On Thu, 20 Oct 2005 12:50:46 -0500, Robin <storchr@xavier.edu> wrote:

> I have an AIX 5.1 system I'm planning on upgrading to either 5.2 or 5.3.
> I don't have the install media for 5.3 though and I think IBM might
> charge me to get one so I was thinking of starting with 5.2. However, I
> had an undesirable experience with 5.2 where I was at ML 4 and had to
> do a disaster recovery restore. I only had my original 5.2 install
> media and found that to do a restore from mksysb I had to have 5.2
> install media at the ML 4 level or it wouldn't work.
>
> Does anyone know if that was an issue with ML 4 or with 5.2? I mean if
> you have you system at ML 6 on 5.2 do you have to boot from an install
> media that supports ML 6? Seems like a bunch of shit if so.
>
> Also, is this the case for 5.3 or would any AIX 5.3 install media allow
> you to restore from mksysb at a higher ML level?


According to the information, you need bootable media at an equal or
higher ML than your mksysb tape. But why did you need the CDs? Did you
get killed by the known issue in 5.2 where the boot image is too large due
to all the device support included in the base install? I got bit by that
and am in the process of deleteing various 'devices.' filesets for things
I know I won't need.

I have not heard of any similiar issue with 5.3