cannot destroy 'poolname/dataset/vm-100-disk-0': dataset is busy

[ybantya]

Modified Commands and Added Timeouts in /usr/share/perl5/PVE/Storage/LunCmd/FreeNAS.pm

Original:

# Remove the extent
my $remove_extent = freenas_iscsi_remove_extent($scfg, $lun->{'id'});

# Remove the link
my $remove_link = freenas_iscsi_remove_target_to_extent($scfg, $lun->{'id'});

Modified:

# Remove the link first
my $remove_link = freenas_iscsi_remove_target_to_extent($scfg, $lun->{'id'});

sleep(3);  # 3-second delay for cleanup

# Remove the extent
my $remove_extent = freenas_iscsi_remove_extent($scfg, $lun->{'id'});

sleep(3);  # 3-second delay for system stabilization

After updating the plugin, restart the API and statistics services:

systemctl restart pvedaemon.service && systemctl restart pvestatd.service

• removes target associations before storage extents

• allows TrueNAS to complete internal operations

• reduces race conditions during deletion

• ensures clean removal of iSCSI components

The sleep intervals provide necessary buffer time for the FreeNAS API to process each deletion step completely before proceeding.