Rusty
Different EVA, but the EVA I have a 4TB Disk presented to does have other
systems attached!
Problem I see with EVA is that its not really a "physical" disk its backing up
to! Its virtual.... a Volume made up of any disk. Its a large LUN I guess
s.
________________________________
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Monday, October 11, 2010 8:31 PM
To: WEAVER, Simon (external)
Cc: [email protected]; [email protected]; Lightner,Jeff;
[email protected]
Subject: Re: [Veritas-bu] D2D or Tape Libraries
You're probably running into disk IO issues with all of the other data. Are you
reading the data off the same EVA array that you are writing it to?
Rusty Major, MCSE, BCFP, VCS ▪ Sr. Storage Engineer ▪ SunGard Availability
Services ▪ 757 N. Eldridge Suite 200, Houston TX 77079 ▪ 281-584-4693
Keeping People and Information Connected® ▪ http://availability.sungard.com/
<http://availability.sungard.com/>
P Think before you print
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"WEAVER, Simon (external)" <[email protected]>
Sent by: <[email protected]>
10/11/2010 09:45 AM
To
"Lightner, Jeff" <[email protected]>, <[email protected]>,
<[email protected]>, <[email protected]>
cc
Subject
Re: [Veritas-bu] D2D or Tape Libraries
LTO4 drives/Tapes
Disks are vdisks from eva6400 - 4TB Volume RAID5 setup.
HP EVA is an enterprise array Solution. Many systems SAN attached fibre.
S.
________________________________
From: Lightner, Jeff [mailto:[email protected]]
Sent: Monday, October 11, 2010 1:51 PM
To: WEAVER, Simon (external); [email protected]; [email protected];
[email protected]
Subject: RE: [Veritas-bu] D2D or Tape Libraries
It would depend a lot on what your “disk”(s) and “tape”(s) are. We typically
see much faster backup to Data Domain than to Ultrium Tape.
Is your target “disk” part of the server itself? Externally attached storage?
SAN? NAS? iSCSI? ATA drives? Fibre drives? SSD Drives? Is it JBOD?
RAID1? RAID5? RAID10? Are you doing dedupe? If so is it at the server or
at the target?
________________________________
From: [email protected]
[mailto:[email protected]] On Behalf Of WEAVER, Simon
(external)
Sent: Monday, October 11, 2010 5:11 AM
To: [email protected]; [email protected];
[email protected]
Subject: Re: [Veritas-bu] D2D or Tape Libraries
I ran a test backup to Disk and found that the backup took over 7 hours. when
running the same backup to tape, it took 5 hours!
The files was a mixture of small profile type files and folders.
So not too impressed with the speed. Unless some tuning can be done ?
________________________________
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Friday, October 08, 2010 5:07 PM
To: [email protected]; [email protected]
Subject: Re: [Veritas-bu] D2D or Tape Libraries
Watching this thread I have to put in my 2 cents.
One of the key points is having to have copies offsite.
So our search of de-dup has to include replication to the dr site where we have
a live master, and we need to be able to mount that replicated copy on to that
master to be able to do restores.
From: [email protected]
[mailto:[email protected]] On Behalf Of Wayne T Smith
Sent: Friday, October 08, 2010 10:36 AM
To: [email protected]
Subject: Re: [Veritas-bu] D2D or Tape Libraries
On Fri, Oct 8, 2010 at 10:49 AM, <[email protected]
<mailto:[email protected]> > wrote, in part:
...
This would be a very good time for you to investigate utilizing client side
de-dupe, Pure Disk, Media Server De-Dupe, one of the NBU appliances (which have
storage built in), or a Data Domain.
...
or a Quantum ;-)
Cheers, Wayne
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