On 12/07/2014 09:32 PM, ashford@xxxxxxxxxxxxx wrote: >> In conclusion, the disk usage is well known; which is unknown is >> > the space that is available to the user (who is uninterested to >> > all the details inside a filesystem). The best that is doable >> > is an estimation like the above one. > I disagree. My experiences with other file-systems, including ZFS, show > that the most common solution is to just deliver to the user the actual > amount of unused disk space. Anything else changes this known value into > a guess or prediction. So in case you have a raid1 filesystem on two disks; each disk has 300GB free; which is the free space that you expected: 300GB or 600GB and why ? > > Peter Ashford BR G.Baroncelli > > -- gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
