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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