Messages in this thread |  | | Date | Tue, 23 Jan 2001 20:41:53 -0800 (PST) | From | Matthew Jacob <> | Subject | RE: No SCSI Ultra 160 with Adaptec Controller |
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On Tue, 23 Jan 2001 Matt_Domsch@Dell.com wrote:
> Hi Tom. Thanks for writing. > > > Since this machine has Quantum drives I guess this is my > > problem. Does anyone > > know if this code is still actually necessary? It seems > > it's been there a > > while. It's disappointing to not get full performance out of > > the hardware you > > have. > > Yes, that code is still necessary. There's a new aic7xxx driver by Justin > Gibbs at Adaptec which is now being beta tested which corrects this issue. > Something to note, however: the media transfer rate for those disks is at > most ~20MB/sec.
Actually, aren't a number of newer drives getting upwards of 30MB/s?
> Therefore, you only exceed the 80MB/sec bus speed if you > have more than 4 disks all doing maximum I/O at the same time. Since the > PowerApp.web 100 has at most 2 disks internally, you really shouldn't see > any significant performance difference. > > Hope this helps. > Thanks for buying Dell! > Matt Domsch > Dell Linux Systems Group > Linux OS Development > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/ >
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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