Paging Device Considerations for AMS ( Active Memory Sharing ) with LPM ( Live Partition Mobility). (Chris's AIX Blog)

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Paging Device Considerations for AMS ( Active Memory Sharing ) with LPM ( Live Partition Mobility).

cggibbo Feb 5 2010 Visits (9230)

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What are the considerations for paging devices when using Active Memory Sharing (AMS) with Live Partition Mobility (LPM)?

Paging devices can only be assigned to one shared memory pool at a time. You cannot assign the same paging device to a shared memory pool on more than one system at the same time.

If you accidentally assign a SAN paging device to both the source and destination VIOS, this can result in memory corruption.

When data is read from the paging device during the LPM operation or post-migration, when memory is accessed on the destination system.

Prior to migrating a shared memory partition ensure that the destination system has an available paging device for the mobile LPAR to use.

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