(no subject)

[Chuck Swiger]

On Jun 21, 2011, at 11:04 AM, Lokadamus wrote:
> Mon Jun 20 11:41:58 2011 849M /tmp
> Mon Jun 20 11:42:01 2011 Filesystem Size Used Avail Capacity Mounted on /dev/amrd0s1a 989M 987M -76M 108% /
> 
> When a partition is over 100% its use backup place for defect sektors. A partition is/ was created with 110% and 10% are for defect sectors.
> A partition should not grow over 100%.

While hard drives do contain spare sectors used to replacing defective ones, that's not what the 110% or 108% filesystem space is for-- this spare capacity is used by FFS to reduce fragmentation, but can also be written to by root at the cost of considerable performance.

See "man tunefs".

Regards,
-- 
-Chuck