Re: Power 7 CentOS ppc64 install disk boots but "No disks detected"

[Roberto José Etcheverry Romero <yggdrasil.raiker@xxxxxxxxx>]

Funny IBM i sectors indeed. Try with any generic SAS disk, It should work.

On Mon, Jul 13, 2020 at 3:26 PM Jack Woehr <jwoehr@xxxxxxxxxxxxxxxxxxxxxxxx>
wrote:

> Woohoo!
>
> Managed to boot CentOS ppc64
> <https://wiki.centos.org/SpecialInterestGroup/AltArch/ppc64> (it's
> big-endian) installation disk on P7! Comes up in serial terminal!
>
> Only required about 4 days' research, building cables, trial and error and
> error and error ... :)
>
> Big trick: ASMI -> Power/Restart Control -> Power On/Off System -> Default
> Partition Environment: *Linux*
>
> *BUT* ("Everyone's got a big 'but'." - Peewee Herman, "Peewee's Big
> Adventure") ...
>
> Installation
>
>  1) [x] Language settings                 2) [!] Time settings
>         (English (United States))                (Timezone is not set.)
>  3) [x] Installation source               4) [x] Software selection
>         (Local media)                            (Minimal Install)
>  5) [!] Installation Destination          6) [x] Kdump
>         (No disks selected)                      (Kdump is enabled)
>  7) [ ] Network configuration             8) [!] Root password
>         (Not connected)                          (Password is not set.)
>  9) [!] User creation
>         (No user will be created)
>   Please make your choice from above ['q' to quit | 'b' to begin
> installation |
>   'r' to refresh]: 5
>
> ================================================================================
>
> ================================================================================
> Probing storage...
> Installation Destination
> No disks detected.  Please shut down the computer, connect at least
> one disk,and restart to complete installation.
>
>   Please make your choice from above ['q' to quit | 'c' to continue |
>   'r' to refresh]: r
>
> I wonder if it doesn't like the funny-sector IBM i DASD?
>
> Or do I have to do some config magic with the system down to add the disks
> so CentOS install can see them?
>
> I did do a "reset to factory defaults" at one point. Did I lose my DASD? Or
> is it something else?
>
> The DASD lights all flash quite a bit during the CentOS install DVD bootup
> so I do think it's looking at 'em.
>
> Thanks for any pointers!
> --
> Jack Woehr
> Absolute Performance, Inc.
> 12303 Airport Way, Suite 100
> Broomfield, CO 80021
>
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