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Hardware Management Console Best Practices

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Corrective service is a cumulative maintenance release within a single version

that customers can use to update the HMC from any previous releases within the

same version. For example, a customer who is currently at Version 4 Release 1 or

Version 4 Release 4 can update to Version 4 Release 5 using the same corrective

service.

Corrective service is not provided whenever the version number is incremented,

for example from Version 4 to Version 5. If this happens, only Recovery media

may be used to perform the upgrade.

Corrective service is relatively easy to apply by using the Install Corrective

Service task on the HMC console, either locally or remotely, or by running the

updhmc command. As successive corrective service updates are installed, the size

of the Critical Console Data increases. The Backup Critical Console Data task

backs up both data and binary changes on the HMC. Over time, this can mean

that the size of the CCD backup will be quite large. To shrink the size of the

CCD, update with Recovery media after performing a Save Upgrade Data. The

latter step only saves needed user and configuration data. After the update, a new

Critical Console Data backup can be made, and it will be smaller.

| Critical Console Data Backup |

| |

HMC installed

with V4R4

HMC Corrective

Service Update to

V4R5

HMC

Configuration

data

HMC upgraded

To V4R5

HMC

Configuration data

Corrective services zip files can be downloaded from the HMC support web site:

http://www14.software.ibm.com/webapp/set2/sas/f/hmc/home.html

It can also be ordered from IBM at that same web site.

If you are upgrading HMC machine type 7315 to support the POWER5 systems,

contact your IBM Sales Representative or Business Partner, and order Hardware

Feature Code 0961 for the HMC Recovery media.

Interim fixes or service packs are also treated as corrective service, and they are

installed in the same manner as described above. The difference is primarily the

size and how they are shown to users. Customers will see a PTF (Program

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Do+Able Products 12347 Manual de usuario Pagina 39