Fix dangling extent on failed LUN creation (issue #214)

Fix dangling extent on failed LUN creation (issue #214)
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Kevin Scott Adams 2026-05-18 17:14:12 -04:00 committed by GitHub
commit 4edd50b300
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1 changed files with 8 additions and 6 deletions

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@ -263,16 +263,18 @@ sub run_create_lu {
# Create the extent
my $extent = freenas_iscsi_create_extent($scfg, $lun_path);
die "Unable to create extent for $lun_path" if !defined($extent);
# Associate the new extent to the target
# Associate the new extent to the target; roll back the extent if this fails
# to avoid leaving a dangling extent on TrueNAS (issue #214)
my $link = freenas_iscsi_create_target_to_extent($scfg, $target_id, $extent->{'id'}, $lun_id);
if (defined($link)) {
syslog("info","FreeNAS::create_lu(lun_path=$lun_path, lun_id=$lun_id) : successful");
} else {
die "Unable to create lun $lun_path";
if (!defined($link)) {
syslog("err", (caller(0))[3] . " : target-to-extent failed for $lun_path -- rolling back extent $extent->{'id'}");
freenas_iscsi_remove_extent($scfg, $extent->{'id'});
die "Unable to create lun $lun_path (extent rolled back)";
}
syslog("info", (caller(0))[3] . "(lun_path=$lun_path, lun_id=$lun_id) : successful");
return "";
}