Veritas-bu

[Veritas-bu] Backup to Disk?

2004-05-27 14:28:39
Subject: [Veritas-bu] Backup to Disk?
From: jimh AT federaledge DOT com (Jim Horalek)
Date: Thu, 27 May 2004 11:28:39 -0700
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Several ways to do this.
Just disk. SATA or ATA raids are adequate.
No compression. Except on client.
What happens when the disk is full? Netbackup just errors out.
The goal is to look like Tivoli(everything stays on disk and eventually =
goes
to tape)

Propriety software. Monitors disk space
        Some do tape emulation (acts as a standalone tape drive)
        Some do tape and library emulation (usually will cost more because
Veritas charges for each tape in library)
        Some compress some not..
      How does an emulated LTO-2 fit on an real SDLT200 drive when =
migrating
to tape.(not the same size)
        Some write to tape first and read it back to disk.
www.diligent.com
www.alacritus.com

Proprietary hardware. Combination of above. Iscsi, fibre options.=20
        Overland, ADIC=20
        Most disk/Raid vendor have some software to addon to do this now
(another way to sell disk)

NBU 5.0 has a "disk staging storage unit" to migrate the data to tape =
later.

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 I Claudius
Sent: Thursday, May 27, 2004 10:46 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Backup to Disk?


Hello,

My company is evaluating doing backup to disk. We are
using NBU as our backup application. Has anyone here implemented Backup =
to
Disk? We are looking at Data Domain's product, www.datadomain.com. I =
talked
with them at Vision and they seem to have some good customer references,
Documentum, WebEx, Borland, to name a few. Have any of you talked to =
them or
tested their product? Benefits we see are:

1) Use our existing backup sw, NBU.
2) 20x or greater compression
3) Backup throughput of 50mb/s
4) Data verification, meaning we won't get corrupt
data like we do today when we try to restore from tape
(we all know that his happens sometimes)
5) Ability to have quick restores since I can have a
2-6 month retention of data on their platform.

I would love to hear some feedback and thoughts.

thanks
Cameron


=09
        =09
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