Adaptect raid performance with FreeBSD (cached numbers!)

Ken Menzel kenm at icarz.com
Wed Jan 14 12:18:35 PST 2004


Ooops,
riker# dd if=riker-bin.067 of=/dev/null bs=1m count=1000
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 29.302370 secs (35784682 bytes/sec)
riker# dd if=riker-bin.067 of=/dev/null bs=1m count=1000
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 5.192789 secs (201929259 bytes/sec)
riker#

The cache works great.  Thanks for the heads up Brandon,

Ken

----- Original Message ----- 
From: "Brandon Gale" <brandon at globaldiagnostics.com>
To: "Ken Menzel" <kenm at icarz.com>
Sent: Wednesday, January 14, 2004 2:55 PM
Subject: RE: Adaptect raid performance with FreeBSD


> Ken, that smells like it's coming out of memory cache and not from
the disk.
>
> > -----Original Message-----
> > From: owner-freebsd-stable at freebsd.org
> > [mailto:owner-freebsd-stable at freebsd.org]On Behalf Of Ken Menzel
> > Sent: Wednesday, January 14, 2004 12:31 PM
> > To: freebsd-stable at freebsd.org; Mike Tancsa
> > Subject: Re: Adaptect raid performance with FreeBSD
> >
> >
> > riker# dd if=riker-bin.068 of=/dev/null bs=1m count=1000
> > 1000+0 records in
> > 1000+0 records out
> > 1048576000 bytes transferred in 4.869752 secs (215324315
bytes/sec)
> > riker#
> > asr0: <Adaptec Caching SCSI RAID> mem 0xf8000000-0xfbffffff irq 17
at
> > device
> >  on pci3
> > asr0: major=154
> > asr0: ADAPTEC 3200S FW Rev. 370F, 2 channel, 256 CCBs, Protocol
I2O
> >
> > Six 72gig 10KRPM drives in RAID 1+0 config 215Meg per second wow
> >
> > Ken!
> >
> > _______________________________________________
> > freebsd-stable at freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> > To unsubscribe, send any mail to
"freebsd-stable-unsubscribe at freebsd.org"
> >
> >
>
>



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