Re: D-IPL from Tape on Power6 520

[John Jones <chianime@xxxxxxxxx>]

I found out some years ago that not all tape libraries can be used as
alt-IPL devices.  IIRC it was a SCSI-attached LTO3 library and a Power5
system but that restriction may be applicable to your situation as well.  In
my case I was able to juggle the LPAR hardware around to get an optical
drive on the LPAR so I could D-IPL from CD.

The support call where this was revealed was interesting in that I called it
in to IBM originally as a hardware problem & got a hardware/tape guy.  He
said that the IPL issue was actually a software problem so, rather than
transferring me over, he added someone from software to the call so we both
could learn/discuss together.


On Mon, Feb 21, 2011 at 8:05 AM, Rolf Schillinger <
rolf.schillinger@xxxxxxxxx> wrote:

> Hello,
> I have a playbox here with which I want to test backup/restore
> procedures. I did an GO SAVE 21 to fully save the system to a 8144
> tape drive in a 3573-L2U library.
> Now I want to restore it from there but I'm unable to boot from the
> tape. The system gets into a SRC B2004158 without any noticeable tape
> movement.
> I verified that the FC controller i nthere (9406-5749) is among the
> ones that are supported to boot from. I also checked the logs after
> backup to see if all was well.
> Any tips?
> TIA, Rolf
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