Another thing that may work is to truncate a file, as in cat /dev/null >file
or maybe cp /dev/null file reducing the reference count on the blocks it held; if any blocks were unique to the instance of that file in the base filesystem, that may leave enough to be allocated for the copy-on-write so you can delete the file. Do that a few more times if needed, and you should have enough wiggle room to simply rm files after that. -- This message posted from opensolaris.org
