Flashcopy on DS6800 is nothing like as efficient as on Shark.
Crispin Hugo
Systems Programmer
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-----Original Message-----
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On
Behalf Of Nigel Salway
Sent: 07 April 2010 17:19
To: IBM-MAIN@bama.ua.edu
Subject: Re: ESS 2105-800 DS6800 comparison
Kevin,
Thanks for your feedback.
In my case, we are already running FICON with the Shark, so we shouldn't
see a change in performance there.
Is the in-rack laptop a feature be ordered with the DS6800, or is it a
matter of buying any compatible laptop and rack mounting it? Can you
clarify?
I will check on Flashcopy 2 availability, although we only use flashcopy
at the volume level.
Sincerely,
Nigel Salway
> Date: Fri, 2 Apr 2010 11:44:01 -0400
> From: kevin.cl...@bcbsde.com
> Subject: Re: ESS 2105-800 DS6800 comparison
> To: IBM-MAIN@bama.ua.edu
>
> Nigel,
>
> Converted from a Hitachi unit emulating a ESS 2105 to a DS6800 using
> FDRPAS and FLASHCOPY in 1 day, (10 TB), It was awhile back but there
> were no problems or issues. Except it didn't support Flashcopy 2 at
the
> time (Dataset level)
>
> Since the DS6800 was rack mounted, I should have opted for the in rack
> LAPTOP, Instead of table to support my monitor and keyboard only.
>
> Oh yea. We went from ESCOM to FICON...so great for performance.
>
> Kevin
>
> ---Original Message-----
> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On
> Behalf Of Nigel Salway
> Sent: Thursday, April 01, 2010 12:07 PM
> To: IBM-MAIN@bama.ua.edu
> Subject: ESS 2105-800 DS6800 comparison
>
> I am looking at migrating from an ESS 2105-800 shark to a used DS6800
> 1750-522.
>
> I am curious to learn if anyone has done a similar conversion and can
> comment on the relative performance of the two storage subsystems. The
> IBM redbook SG24-6781-02 says the DS6800 will out-perform the 2105-800
> shark in most zOS implementations.
>
> I am also interested in hearing from someone who has installed a used
> DS6800 and if they had any issues installing and setting up the DS
> Storage Manager software.
>
> TIA
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