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migration
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Migrating to AIX 7.1 with nimadm.
Last year I wrote an article on using nimadm
to migrate to AIX 6.1 . The procedures outlined how to migrate a live system with nimadm and a spare disk. Another method that I have found to be extremely useful is
the migration of mksysb images from one version of AIX to another using (you
guessed it) nimadm . In the following example I migrated an AIX 6.1 mksysb image
to AIX 7.1 and then used that image to install a new LPAR via NIM. The source LPAR was running AIX 6.1 TL6 SP3. I took a mksysb
of this system to my NIM master. # oslevel -s... [More]
Tags: gibson migration chris nimadm aix |
SSH Host keys and AIX 7.1 Migration.
Recent releases of AIX installation media
(for 7.1 and 6.1) now contain the OpenSSH base installation filesets. This is
very handy; we no longer need to download or locate the software from other
sources. One thing to consider is what this means
for future AIX migrations. If you are migrating a system (that already
has a version of SSH installed) to AIX 7.1 then you may notice that the first
time you attempt to connect to the server (after the 7.1 migration) the
following ssh message appears: root@nim1
: / # ssh aixlpar1... [More]
Tags: warning: has host aix remote identification nim changed lppsource migration ssh |
AIX multibos mksysb migration
I’ve
written about multibos before, here and here . But recently I
started experimenting with multibos mksysb migration. A customer asked me how
this worked and apart from a high-level view I wasn’t able to provide any real
world experience, so I thought I’d give it a try. What follows is just a ‘brain
dump’ from my quick test. First of all
this isn’t really a migration. It just simply populates a second instance of
AIX with a higher-version. It doesn’t really migrate (or merge) your existing
configuration into the second instance. So... [More]
Tags: mksysb aix migration multibos chris gibson |
