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SubjectRE: Dilemma: Replace Escalade with Adaptec 2400A or Promise Super trak66?
Date
All the Adaptec I2O RAID products use the same driver, including the
ATA(Adaptec 2400A) based one. The ATA drives/arrays will appear to the OS
as a scsi
device. The driver was in the last Linus release also (2.4.10). I am
running the adaptec 2400A on a 2.4.6 kernel which i patch with adaptecs
dirvers, with no problems..

Ryan



> -----Original Message-----
> From: jkniiv@hushmail.com [mailto:jkniiv@hushmail.com]
> Sent: Wednesday, October 10, 2001 10:08 AM
> To: linux-kernel@vger.kernel.org
> Subject: Dilemma: Replace Escalade with Adaptec 2400A or Promise
> Supertrak66?
>
>
>
> -----BEGIN PGP SIGNED MESSAGE-----
>
> Hi folks,
>
> I'm sorry to involve you lot but I have a dilemma of how to
> replace a problematic 3Ware Escalade 6400 with another ATA
> RAID controller due to the known problem of Escalade "losing"
> one or several drives from my striped mirror (RAID10). It
> needs a reboot and juggling the drives back and forth before
> it rebuilds the set. Now that 3Ware seems to be discontinuing
> the line, this issue probably won't be resolved any time soon
> and I'm wondering which one of two remaining options, Adaptec
> 2400A or Promise Supertrak66/100 is reasonably compatible
> with recent (2.4.[89]) Alan Cox kernels? (compatible ==
> hopefully reliable)
>
> I know that both are based on an I2O architecture so there's
> some hope, at least, even if there is very little support
> officially by Adaptec or Promise. Alan himself has proclaimed
> that the Supertrak works for him just fine, but I presume
> there are no Linux-based utilities available yet. Is there
> then any way to find out if a drive has gone south and needs
> to be replaced -- kernel log messages, maybe?
>
> The Adaptec 2400A is presumably very much like the 2100S SCSI
> model. Adaptec has released some binary only drivers and
> utilities but none for the 2.4 kernel line. There are however
> some beta stage drivers (dpt_i2o) available as source for the
> SCSI models. Now, I happened to list the symbols of the
> binary only driver for the 2400A (dpt_i2o.o) and came to the
> conclusion that they are the very same as in the SCSI driver
> source! Any differences ought to be small. Now, I'm wondering
> whether anybody has already tested the driver with a 2400A? Alan?
>
> Yours,
>
> // Jarkko Kniivila, CIO, Ambientia Ltd., Finland
>
> -----BEGIN PGP SIGNATURE-----
> Version: Hush 2.0
>
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> FRTf26MRGbvJ79i6hiXdWwBO9ksAn2nROfTFKpsfOfOROgjHNWPIVmm5
> =4bKb
> -----END PGP SIGNATURE-----
>
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