RE: LPARing an 810......

Nope, for an OS/400 partition you have two choices:

Bus-level partition
IOP-level partition

So either everything on a bus belongs to one partition  or everything
under an IOP (1-4 IOA cards) belongs to one partition or another.

If you're doing IOP level, that means that the bus is shared.  You can
have a IOP with attached IOA's that are switchable between partitions.
For example, in my 810 I have 2844 IOP with a 5702 Tape IOA that is
switchable; which lets me use tape drive attached to the 5702 on either
partition.  Note that only one partition can own/see/use the tape drive
at a time.

DASD and its controllers can _NOT_ be switch.  You have to have at least
one dedicated IOP, with at least a DASD controller and a console
connection for each LPAR.

HTH,
Charles Wilt
--
iSeries Systems Administrator / Developer
Mitsubishi Electric Automotive America
ph: 513-573-4343
fax: 513-398-1121
 

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx 
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of 
ALopez@xxxxxxxxxx
Sent: Wednesday, August 09, 2006 11:10 AM
To: midrange-l@xxxxxxxxxxxx
Subject: RE: LPARing an 810......

The real expense in setting up LPAR is the hardware.  You 

need addional

disk, disk controllers, console connection, LAN card 

(optional really

Does the LPAR always require new disk controllers and DASD, 
or could it 
conceivably use the same hardware as the controlling LPAR?  Our DASD 
utilization is so low that we could get by with what we have, 
or at most 
one extra hard drive. 

Thanks for the info, btw.  It's exactly what I needed.


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