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add wipe_disk option when destroying ceph disk

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this allows the disk to be reused as ceph disk by zeroing the first 200M
of the destroyed disk. disks are iterated separately from partitions to
prevent duplicate wipes.

Signed-off-by: David Limbeck <d.limbeck@proxmox.com>
This commit is contained in:
David Limbeck 2018-10-24 11:45:44 +02:00 committed by Thomas Lamprecht
parent 5d4bb1f732
commit 1b3caf4f21
1 changed files with 9 additions and 0 deletions
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9
PVE/API2/Ceph.pm
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@ -397,6 +397,7 @@ __PACKAGE__->register_method ({
# try to unmount from standard mount point
my $mountpoint = "/var/lib/ceph/osd/ceph-$osdid";
my $disks_to_wipe = {};
my $remove_partition = sub {
my ($part) = @_;
@ -407,6 +408,8 @@ __PACKAGE__->register_method ({
print "remove partition $part (disk '${devpath}', partnum $partnum)\n";
eval { run_command(['/sbin/sgdisk', '-d', $partnum, "${devpath}"]); };
warn $@ if $@;
$disks_to_wipe->{$devpath} = 1;
};
my $partitions_to_remove = [];
@ -434,6 +437,7 @@ __PACKAGE__->register_method ({
}
}
print "Unmount OSD $osdsection from $mountpoint\n";
eval { run_command(['/bin/umount', $mountpoint]); };
if (my $err = $@) {
@ -443,6 +447,11 @@ __PACKAGE__->register_method ({
foreach my $part (@$partitions_to_remove) {
$remove_partition->($part);
}
foreach my $devpath (keys %$disks_to_wipe) {
print "wipe disk: $devpath\n";
eval { run_command(['/bin/dd', 'if=/dev/zero', "of=${devpath}", 'bs=1M', 'count=200', 'conv=fdatasync']); };
warn $@ if $@;
}
}
};