12-16-2008
May i ask what exactly "bad disk perormance" means for you? Maybe there is something you just missed and we can work it out here?
I don't know the tools you mentioned but you might want to read the manpage for "filemon", which can be quite a handy tool to find hotspots on a filesystem/disk and can provide several versatile disk statistics.
I hope this helps.
bakunin
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SADE(8) BSD System Manager's Manual SADE(8)
NAME
sade -- sysadmins disk editor
SYNOPSIS
sade
DESCRIPTION
The sade utility is used for various disk administration tasks on FreeBSD systems.
It is generally invoked without arguments for the default behavior, where the main menu is presented.
NOTES
The sade utility aims to provide a handy tool for disk management tasks on an already installed system. The goal is to provide the same text
interface for disk management in bsdinstall(8) in the post-installation environment.
SEE ALSO
bsdinstall(8), gpart(8)
HISTORY
A program called sade first appeared in FreeBSD 6.3 as a utility encapsulating features from the sysinstall(8) installer. It was replaced in
FreeBSD 10.0 with the equivalent part of bsdinstall(8).
AUTHORS
Nathan Whitehorn <nwhitehorn@FreeBSD.org>
BUGS
The utility misses a lot of nice features, such as tools for manipulating gmirror(8). These will be added later.
BSD
December 30, 2012 BSD