Re: DMA on Friday night server

Joshua Kugler wrote:

>On Thursday 07 July 2005 19:59, Damien Hull wrote:
>
>
>>I think I have DMA working on the Friday night server.
>>
>> hdparm -Tt /dev/hdb
>>
>> /dev/hdb:
>> Timing cached reads: 348 MB in 2.00 seconds = 173.68 MB/sec
>> Timing buffered disk reads: 64 MB in 3.09 seconds = 20.72 MB/sec
>>
>>
>
>/dev/hda:
> Timing cached reads: 1748 MB in 2.00 seconds = 872.82 MB/sec
> Timing buffered disk reads: 186 MB in 3.02 seconds = 61.66 MB/sec
>
>And on my work box:
>
>/dev/hda:
> Timing buffer-cache reads: 2412 MB in 2.00 seconds = 1206.18 MB/sec
> Timing buffered disk reads: 160 MB in 3.03 seconds = 52.78 MB/sec
>
>Muhaha. Both of those, of course, are at UDMA5.
>
>What is the processor speed of this box? As Greg noted, your tests were only
>running at UDMA 2. That might be all the box is capable of...how recent a
>motherboard are we dealing with here?
>
>j----- k-----
>
>
>
It's a Dell OptiPlex. I'm trying to find out if I can set /dev/hdb above
UDMA 2.

    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 5
    model name : Pentium II (Deschutes)
    stepping : 1
    cpu MHz : 331.776
    cache size : 512 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge
    mca cmov pat pse36 mmx fxsr
    bogomips : 653.31

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Received on Fri Jul 8 08:58:19 2005