RE: Upgrading Load Source Disk

Larry,

Thanks for the correction, I didn't type what I was thinking.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of DrFranken
Sent: Wednesday, July 10, 2013 1:06 PM
To: Midrange Systems Technical Discussion
Subject: Re: Upgrading Load Source Disk

Actually it's the other way around, the bigger drives, because they have more data on them, get used more and can get 'hot'. This is why the rule of thumb is no drive MORE than twice the size of the smallest drive in the ASP. So 35s and 70s would be within the rule, but 25s and 140s would not.


- Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com

On 7/10/2013 1:02 PM, Steinmetz, Paul wrote:

Another factor I've seen when you have mixed size drives, is the smaller drives tend to become "hot" drives, lead to disk performance issues.
I've migrated smaller disks to larger, along with load source, doable, very painful, slow, couldn't afford the downtime for reload.
Disk philosophy, use same size disks, use largest possible, (disks are cheap) disk slots are expensive.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Rick Hill
Sent: Wednesday, July 10, 2013 12:55 PM
To: Midrange Systems Technical Discussion
Subject: RE: Upgrading Load Source Disk

Thanks Guys, Think I'm just going to suck it up and start with the reload.


Really appreciate the input.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jim Oberholtzer
Sent: Wednesday, July 10, 2013 12:53 PM
To: Midrange Systems Technical Discussion
Subject: Re: Upgrading Load Source Disk

Then you need to replace all the other drives in the RAID set or the other mirrored drive in a mirrored pair. Replacing a RAID set is almost as complex and time consuming as a reload.

Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects

On 7/10/13 11:18 AM, John McKee wrote:

Why not replace the smaller load source with a larger one? You might
need the space at some point anyway. You already have the smaller
drive on hand?

John McKee

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