Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 17 Jan 2000 15:23:20 +0000
From:      George Cox <gjvc@extremis.demon.co.uk>
To:        Morten Seeberg <ml@seeberg.dk>
Cc:        Walter Hafner <hafner-usenet@ze.tu-muenchen.de>, questions@freebsd.org
Subject:   Re: Compaq RAID controller never in the handbook?
Message-ID:  <20000117152320.B1743@extremis.demon.co.uk>
In-Reply-To: <003d01bf60e4$a5e6a770$3800a8c0@sos>; from ml@seeberg.dk on Mon, Jan 17, 2000 at 01:16:11PM %2B0100
References:  <200001150016.QAA02816@mass.cdrom.com> <018601bf6043$6b1f6c40$16280c0a@sos> <srjwvp9q9zb.fsf@w3projns.ze.tu-muenchen.de> <003d01bf60e4$a5e6a770$3800a8c0@sos>

next in thread | previous in thread | raw e-mail | index | archive | help
On 17/01 13:16, Morten Seeberg wrote:

> Well, at the moment I havent had much time to play around with it, but I
> am planning some tests, because I really dont think my filesystem is as
> fast as expected. Im running on 4  9Gb 10K RPM disks, and except when

How are these 4 disks organised?  What's ths stripe size?


> copying 100+MB files to /dev/null (approx 18Mb / s) i dont get much
> faster acx than 2-4Mb / s, which I have seen better (this is on
> 3.4-RELEASE).
> 
> Also the searchtime is very slow, and a script like

I don't understand what you mean by 'searchtime'.  Are you referring to
something like

  find / -name dang-what-did-I-call-it.\*

? If so, you could try 'locate'


> /etc/periodic/weekly/310.blabla which I thought would be much faster,
> isnt compared to a regular IDE disk. But also normal system usage (this
> is my workstation) doesnt seem to have speeded up much.  I tried

What kind of stuff are you using this for?


> experimenting with SOFTOPTIONS, no luck.

You mean soft-updates, enabled by adding the line

  options SOFTUPDATES

to your kernel configuration file, and reading the instrutions in

  /usr/src/sys/ufs/ffs/README.softupdates
  
best;


gjvc

-- 
"Readers who only want to see algorithms that are already packaged in a plug-in
way, using a trendy language, should buy other people's books." -- D. E. Knuth


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000117152320.B1743>