negative free blocks after mirror! [was: Re: mirror without destroying existing contents]

[John Nielsen]

On Monday 19 March 2007 10:46, Steve Franks wrote:
> Yes, the origonal disk was pretty full, but, I suspect this is not a good
> thing:
>
> Filesystem              1K-blocks      Used     Avail Capacity  Mounted on
> /dev/ad0s1a                507630     95254    371766    20%    /
> devfs                           1         1         0   100%    /dev
> /dev/ad0s1e                507630     30688    436332     7%    /tmp
> /dev/ad0s1f             152451398   5956408 134298880     4%    /usr
> /dev/ad0s1d               1444526    103600   1225364     8%    /var
> /dev/mirror/rainstones1 151368706 141135278  -1876068   101%    /rainstone
>
> How is that even possible?

This is a FAQ:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#DISK-MORE-THAN-FULL

Not really related to gmirror.

JN