I now have a problem with freenas that when i delete an iscsi target the extent gets left behind. This is resulting in wasted space with files that seem undeleteable. I have tried to remove the extent file via the shell but get errors there too.
There's a previously entered bug entry in redmine for this:
This appears tob e naother middleware issue...and i do not wish to run 12 beta on a production mahcine:
Can we get this fix backported to 11.3u5?