RE: Load source question (RE: Disk Upgrade)

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of James Lampert
Sent: Tuesday, November 18, 2008 11:21 AM
To: Midrange Systems Technical Discussion
Subject: Re: Load source question (RE: Disk Upgrade)

tkreimer@xxxxxxxxxxxxxxx wrote:

What is up with the "load source" disk anyway? With RAID 5

and other disk

striping technologies, how is one disk more significant? I

asked this to

a pretty good SE once and they could not explain it. So if

the load source

disk in a RAID array were to fail, would the machine not

IPL? (This is

just a question, not an attack or gripe of any kind!)

The LIC has to come from somewhere, and it has to be up
before striped
drives are readable.

--
James H. H. Lampert

Ignorant question here: Does that mean that the i does the striping in
host software? The DASD for the "z" is striped as well, but it is done
in the DASD subsystem and is transparent to the host.

--
John McKown
Systems Engineer IV
IT

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