Wilfredo, then you need to look at how the drives are connected Escon or
Ficon - how many connections to the controller. Was anything else using tape
drives at the same time?
I'm seeing rates around 20MB/sec which after compression would be about
7-8MB/sec.
Adolph
----- Original Message -----
From: "Castillo, Wilfredo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 13, 2001 9:24 AM
Subject: Re: Transfer rate in TSM 4.1 OS/390
> Thanks Adolph,
>
> The drives are 3590 E and I am using drives hardware compression.
>
> Wilfredo
>
>
>
>
>
> [EMAIL PROTECTED] con fecha 13/03/2001 10:02:00
> Destinatarios: [EMAIL PROTECTED]@Internet
> CC: (cci: WILFREDO CASTILLO/CASTILLOWU/INS/PDVSA)
>
> Asunto: Re: Transfer rate in TSM 4.1 OS/390
>
> You didn't mention which model of 3590 drive. The B models have a maximum
> native transfer rate of 9MB/sec and the E's have a maximum of 14MB/SEC.
How
> are the drives attached to your OS/390 system? Are you using TSM
compression
> or are you using the drives hardware compression? These can all impact
your
> throughput.
>
> Adolph
>
>
> ----- Original Message -----
> From: "Castillo, Wilfredo" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, March 13, 2001 8:13 AM
> Subject: Transfer rate in TSM 4.1 OS/390
>
>
> > Anyone know about the highest transfer rate in TSM 4.1 OS/390 Server
from
> OMVS
> > Client through IBM 3494 Magstar 3590?. I have done some tests. The
highest
> > transfer rate that I have reached is 5MB/sec. Is it the maximum?
> >
> > I appreciate your help,
> >
> > Wilfredo Castillo
> > Data Center
> > Intesa - Caracas, Venezuela
> >
> >
> >
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