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Remembering the nightmare we had with our Power 6...
We had expansion units up the wazoo in that which were REALLY old carry
overs from Power 5 days. Jim O saw it.
While the unit was theoretically capable of going to 7.2 none of the disk
drives and expansion units were. We moved to Power 8 instead.

Never had a Power 7. Were there similar concerns with it moving past 7.1?

So far all I see is:

7.2
IBM i support for POWER6, October 2014
IBM plans for IBM i 7.2 to be the final release to be supported on POWER6
systems:
POWER6 BladeCenter models JS12, JS22, JS23, JS43
POWER6 Power 520, 550, 560, 570, 595

Minimum load source size change, May 2014
The minimum load source disk size for IBM i 7.2 is 70 GB of usable space.
This size is based on storage with 520-byte sectors.
Go to IBM i 7.2 Memo to users for more information.

Hardware considerations before upgrading to IBM i 7.2 on POWER6, May 2014
IBM i 7.2 will not support RIO/HSL loops or drawers on POWER6
IBM i 7.2 on POWER6 does not support IOPs or IOP based adapters
IOPless (Smart IOA) options are available for all I/O attachments (except
Twinax and IXS) and provide more efficient attachment of I/O. Customers
using IOP based I/O must move off IOPs to enable upgrading to IBM i 7.2.
Go to IBM i 7.2 Memo to users for additional details.


7.3
IBM i support for POWER6, April 2016
IBM i 7.3 will not support Power6 systems:
POWER6 BladeCenter models JS12, JS22, JS23, JS43 (7998-60X, 7998-61X,
7778-23X)
POWER6 Power 520, 550, 560, 570, 595 (9407-M15, 9408-M25, 8203-E4A,
8261-E4S,
9409-M50, 8204-E8A, 8234-EMA, 9406-MMA, 9117-MMA 9119-FHA)

IBM i support for POWER7 BladeCenter or POWER7/POWER7+ IBM Flex system
compute nodes, April 2016
IBM i 7.3 is not supported on the following POWER7 BladeCenter or
POWER7/POWER7+ IBM Flex system compute nodes
IBM Flex System®™ p260 and p460 Compute Nodes for POWER7 or POWER7+
(7895-22X , 7895-42X, 7895-23X, 7895-23A, 7895-43X, 7954-24X)
IBM BladeCenter® PS700, PS701, PS702, PS703 or PS704 (8406-70Y, 8406-71Y,
7891-73X, 7891-74X)



Rob Berendt

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