setup-storage fails to partition sometimes

[Ingo Wichmann]

Hi all,

we reinstall our training laptops very frequently. At the end of a
training, all kinds of storage configuration can be left on the
harddisks. Since January I'm using setup-storage. And my experience is,
that it often fails to clean up old configuration, and therefore fails
to partition the new system.

As a workaround I introduced the following two lines in a hook:

============================================================
[ -b ${BOOT_DEVICE}2 ] && wipefs -a -f ${BOOT_DEVICE}2
parted ${BOOT_DEVICE} 'mklabel msdos yes' # this is sometimes
#necessary, often useless and produces warnings sometimes.
============================================================

setup-storage calls already 'wipefs -a' on several occasions. I think
'wipefs -a -f' would be more reliable.

@Thomas: what do you think?

Ingo



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