Re: ULTRA ATA/100 announced

Gregory Maxwell (greg@linuxpower.cx)
Tue, 6 Jun 2000 15:15:05 -0400 (EDT)

> this is fine, as you can always add more controllers, but theoretically (never
> tried myself)
> you can attach 32 SCSI 3 devices to a scsi3 bus.
> that's quite an amount of drives, especially with an extrenal drive cage, and
> raid, and, considering
> most motherboards with onboard adapters have dual adapters, = 64 drives on two
> controllers.
[snip]

Unfortunatly, today three fast drives could saturate a 160M bus and four
probably could saturate 32bit,33mhz PCI. The one controler, dozens of
drives model is outdated.

In the future, serial ATA will place one bus/drive and several busses per
PCI bus. Command queueing, disconnect, hotswap arnt much of an issue with
one controler per drive.

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