Re: Performance recommendations for pair of 5913s

[Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>]

Paul's right, the new cards scream performance. Now, I would not want to 
get to the 72 drive limit, but 30, won't break a sweat.

Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects

On 10/22/13 11:53 AM, Steinmetz, Paul wrote:
> This is from a Oct 2011 IBM announcement.
> Rule of thumb - Max HDD 72 per pair of 5913.
> 		Max SSD 24-26 per pair of 5913
> Yes, you can mix.
>
> -----Original Message-----
> From:midrange-l-bounces@xxxxxxxxxxxx  [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mitchell, Dana
> Sent: Tuesday, October 22, 2013 11:40 AM
> To: Midrange Systems Technical Discussion
> Subject: Performance recommendations for pair of 5913s
>
> We are configuring a new machine for our development environment.  The first proposal included 30 139Gb drives behind a pair of 5913's.   Is that too many drives for a pair of these cards?  Wasn't the ROT in the past about 22-24 drives per pair of cache cards,  or are these that much better performing?
>
>
>   BTW, I tried to search the midrange-l archives and I get a page that says:
>
> Bloggers Anonymous
> For those of us who just can't get enough Move along ...Move along ...
>
> ... nothing to see here.
>
> Try Geeky Ramblings instead.
>
> Both comments and pings are currently closed.
>
>
> Thanks
> Dana