No, the DASD can not be Mirrored across an LPAR partition except with a
cross system product like MIMIX. The IOP and disk
all belong to an LPAR Partition, and while you can mirror within a
partition,  all disk including the load source for the Partition is
available only to the partition.

   Only the base primary Partition running the LPAR Supervisor (Hypervisor
??) can influence the secondary partitions in any way.

    Yes, using some special LPAR support combined with the Opticonnect N/C
(?) features of the OS you can do inter-machine (Partition) communication of
all sorts.  They are in fact separate systems for all practical purposes.

Jeffrey M. Silberberg
CompuDesigns, Inc.
(770) 399-9464

Abandon the search for Truth; settle for a good fantasy.

Date: Tue, 9 Nov 1999 16:52:40 -0600
From: Christina Beneteau <>
Subject: LPAR

Has anyone mirrored DASD across LPAR without software?  How do you go
about turning mirroring on and off?  Can a primary LPAR exercise any
special control over the second LPAR like IPLing or submitting jobs?
Can you pass through between the two LPARs like you would two separate

Christy Beneteau

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