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  3. January 2019

RE: 1879 vs 1916 disk drive comparison

  • Subject: RE: 1879 vs 1916 disk drive comparison
  • From: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx>
  • Date: Mon, 14 Jan 2019 13:55:17 +0000
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Jerry,

Since 2012, I've been running our P7 R&D LPAR with 24 - 1916: 571GB 10K RPM SAS SFF Disk Drive (IBM i)
Interactive response time ok except during IDX rebuilds.
Batch times not good.
Also IPLs, PTF applies, Saves, Restores, IDX - rebuilds. much longer.

I needed the larger space and opted for the 1916-571gb 10k RPM over 1948-283GB 15k RPM SAS SFF-2 Disk Drive (IBM i).
We paid the price.

Stay away from the 10k drives if at all possible.

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jerry Draper
Sent: Friday, January 11, 2019 2:54 PM
To: Midrange Systems Technical Discussion
Subject: 1879 vs 1916 disk drive comparison

We need to upgrade disk drives in our 8202 SAS machine.

We have: 1879: 283GB 15K RPM SAS SFF Disk Drive (IBM i)

Replacement drives: 1916: 571GB 10K RPM SAS SFF Disk Drive (IBM i)

We will will gain necessary disk space but these are 10k drives vs the
1817 at 15k.

What might be the response time for our users?

Thanks,

Jerry



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