Package: fai-setup-storage
Version: 4.3.1+deb8u1
Severity: normal
Tags: upstream
Dear Maintainer,
reinstalling a machine installed with the option "preserve_reinstall" seems
to be problematic. setup-storage usually fails with "Previous partitions
overflow begin of preserved partition" if the original partition was
created using the flag "flag_initial=1" and no "align-at"-option is
given in the configuration.
The reason seems to be an inconsistent calculation of the partition
sizes:
In Sizes.pm the function compute_partition_sizes checks if preserveparts
is set:
# align to cylinder boundary for msdos disklabels if at least one of
# the
# partitions has to be preserved, for backward compatibility
if ($FAI::configs{$config}{disklabel} eq "msdos" &&
$FAI::configs{$config}{preserveparts} == 1) {
$block_size = $current_disk->{sector_size} *
$current_disk->{bios_sectors_per_track} *
$current_disk->{bios_heads};
and sets the blocksize to the sector_size.
But if called with "flag_initial=1" this part is ignored. Giving a
blocksize of 512. Which in the end leads to partition layout
which usually doesn't match one with a blocksize=sector_size.
If manually enforcing an alignment with "align-at" this problem doesn't
occur due to
# but user-specified alignment wins no matter what
defined ($FAI::configs{$config}{align_at}) and
$block_size = $FAI::configs{$config}{align_at};
Probably the blocksize should either be also set to sector_size if called with
"flag_initial=1", or setup-storage should acknowledge the existing layout
while calculating blocksize.
Regards,
Andreas Poenicke
-- System Information:
Debian Release: 8.8
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)
Versions of packages fai-setup-storage depends on:
ii liblinux-lvm-perl 0.17-2
ii libparse-recdescent-perl 1.967009+dfsg-1
ii parted3.2-7
ii perl 5.20.2-3+deb8u6
Versions of packages fai-setup-storage recommends:
ii lvm2 2.02.111-2.2+deb8u1
ii mdadm 3.3.2-5+deb8u2
Versions of packages fai-setup-storage suggests:
pn cryptsetup
ii dmsetup2:1.02.90-2.2+deb8u1
ii dosfstools 3.0.27-1
pn jfsutils
ii ntfs-3g1:2014.2.15AR.2-1+deb8u3
pn reiserfsprogs
pn xfsprogs
-- no debconf information
