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fix bug 395: correctly handle unused disk with storage alias

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This commit is contained in:
Dietmar Maurer 2013-05-27 08:25:39 +02:00
parent 13471a97fb
commit 5996a936e3
1 changed files with 25 additions and 0 deletions
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25
PVE/QemuServer.pm
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@ -3605,6 +3605,7 @@ sub scan_volids {
foreach my $storeid (keys %$info) {
foreach my $item (@{$info->{$storeid}}) {
next if !($item->{volid} && $item->{size});
$item->{path} = PVE::Storage::path($cfg, $item->{volid});
$volid_hash->{$item->{volid}} = $item;
}
}
@ -3619,6 +3620,12 @@ sub update_disksize {
my $used = {};
# Note: it is allowed to define multiple storages with same path (alias), so
# we need to check both 'volid' and real 'path' (two different volid can point
# to the same path).
my $usedpath = {};
# update size info
foreach my $opt (keys %$conf) {
if (valid_drivename($opt)) {
@ -3627,6 +3634,10 @@ sub update_disksize {
next if !$volid;
$used->{$volid} = 1;
if ($volid_hash->{$volid} &&
(my $path = $volid_hash->{$volid}->{path})) {
$usedpath->{$path} = 1;
}
next if drive_is_cdrom($drive);
next if !$volid_hash->{$volid};
@ -3637,9 +3648,23 @@ sub update_disksize {
}
}
# remove 'unusedX' entry if volume is used
foreach my $opt (keys %$conf) {
next if $opt !~ m/^unused\d+$/;
my $volid = $conf->{$opt};
my $path = $volid_hash->{$volid}->{path} if $volid_hash->{$volid};
if ($used->{$volid} || ($path && $usedpath->{$path})) {
$changes = 1;
delete $conf->{$opt};
}
}
foreach my $volid (sort keys %$volid_hash) {
next if $volid =~ m/vm-$vmid-state-/;
next if $used->{$volid};
my $path = $volid_hash->{$volid}->{path};
next if !$path; # just to be sure
next if $usedpath->{$path};
$changes = 1;
add_unused_volume($conf, $volid);
}