Re: LTO Autoloader 3581 speed problem
2002-04-16 06:18:40
Subject: |
Re: LTO Autoloader 3581 speed problem |
From: |
Francisco Molero <fmolero AT YAHOO DOT COM> |
Date: |
Tue, 16 Apr 2002 12:18:57 +0200 |
You need to do performance test :
In the client options:
1.- TCPW
2.- TCPB
3.- TCPN
4.- TXNB
5.- Largecommb
In the Server options.
1.- MOVEBatchsize
2.- MOVESizethreshold
3.- USELARGEBuffers
4.- buffpoolsize
5.- Logpoolsize
6.- TXNG
and no use the self.. parameters.
Regards
--- Praveen Kumar <pavikumar AT HOTMAIL DOT COM> escribis: >
Hi all,
>
> I have an IBM LTO Autoloader 3581 connected to SUN
> E250 Server using PCI
> SCSI adapter(X6541A). I have configured TSM and TDP
> for SAP R/3. I am
> getting a data transfer rate of 30GB/hour when I
> take the backup of SAP
> database. I have another autoloader which is IBM
> Magstar 3570, connected to
> SUN Enterprise 3000 server using Sbus card, through
> which I am getting
> backup speed of 40GB per hour. SAP data file sizes
> are 500MB, 1GB and 2GB
> etc. We downloaded latest microcode for LTO
> autoloader and updated it. Still
> there is no improvement in the speed. IBM claims LTO
> speed of 30MB/sec in
> compressed mode which means near about 100GB/hour.
> What may be the problem
> in my LTO setup. Please help.
>
> All suggestions are most welcome and highly
> appreciated.
>
> Thanks & Regards
>
> Praveen
>
>
_________________________________________________________________
> Join the world s largest e-mail service with MSN
> Hotmail.
> http://www.hotmail.com
_______________________________________________________________
Do You Yahoo!?
Yahoo! Messenger
Comunicacisn instantanea gratis con tu gente.
http://messenger.yahoo.es
|
|
|