Path: utzoo!utgpu!attcan!uunet!lll-winken!lll-tis!ames!mailrus!uwmcsd1!marque!gryphon!jdow
From: jdow@gryphon.CTS.COM (J. Dow)
Newsgroups: comp.sys.amiga
Subject: Re: seeking problem solved w/ adaptec, have DiskPerf results.
Message-ID: <5102@gryphon.CTS.COM>
Date: 2 Aug 88 02:52:53 GMT
References: <8807281433.AA02114@cory.Berkeley.EDU> <751@applix.UUCP>
Reply-To: jdow@gryphon.CTS.COM (J. Dow)
Organization: Trailing Edge Technology, Redondo Beach, CA
Lines: 37

In article <751@applix.UUCP> scott@applix.UUCP (Scott Evernden) writes:
>In article <8807281433.AA02114@cory.Berkeley.EDU> dillon@CORY.BERKELEY.EDU (Matt Dillon) writes:
>>
>>	I am now running a hard disk system using that and a StarDrive SCSI
>>controller slapped on the side of my StarBoard on the side of my A1000.
>>Results are as follows:
>>
>>System:	  Duel ST4096 (80MB*2 = 160MB) w/Adaptec 4000A all in an enclosure,
>>	  microbotics Starboard II & StarDrive.  Completely Custom Setup.
>
>Congrats.  I think July was Hard Disk Month, since I and _several_ other
>Amigoids I know got disks this month (also StarDrives).
>
>Your performance figures are pretty good for the SFS; were you using the
>StarDrive's FASTMODE to achieve these Diskperfa results?
>
>I performed these experiments myself, and discovered that performance
>improved noticeably if I _decreased_ the number of buffers- I currently
>use 8.  I also noticed that the WRITE speeds could almost be doubled
>by adjusting the interleave to 2 or 3.
>
>-scott
Based on his figures he is running with a 2:1 interleave with fastmode. Those
are about as good as it can do. I have not tried decreasing the number of
buffers. Thanks for the tip. (Moot for me now as I use FFS exclusively these
days. Love it! - Oh - for 4070's use 3:1 for best speed...)
{@_@}


-- 
Sometimes a bird in the hand leaves a sticky deposit.
Perhaps it were best it remain there in the bush with the other one.

{@_@}
	jdow@bix (where else?)		Sometimes the dragon wins. Sometimes
	jdow@gryphon.CTS.COM		the knight. Does the fair maiden ever
	{backbone}!gryphon!jdow		win? Surely both the knight and dragon
					stink both stink to high heaven.