I currently have a Power7 production system and a Power6 HA
system, running IBMi in single partitions.
The systems are configured for iASP mirroring using the Geographic
Mirroring feature of PowerHA for i Enterprise Edition.
Currently I suspend the Geographic Mirroring for a few hours a
night to perform a backup to tape on the Power6 HA system.
During this backup the Power7 production system remains available
to production users, but mirroring is suspended to the HA system.
Any changes to production data are queued up to be sent when
mirroring is resumed. After the backup completes on the Power6 HA
system, mirroring is resumed and mirror synchronization is
achieved in about an hour or so.
I want to come up with a way to eliminate the ¡°mirror
synchronization time¡± and still have a point in time BU to tape
of all our production data.
One idea I was thinking about was to come up with a way to perform
a FLASH COPY of the remote mirror (the iASP attached to the Power6
HA system), without having to suspend mirroring from the Power7
My question to you is, is this even possible to do this using the
PowerHA for i Enterprise Edition software on the IBMi? I imagine
it would require sufficient disk and another active partition on
the Power6 system¡Š Any thoughts on this idea or any other ideas
on how I could eliminate having to resynchronize the Geographic
Mirror as part of my nightly BU process????
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