Xref: utzoo comp.unix.aix:724 comp.periphs.scsi:151
Newsgroups: comp.unix.aix,comp.periphs.scsi
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Risc System/6000
Message-ID: <1990Mar13.190317.17846@utzoo.uucp>
Organization: U of Toronto Zoology
References: <1660@aber-cs.UUCP> <51507@sgi.sgi.com> <PCG.90Mar2184300@rupert.cs.aber.ac.uk> <1990Mar9.022931.4674@world.std.com> <132788@sun.Eng.Sun.COM>
Date: Tue, 13 Mar 90 19:03:17 GMT

In article <132788@sun.Eng.Sun.COM> mjacob@sun.UUCP (Matt Jacob) writes:
>... With the coming of SCSI-2
>multiple command targets, it seems to me that one should just
>concentrate on getting requests out to the target as quickly
>as possible and let the microprocessor on the drive figure out
>the best order do them in.

This is reasonable, provided that (a) one can impose constraints on the
ordering to meet filesystem-integrity requirements, and (b) the micro
on the drive has enough queue space for (potentially) hundreds of
requests.  I'm not holding my breath.
-- 
MSDOS, abbrev:  Maybe SomeDay |     Henry Spencer at U of Toronto Zoology
an Operating System.          | uunet!attcan!utzoo!henry henry@zoo.toronto.edu