RE: [SLUG] Hello, first post :)

From: Darrin Jones (darrin@ravenrock.net)
Date: Wed Jan 11 2006 - 18:31:19 EST


Hi Chris,

I was just wondering about asking a cisco config question here but felt it
was off topic.

/dev/hda looks normal to me. I'm not sure about /dev/hdc but I wouldn't
think a slave would matter what mode it was capable of or why the bus speed
seems slow.

Is this an older drive? Newer drives default to their highest PIO transfer
mode. Modes live in the chipset/driver I believe so maybe it's a linux
driver issue?

Anyway, welcome to SLUG. =)

Darrin

> -----Original Message-----
> From: slug@nks.net [mailto:slug@nks.net] On Behalf Of Chris Mathey
> Sent: Wednesday, January 11, 2006 15:58
> To: slug@nks.net
> Subject: [SLUG] Hello, first post :)
>
> Hi!,
> I just wanted to chew some bandwidth and introduce myself.
> I've been a
> lurker for awhile and see that the folks on this list are top notch :)
> To give you a little background on me. I am a Sr. level network
> engineer for one of the nations largest banks. Hopefully I
> can add some
> network knowledge along with the networking experts on this list.
> I've been using Linux since circa 2000 and have played with alot of
> distros\apps.
>
> Ok so.. for my first question
> on my home server I was playing with hdparm. (suse 9.2)
>
> *my main disk reads:
> /dev/hda:
>
> UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
>
> * and tests @
> /dev/hda:
> Timing buffered disk reads: 100 MB in 3.00 seconds=
> 33.32MB/sec
>
> ** my "storage" disk reads:
> /dev/hdc:
>
> UDMA modes: udma0 udma1 *udma2
>
> ** and tests @
> /dev/hdc:
> Timing buffered disk reads: 70 MB in 3.05 seconds = 22.95
> MB/sec
>
> Both disks are capable of UDMA mode 5, however /dev/hdc only
> lists up to
> udma2. Why do you think mode 5 is not listed? I haven't checked but
> It's possible a CD-ROM is slaved on the same channel. Could
> that be it?
>
> Does /dev/hda's timing look around par?
>
> TIA
> -Chris
>
>
>
>
>
>
>
>
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