Veritas-bu

RES: RES: RES: [Veritas-bu] Netbackup clients with gigabit interface

2005-07-08 14:12:51
Subject: RES: RES: RES: [Veritas-bu] Netbackup clients with gigabit interface
From: eyamada AT diveo.net DOT br (Edson Noboru Yamada)
Date: Fri, 8 Jul 2005 15:12:51 -0300
I´m using only one stream, actually.

I would be glad if I could got 30 MB/s or a little less...
but 12 MB/s is not acceptable.

thx


-----Mensagem original-----
De: Paul Keating [mailto:pkeating AT bank-banque-canada DOT ca]
Enviada em: sexta-feira, 8 de julho de 2005 14:38
Para: Veritas List
Assunto: RE: RES: RES: [Veritas-bu] Netbackup clients with gigabit
interface


How fast does a single (one stream) backup jobs run?

I'm wondering if you're thrashing the disks to hard with 8 streams.

BTW, 70MB/s is a stretch for LTO2.
IIRC, I thought the spec was 30MB/s native / 60 MB/s compressed.

I don't think I've seen over 40MB/s per drive.

Paul

> -----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 
> Edson Noboru Yamada
> Sent: July 8, 2005 12:49 PM
> To: K Chapman; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RES: RES: RES: [Veritas-bu] Netbackup clients with 
> gigabit interface
> 
> 
> 
> 
> Actually, I don't think this is a network or disk issue,
> because I can FTP a file from the server to the client at
> 40 MB/s. My drives are HP LTO2, and they reach 70 MB/s.
> So, it seems to be a netbackup problem really.
> 
> Thank you
> 
> 
> -----Mensagem original-----
> De: K Chapman [mailto:tech2187 AT yahoo DOT com]
> Enviada em: sexta-feira, 8 de julho de 2005 11:43
> Para: veritas-bu AT mailman.eng.auburn DOT edu
> Assunto: Re: RES: RES: [Veritas-bu] Netbackup clients with gigabit
> interface
> this is "out of the box" speeds for the most part.  we
> have changed some settings on unix hosts and a few
> windows server (tcp window sizes).  we are looking at
> doing a vlan with jumbo frames turned on to see if
> this may improve on things.  are you sure the speed
> you are seeing is due to network and not disk/tape/other?
> 
> 
>               
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