PowerVM needs both a hardware feature to be ordered and a software license. Each edition of PowerVM (Express, Standard and Enterprise) includes VIOS. If you have current SWMA cover then you can download the software from the IBM entitled Systems software website. JS21 doesn't support dual VIOS...
That depends on what you mean by "doesn't matter". At the stage of your diagram a good copy of each LP is available and so read/wite can continue.
Will AIX LVM combine one LV copy when hdisk0 became missing or removed? Not unless you tell it to - remember permanent failure is just one of the...
If hdisk0 fails then there is a copy of LP 0001 and LP 0002 on hdisk1 and vice versa so the LV is ok. There's no cleverness here - if there's one available copy of the data then the LV is available as long as the VG stays online which is a different discussion.
Storage devices use "decimal" GB and AIX is using "binary" GiB. You'll find that the drive is officially listed in the IBM Sales Manual as 146.8GB.
(146.8GBx1000x1000x1000)/(1024*1024*1024)=136.7GiB.
http://en.wikipedia.org/wiki/Gigabyte
PowerHA (it hasn't been marketed as HACMP for some years) is priced per core so there's no such thing as a "reasonable price" - there's just the price you need to pay to support the configuration that needs high availability.
The IBM Sales Manual is the place to start with all such questions:
http://www-01.ibm.com/common/ssi/ShowDoc.jsp?docURL=/common/ssi/rep_sm/1/877/ENUS8203-_h01/index.html&lang=en
(#5901) - PCIe Dual-x4 SAS Adapter
The #5901 PCIe Dual-4x SAS Adapter is a low-profile short form factor adapter...
The odds are that the driver for this card doesn't exist. AIX examines the cards and generates the device driver package name from the id returned by the adapter - so it will generate a fileset name whether the fileset ever existed on media or not. You need to find a supported graphics adapter -...
There is no supported way to upgrade the AIX df command on earlier versions to support function from a later version. If you can install GNU coreutils which contains df then you could install a "lowest common denominator" level of it to all your machines.
You said "I'll have to boot into maintenance mode to see what is available" - has the box booted as usual with the directories in this state? I am surprised. Anyway, you should be able to use full path names for /bin/ls and /bin/mv to fix these names.
When you say "tn3270 server" you mean a mainframe? And when you says "Windows telnet client" you mean a telnet client that doesn't do tn3270? Can't quite see what you're trying to achieve here.
If you have the AIX boot diskettes or if you can find them on the web (by looking for "aix ps/2") and re-create, then you should be able to boot from the diskettes and go into a maintenance mode and edit /etc/passwd to remove root's password.
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