Re: Very low disk performance on 5.x

From: Steven Hartland (killing_at_multiplay.co.uk)
Date: 05/02/05

  • Next message: Jonathan Noack: "Re: Very low disk performance on 5.x" 
    To: "Robert Watson" <rwatson@FreeBSD.org>, "Poul-Henning Kamp" <phk@phk.freebsd.dk>
Date: Mon, 2 May 2005 22:16:42 +0100

    ----- 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

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  • Next message: Jonathan Noack: "Re: Very low disk performance on 5.x"

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