Date: Mon, 2 May 2005 22:16:42 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Robert Watson" <rwatson@FreeBSD.org>, "Poul-Henning Kamp" <phk@phk.freebsd.dk> Cc: Eric Anderson <anderson@centtech.com> Subject: Re: Very low disk performance on 5.x Message-ID: <008201c54f5c$3f075d80$b3db87d4@multiplay.co.uk> References: <19879.1115061648@critter.freebsd.dk> <20050502214208.M87351@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message -----
From: "Robert Watson" <rwatson@FreeBSD.org>
> I'm not sure if we've seen Linux and FreeBSD dmsg output yet, but
> if nothing else it would be good to confirm if the drivers on both systems
> negotiate the same level of throughput to each drive.
Both drivers ( FreeBSD and Linux ) have identical output on startup.
May 3 22:12:26 r2d2 kernel: hptmv0: <RocketRAID 182x SATA Controller> mem 0xf8200000-0xf827ffff irq 25 at device 1.0 on pci9
May 3 22:12:26 r2d2 kernel: RocketRAID 182x SATA Controller driver Version 1.1
May 3 22:12:26 r2d2 kernel: RR182x [0,0]: channel started successfully
May 3 22:12:26 r2d2 kernel: RR182x [0,1]: channel started successfully
May 3 22:12:26 r2d2 kernel: RR182x [0,2]: channel started successfully
May 3 22:12:26 r2d2 kernel: RR182x [0,3]: channel started successfully
May 3 22:12:26 r2d2 kernel: RR182x [0,4]: channel started successfully
May 3 22:12:26 r2d2 kernel: RR182x: RAID5 write-back enabled
...
May 3 22:12:26 r2d2 kernel: da0 at hptmv0 bus 0 target 0 lun 0
May 3 22:12:26 r2d2 kernel: da0: <RR182x RAID 5 Array 3.00> Fixed Direct Access SCSI-0 device
May 3 22:12:26 r2d2 kernel: da0: 1526216MB (3125691008 512 byte sectors: 255H 63S/T 194565C)
I've now got the noisy beast next to me here just installing 5.4-STABLE
on my test OS disk then free to do what ever tests u guys need doing.
Steve
================================================
This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it.
In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137
or return the E.mail to postmaster@multiplay.co.uk.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?008201c54f5c$3f075d80$b3db87d4>