while(<$pv>) {
chomp;
s/ *//g;
- if ( s{$sda}{mapper/nbd0p} ) {
+ if ( s{$sda}{nbd0p} ) {
push @pvs, $_;
} else {
warn "SKIP pv $_\n";
next;
}
push @lv_create, "lvcreate --name $name --size $size $vg_backup";
+ next if $name =~ m/swap/;
push @lv_create, "lvcreate --snapshot /dev/$vg/$name --name ${name}-snap --size 100M";
push @lv_remove, "/dev/$vg/$name-snap";
}
my $size = `blockdev --getsize64 /dev/$sda`;
sh "qemu-img create -f vmdk -o compat6 $vmdk $size";
-sh "modprobe nbd";
+sh "modprobe nbd max_part=8";
my $nbd_pid;
if ( $nbd_pid = fork ) {
sh "sfdisk -d /dev/$sda | sfdisk --force /dev/nbd0";
-sh "kpartx -av /dev/nbd0";
-
sh "pvcreate $_" foreach @pvs;
sh "vgcreate $vg_backup @pvs";
sub dev_to_backup {
my $dev = shift;
- $dev =~ s{/dev/$sda}{/dev/mapper/nbd0p} ||
+ $dev =~ s{/dev/$sda}{/dev/nbd0p} ||
$dev =~ s{/dev/mapper/.+-([^-]+)}{/dev/mapper/$vg_backup-$1} ||
die "can't map $dev to new backup device!";
return $dev;
}
+warn "mount bind chroot...\n";
+
+foreach ( qw(dev proc sys) ) {
+ sh "mount --bind /$_ $tmp/$_";
+ unshift @umount, "$tmp/$_";
+}
+
+warn "make backup bootable...\n";
+
+open(my $sh, '>', "$tmp/tmp/backup-fixup.sh");
+print $sh qq{
+grub-install /dev/nbd0
+update-grub
+};
+close($sh);
+chmod 0755, "$tmp/tmp/backup-fixup.sh";
+
+sh "chroot $tmp /tmp/backup-fixup.sh";
+
+warn "wait for ENTER to continue...\n";
+<STDIN>;
+
+
warn "cleanup...\n";
sh "umount $_" foreach @umount;
sh "vgchange --available n $vg_backup";
-sh "kpartx -dv /dev/nbd0";
+sh "vgexport $vg_backup";
warn "finished in ", time() - $start_t, " seconds\n";
sh "qemu-nbd --disconnect /dev/nbd0";
+sh "rmmod nbd";