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I have a remote HMC at another location. Has anyone ever attempted
upgrading from V6.1.3 to V7.3.4 via putty and using these instructions?? I
can ping ftp.software.ibm.com with no problems from the remote HMC.

*Updating with additional V6R1.3 Corrective Service Patches

*The patch updates will be much quicker than the update to V6R1.3, some 30
seconds or less, if you look away, the reboot might have already started.

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/fixes/MH01082.zip -r

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/fixes/MH01110.zip -r

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/fixes/MH01128.zip -r

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/fixes/MH01127.zip -r

Once your last reboot is complete, verify the installation by running
following command.

lshmc -V

You should see following output

"version= Version: 6
Release: 1.3
HMC Build level 20080112.1
MH01082: New DST updates and Code Update fix for E302F842, B1818A0D,
B1818A0E failures (01-12-2008)
MH01110: Security fixes for HMC V6R1.3 (05-22-2008)
MH01128: Disable HTTP trace
MH01127: Enable Upgrading to V7R3.4.0 (08-18-2008)
","base_version=VV6R1.2
"

If there is any firmware maintenance you need to perform on your Power 5
servers prior to upgrading to V7 then you need to accomplish that first
before doing any further HMC upgrades. If you want to backup your HMC while
it is at V6R1.3 then now would also be a good time to perform such a task.
*Upgrading to V7R3.4 from V6R1.3 Remotely

*With patch MH01127 applied to HMC V6R1.3 you are ready to upgrade to
V7R3.4. Before this patch, getting to later V7 levels was a two step process
which involved upgrading to V7R3.2 then upgrading to V7R3.4. Following are
the commands required to download then configure the HMC to perform a remote
upgrade using the network images. The instructions for remote upgrade using
network images can be found from the link listed in related URLs section and
there is additional information and options you might wish to review prior
to continuing. Following are the command you could use to perform the
upgrade to V7R3.4 remotely.

saveupgdata -r disk

getupgfiles -h ftp.software.ibm.com -u anonymous --passwd ftp /
-d /software/server/hmc/network/v7340

chhmc -c altdiskboot -s enable --mode upgrade

hmcshutdown -r -t now

Once the HMC reboots the installation should start and typically takes about
an hour. After the installation of V7R3.4 is completed you should be able to
remotely access the HMC again. You then will need to install the latest
required fixes, which as of June 2009 is Service Pack 2 and MH01181. The
following commands will download the packages from the IBM website, install
them, and reboot.

Installing 734 SP2 (three fixes then reboot)

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/updates/HMC_Update_V7R340_SP2_1.zip

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/updates/HMC_Update_V7R340_SP2_2.zip

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/updates/HMC_Update_V7R340_SP2_3.zip -r

Installing MH01181 (one fix file then reboot)

updhmc -t s -h ftp.software.ibm.com -u anonymous -p ftp /
-f /software/server/hmc/fixes/MH01181.zip -r

After the HMC is rebooted with the final required maintenance PTF then you
can verify that the install is complete by using the lshmc -V command. The
output should appear similar to the following.

"version= Version: 7
Release: 3.4.0
Service Pack: 2
HMC Build level 20090514.1
MH01181: Fix for HMC V7R3.4.0 Service Pack 2 (05-21-2009)
","base_version=V7R3.4.0
"

Congratulations! Now you are ready to manage your servers with the new HMC
V7 console.

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