Comment 8 for bug 2056207

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Frank Heimes (fheimes) wrote : Re: Installation of 24.04 on z/VM s390x crashes due to curtin

After disks got wiped once, I am able to repeatedly do successful installation on DASD disks (no matter if z/VM or LPAR and no matter if updated installer or default).

SCSI/FCP disks do not seem to be affected (install worked there all the time).

So the issue seem to occur if an old (former) disk layout got detected and got marked for deletion. In such a case curtin seem to fail (at least sometimes, at least about 5 times for me).

Notice that all these attempts where done while using "Custom disk layout", using 3 DASDs, whereas one was with 1.875G for /boot, the rest of this disk and all the space from the other two disks for a single big LVM that holds root.

The workaround is to get (somehow) the disks wiped out before, in case this happens.
So this is probably not critical, but nevertheless a bad user experience.

(I'm updating the bug title to reflect the latest results.)