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multibos
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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 |
Multibos saved my bacon!
A colleague of mine was planning to modify the max_xfer_size attribute on a couple of
FC adapters in one of his AIX LPARs. As he was describing his plan to me, I
asked him how he intended to back out of the change should the LPAR fail to
boot after the modifications. “ But, what could
possibly go wrong?” he fired back. I advised him to use multibos to create a standby (backup)
instance of the AIX OS, just in case. He begrudgingly did so, just to keep me
happy. The next day he told me the following
tale. He had modified the FC... [More]
Tags: bacon max_xfer_size multibos chris_gibson aix |
nimadm - multibos error!?
I’ve been working with a customer recently on
an issue with nimadm . They were
attempting to migrate a system from AIX 5.3 to 7.1 using nimadm . The NIM client AIX
level was 5.3 TL12 SP4 and the NIM master was running AIX 7.1 TL1 SP1. lpar1
: / # oslevel -s 5300-12-04-1119 root@nim1
: / # oslevel -s 7100-01-01-1141 They were
running the following nimadm command: #
nimadm -j nimadmvg -c lpar1 -s spotaix710101 -l lpp_sourceaix710101 -d hdisk1
-Y The nimadm operation would always fail at phase 11: ... [More]
Tags: altinst_rootvg nimadm: client attention: cloning error returned multibos 6 unexpected init_multibos() 11 7.1 phase alt_disk_copy: nimadm on result an .1 0505-218 5.3 aix 0505-187 |
