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lvmplugin: add external-snapshots option && forbid creation of qcow2 volumes without it

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Signed-off-by: Alexandre Derumier <alexandre.derumier@groupe-cyllene.com>
This commit is contained in:
Alexandre Derumier
2025-07-16 08:31:52 +02:00
committed by Wolfgang Bumiller
parent d78a91fdbc
commit 4ef8ab60f6
1 changed files with 5 additions and 0 deletions
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5
src/PVE/Storage/LVMPlugin.pm
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@ -399,6 +399,7 @@ sub options {
base => { fixed => 1, optional => 1 }, base => { fixed => 1, optional => 1 },
tagged_only => { optional => 1 }, tagged_only => { optional => 1 },
bwlimit => { optional => 1 }, bwlimit => { optional => 1 },
'external-snapshots' => { optional => 1 },
}; };
} }
@ -603,6 +604,10 @@ my sub alloc_lvm_image {
die "unsupported format '$fmt'" if $fmt ne 'raw' && $fmt ne 'qcow2'; die "unsupported format '$fmt'" if $fmt ne 'raw' && $fmt ne 'qcow2';
die "external-snapshots option need to be enabled to use qcow2 format"
if $fmt eq 'qcow2'
&& !$scfg->{'external-snapshots'};
$class->parse_volname($name); $class->parse_volname($name);
my $vgs = lvm_vgs(); my $vgs = lvm_vgs();