[Veritas-bu] Netbackup & LTO performance
2002-06-06 12:10:18
Subject: |
[Veritas-bu] Netbackup & LTO performance |
From: |
begrn AT wmdata DOT no (Grønås Bengt) |
Date: |
Thu, 6 Jun 2002 18:10:18 +0200 |
I second that!
Remember the 3:1 rule. To achieve this speed on the LTO drive you need a
feed-speed 3 times higher. Will you really get 45MB/s over a 100Mbit LAN?
Does your raid controller keep up? Is your processors good enough for true
gigabit.... and so forth :-)
*B*
> -----Original Message-----
> From: WEAVER, Simon [mailto:Simon.WEAVER AT astrium-space DOT com]
> Sent: 29. mai 2002 15:00
> To: 'veritas oracle sun'
> Cc: 'veritas-bu AT mailman.eng.auburn DOT edu'
> Subject: RE: [Veritas-bu] Netbackup & LTO performance
>
>
> Forget it!!!!!
> The client I work for sent some staff off to a seminar to
> talk about LTO.
> They were told of GREAT speeds and HUGE compression capability!
>
> What they forgot to mention is that it all depends on:
>
> Your LAN / WAN
> Hardware Configuration
> Amount of Data (small files are a killer)
> Compression!
>
> We don't get the specs we were quoted! I don't think many people do!
>
> Simon Weaver
> NT Domain Administrator
> Ext. 5544
> Tel: 02392-705544 (Direct Dial)
> Simon.Weaver AT Astrium-Space DOT com
>
> -----Original Message-----
> From: veritas oracle sun [mailto:vos2002 AT indiatimes DOT com]
> Sent: 29 May 2002 11:42:AM
> To: NB
> Subject: [Veritas-bu] Netbackup & LTO performance
>
> Hi all
> Currently we are doing testing of HP Ultrium Drives
> We are using SAN env. to perform backup
> Netbackup is configured on Solaris 8 & NBU 3.4 Datacenter
> As per LTO specification 100GB/Hrs is minimum speed
> But I am getting on 67GB/HRS in SAN env.
> I did tunning Buffer Size Number of buffer and /etc/system
> shared memory
> parameters
> but no improvement
> If any one achive above speed pls mail me configuration done
> @ your end
> Thanx & Regards
>
> Pravin Kudav
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