On Wed, 2007-03-21 at 21:11 +0100, Anders Troback wrote: > Disk status: > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/ad8s2a 253678 124556 108828 53% / > devfs 1 1 0 100% /dev > /dev/ad8s2g 35796214 16027612 16904906 49% /home > /dev/ad8s2e 1012974 -6 931944 -0% /tmp > /dev/ad8s2f 20308398 15124786 3558942 81% /usr > /dev/ad8s2d 1012974 258006 673932 28% /var > > Hi, > > I'm just curious about this! How can a FS have used -6 bytes?
By default, 8% of capacity is reserved for UID0 (root) and is not represented in df(1). Read tunefs(8): -m minfree Specify the percentage of space held back from normal users; the minimum free space threshold. The default value used is 8%. Note that lowering the threshold can adversely affect perfor- mance: o Settings of 5% and less force space optimization to always be used which will greatly increase the overhead for file writes. o The file system's ability to avoid fragmentation will be reduced when the total free space, including the reserve, drops below 15%. As free space approaches zero, throughput can degrade by up to a factor of three over the performance obtained at a 10% threshold. If the value is raised above the current usage level, users will be unable to allocate files until enough files have been deleted to get under the higher threshold. Try this in fstab(5): md /tmp mfs rw,-s64m,-m0 2 0 ~BAS > > As I said this is not a problem, I'm just curios about how things work > (and can someone please tell me how to make that a -100 Gb:-)) > > Thanks! _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"