Veritas-bu

[Veritas-bu] LTO-3 and MPX

2006-11-25 01:46:40
Subject: [Veritas-bu] LTO-3 and MPX
From: simon.weaver at astrium.eads.net (WEAVER, Simon)
Date: Sat, 25 Nov 2006 06:46:40 -0000
Just for the record, last night setoff a policy which normally streams 5
jobs to 2 drive.

This time, configured for 3 streams to 3 drives. Just got into work and
found its MUCH SLOWER than the week before !!

So I will revert back !!



Regards

Simon Weaver
3rd Line Technical Support
Windows Domain Administrator

EADS Astrium Limited, B23AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU

Email:  <mailto:Simon.Weaver at Astrium-eads.net> Simon.Weaver at 
Astrium-eads.net

-----Original Message-----
From: Paul Keating [mailto:pkeating at bank-banque-canada.ca]
Sent: 23 November 2006 13:42
To: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] LTO-3 and MPX



If you backup server can handle the incoming IP traffic, and you can get it
to the drives......it will be great.

I found best aggregate performance for LTO2 and LTO3 with my GigE clients @
MPX=2, and my 100Mb/s clients @ MPX=8.

Paul

--

-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Hampus Lind
Sent: November 23, 2006 2:15 AM
To: veritas-bu at mailman.eng.auburn.edu
Subject: [Veritas-bu] LTO-3 and MPX



Hi all,



How good/bad are LTO-3 drives when it comes to multiplexing? Would we see
great performance degradation if we set MPX to 4 on 1 LTO-3 drive and the
run 4 simulations backups to that drive?



I understand it can depend a lot on our clients as well...

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