Unable to delete files on ZFS volume

Hi,

after filling up a ZFS volume until the last byte, I'm unable to delete
files, with error 'No space left on the device'.



[root_at_template-8_CURRENT /test/data2]# df -h
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/ad0s1a    8.7G    5.2G    2.8G    65%    /
devfs          1.0K    1.0K      0B   100%    /dev
test             0B      0B      0B   100%    /test
test/data1     1.6G    1.6G      0B   100%    /test/data1
test/data2     341M    341M      0B   100%    /test/data2
[root_at_template-8_CURRENT /test/data2]# zfs list
NAME         USED  AVAIL  REFER  MOUNTPOINT
test        1.96G      0  26.6K  /test
test/data1  1.62G      0  1.62G  /test/data1
test/data2   341M      0   341M  /test/data2
[root_at_template-8_CURRENT /test/data2]# ls -l data1 |tail -n 20		<-- there are quite a lot of files, so I truncated ;-))
-rw-r--r--  1 root  wheel      3072 Jun 20 17:13 20090620165743
-rw-r--r--  1 root  wheel   9771008 Jun 20 17:11 20090620165803
-rw-r--r--  1 root  wheel    624640 Jun 20 17:12 20090620165809
-rw-r--r--  1 root  wheel   1777664 Jun 20 17:14 20090620165810
-rw-r--r--  1 root  wheel   4059136 Jun 20 17:15 20090620165817
-rw-r--r--  1 root  wheel  23778304 Jun 20 17:13 20090620165925
-rw-r--r--  1 root  wheel  20318208 Jun 20 17:13 20090620165952
-rw-r--r--  1 root  wheel  28394496 Jun 20 17:10 20090620170013
-rw-r--r--  1 root  wheel  23698432 Jun 20 17:12 20090620170021
-rw-r--r--  1 root  wheel  26476544 Jun 20 17:19 20090620170100
-rw-r--r--  1 root  wheel  19904512 Jun 20 17:15 20090620170132
-rw-r--r--  1 root  wheel  23815168 Jun 20 17:14 20090620170142
-rw-r--r--  1 root  wheel   6683648 Jun 20 17:11 20090620170225
-rw-r--r--  1 root  wheel  19619840 Jun 20 17:11 20090620170322
-rw-r--r--  1 root  wheel  13902848 Jun 20 17:13 20090620170331
-rw-r--r--  1 root  wheel  28981248 Jun 20 17:13 20090620170346
-rw-r--r--  1 root  wheel  18287616 Jun 20 17:11 20090620170355
-rw-r--r--  1 root  wheel  16762880 Jun 20 17:16 20090620170405
-rw-r--r--  1 root  wheel  26966016 Jun 20 17:10 20090620170429
-rw-r--r--  1 root  wheel   5252096 Jun 20 17:14 20090620170502
[root_at_template-8_CURRENT /test/data2]#  rm -rf data1
rm: data1/20090620141524: No space left on device
rm: data1/20090620025202: No space left on device
rm: data1/20090620014926: No space left on device
rm: data1/20090620075405: No space left on device
rm: data1/20090620155124: No space left on device
rm: data1/20090620105723: No space left on device
rm: data1/20090620170100: No space left on device
rm: data1/20090620040149: No space left on device
rm: data1/20090620002512: No space left on device
rm: data1/20090620052315: No space left on device
rm: data1/20090620083750: No space left on device
rm: data1/20090620063831: No space left on device
rm: data1/20090620155029: No space left on device
rm: data1/20090619234313: No space left on device
rm: data1/20090620115346: No space left on device
rm: data1/20090620075508: No space left on device
rm: data1/20090620145541: No space left on device
rm: data1/20090620093335: No space left on device
rm: data1/20090620101846: No space left on device
rm: data1/20090620132456: No space left on device
rm: data1/20090620040044: No space left on device
rm: data1/20090620091401: No space left on device
rm: data1/20090620162251: No space left on device
rm: data1/20090619220813: No space left on device
rm: data1/20090620010643: No space left on device
rm: data1/20090620052218: No space left on device





Regards,
---
Mr. Olli