Hi,
I have a system that has 100% zfs space used up.
I have referred to the document How To Delete Files on a ZFS Filesystem that is 100% Full (Doc ID 1537335.1)
and tried the following methods,
1. Delete files
# cp /dev/null /FILE/TO/DELETE
# cat /dev/null > /FILE/TO/DELETE
# rm /FILE/TO/DELETE
Result: rm testfile.txt not removed: No space left on device.
Can't remove /that/big/file. No space left on the device.
2. zfs destroy rpool/dump
Result: Volume is busy
3. Temporarily decrease refreservation of a ZVol
Result: I am currently looking at this option, but is there any risk or reboot involved?
I would like to seek some advice on the methods performed thus far.