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Enable unmap support

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In the default config, emulate_tpu is set to 0, which disables
unmap support. Once enabled, trim can run from guest to reclaim free
space.

Signed-off-by: Daniel Berteaud <daniel@firewall-services.com>
This commit is contained in:
Daniel Berteaud
2019-09-18 17:15:45 +02:00
committed by Thomas Lamprecht
parent 525ed353dc
commit b7c8738f17
1 changed files with 6 additions and 1 deletions
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7
PVE/Storage/LunCmd/LIO.pm
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@ -250,7 +250,12 @@ my $create_lun = sub {
my $res = $execute_remote_command->($scfg, $timeout, $targetcli, @cliparams);
die $res->{msg} if !$res->{result};
# step 2: register lun with target
# step 2: enable unmap support on the backstore
@cliparams = ($BACKSTORE . '/' . $volname, 'set', 'attribute', 'emulate_tpu=1' );
$res = $execute_remote_command->($scfg, $timeout, $targetcli, @cliparams);
die $res->{msg} if !$res->{result};
# step 3: register lun with target
# targetcli /iscsi/iqn.2018-04.at.bestsolution.somehost:target/tpg1/luns/ create /backstores/block/foobar
@cliparams = ("/iscsi/$scfg->{target}/$tpg/luns/", 'create', "$BACKSTORE/$volname" );
$res = $execute_remote_command->($scfg, $timeout, $targetcli, @cliparams);