Hi all,
When creating a live snapshot this function is called:
sub __snapshot_save_vmstate {
my ($class, $vmid, $conf, $snapname, $storecfg) = @_;
my $snap = $conf->{snapshots}->{$snapname};
my $target;
# search shared storage first
PVE::QemuServer::foreach_writable_storage($conf, sub {
my ($sid) = @_;
my $scfg = PVE::Storage::storage_config($storecfg, $sid);
return if !$scfg->{shared};
$target = $sid if !$target || $scfg->{path}; # prefer file based
storage
});
if (!$target) {
# now search local storage
PVE::QemuServer::foreach_writable_storage($conf, sub {
my ($sid) = @_;
my $scfg = PVE::Storage::storage_config($storecfg, $sid);
return if $scfg->{shared};
$target = $sid if !$target || $scfg->{path}; # prefer file based
storage;
});
}
$target = 'local' if !$target;
[....]
It doesn't seem obvious to me why we prefer shared storage over local
storage?
Above assumes that we are able to store two snapshots for each VM/CT we
are making a live snapshot for on the share storage.
--
Hilsen/Regards
Michael Rasmussen
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michael <at> rasmussen <dot> cc
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mir <at> datanom <dot> net
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
mir <at> miras <dot> org
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
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