original doesn't have to be
mounted to be read to create the new duplicate.

This ability is only in the vault add-on for v4.5.

-M

-----Original Message-----
From: King, Cheryl [mailto:cheryl.king AT intrado DOT com]
Sent: Tuesday, February 10, 2004 9:02 AM
To: Veritas-Bu (E-mail)
Subject: [Veritas-bu] Data duplicating questions


Currently we are running cumulative differentials 6 days a week and =
fulls
once a week.  We duplicate everything and send it offsite for a few =
weeks
than archive it for a few years.  The business goal is to be able to go =
back
to any day and recreate the data.  It worked OK for several months but =
now
I'm not able to get all the duplicates finished.  We added a couple of =
tape
drives which helped and we're adding another in April.  The tapes are
multiplexed and of course the dups are not.  We don't have NBU Vault. =20

I'm wondering if Vault would give us better performance or is it just =
for
managing the duplicates and offsite storage?  Will Vault draw out the =
backup
window to where I can't make that either?  I also want to know how much =
it
costs but I have a reseller that is checking on that.

My other questions are if you all duplicate your data and send it =
offsite
everyday, keeping current data onsite for restores.  We don't have SLAs =
set
up with our business units.  They sometimes seem surprised when I tell =
them
I can do their restore right now, so I'm guessing they would be ok with =
next
day most of the time.  Our offsite service comes everyday but can of =
course
do emergency drop off for a price. =20

I've only been supporting Veritas NBU since March and am grateful for =
this
Email list and everyone who shares their experiences on it.

NBU 4.5 FP5 Solaris 8

Cheryl King
System Administrator II

Intrado Inc.
1601 Dry Creek Drive
Longmont, CO 80503
direct: 720.864.5162
mobile: 720.840.4786
page:  303-207-4648
fax: 720.494.6600
email: cheryl.king AT intrado DOT com

Intrado.(r) Informed Response. (r)
www.intrado.com=20

ATTENTION:

The information contained in this electronic message and any attachments =
to
this message are intended for the exclusive use of the addressee(s) and =
may
contain confidential or privileged information. If you are not the =
intended
recipient, please notify Intrado Inc. immediately at 720.494.5800 and
destroy all copies of this message and any attachments.




_______________________________________________
Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

_______________________________________________
Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

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