Upgrading to S74000 PMF CRUs

Upgrading to S74000 PMF CRUs
This procedure upgrades both PMF CRUs in a processor enclosure to S74000 PMF
CRUs online.
Restrictions
The existing PMF CRUs must be S70000 or S72000 PMF CRUs. You cannot upgrade
any other type of PMF CRU using this procedure.
S74000 PMF CRUs require G06.08 or later RVU. This upgrade procedure includes
migrating to G06.08 or later RVU, if necessary. After the migration, you can replace the
PMF CRUs online.
After you upgrade the first PMF CRU in an enclosure, you must immediately replace
the peer PMF CRU by performing a new OSM action on the peer PMF CRU or by
using a new session of the guided replacement tool.
Caution: An S74000 PMF CRU must not remain in the same enclosure with an
S70000 or S72000 PMF CRU.
HotStuffs Related to This Procedure
HS02633 NSK T1075AAM PMF UPGRADE TO S74000
For G06.10, when a PMF CRU is upgraded online and a tape device is
configured to that PMF CRU, the GRT might fail, the peer processor will not
be able to access the new PMF CRU adapter, subsequent controller
downloads to all SACs of the adapter will fail, and none of the disk and tape
paths through the adapter will come up. See HS02633 for the workaround
and fix.
HS02519D NSK OPN T8606D30/D42/D46/G06 NONSTOP TM/MP
For systems with four or more processors, you might need to make the
extended segment sizes for the TMFMON and TMP processes larger than
the default sizes before you upgrade your PMF CRUs. You might also need
to alter the TransCountThresh values to support larger transaction
volumes. See HS02519D for details.
Required Tools and Documentation
For this upgrade procedure, you need:
G06.nn Software Installation and Upgrade Guide (G06.08 or later version)
The appropriate OSM action or guided replacement tool for replacing PMF
CRUs. See Guided Procedures for more information.
The online help for the OSM action or guided procedure, accessible from the
Help menu.

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