Re: 7200RPM 4G drive quieter than Grand Prix?

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#23

From: Andy Toy
Date: Wed, 30 Aug 1995 08:18

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In article <41ubhu$ag5@Radon.Stanford.EDU>,
Vaughan R. Pratt <pratt@Sunburn.Stanford.EDU> wrote:
>In article <41tltc$sp@datamagic.com>,
>Steve Kanefsky <kanefsky@datamagic.com> wrote:
>>Here are the results of "bonnie -s 100" on both drives (I found bonnie at
>>
>>             -------Sequential Output-------- ---Sequential Input-- --Random--
>>             -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
>>Machine   MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>>ST15150W 100   659 94.0   794 24.7   604 21.8   674 85.2  2021 46.5  69.6 13.5
>>XP34301  100   834 99.3  1887 95.4  1092 63.1   839 91.9  2729 66.6  53.3  9.3
>>This is a machine with a pretty slow SCSI bus by today's standards, so I'm 
>>more interested in the relative numbers here than absolute.
>
>using "Adaptac 2940/3940 driver.  Similar configuration, e.g., P54C, 256K
>cache, 32 or 64MB of main memory."
>Machine   MB K/sec %CPU  K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
>ST15150N  100  3225 98.3  6199 46.6  2344 22.2  3441 96.8  6564 35.9 121.5  7.8

Here's some more bonnie data from a SPARC 20 model 502MP, 160MB RAM:
Drives tested were Seagate Barracuda 2 & 4, Hawk 4, and Micropolis 1926.

bonnie -s 100:
              -------Sequential Output-------- ---Sequential Input-- --Random--
              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
ST12550N  100  1664 92.8  4492 59.1  3593 64.6  1522 95.4 12110 94.6 821.8 106.5
ST15150WD 100  1709 94.4  5907 80.9  4406 81.7  1526 95.6 10777 89.4 1321.8 160.5
ST15230N  100  1676 93.3  3705 52.2  3166 57.4  1503 95.0 13140 97.2 775.0 96.1
M1926-15  100  1544 83.0  2414 29.2  1748 27.3  1389 86.5  9430 70.0 532.6 63.9

bonnie -s 40 (didn't have enough disk space):
SUN1.05    40  1677 91.6  2271 28.2  2420 39.3  1535 95.2 13135 97.0 946.3 113.9
-- 
Andy Toy, andy@mks.com, Computing Services, Mortice Kern Systems, Inc.
--The MKS Toolkit, don't leave $HOME without it.

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Path: arc1-ca.pugleaf.net!mks.com!andy

References: <41acsb$19r@datamagic.com> <41orvr$3mh6@news.gate.net> <41tltc$sp@datamagic.com> <41ubhu$ag5@Radon.Stanford.EDU>

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Path: arc1-ca.pugleaf.net!mks.com!andy
From: andy@mks.com (Andy Toy)
Newsgroups: comp.sys.mac.hardware.storage,comp.sys.ibm.pc.hardware.storage,comp.periphs.scsi
Subject: Re: 7200RPM 4G drive quieter than Grand Prix?
Date: 30 Aug 1995 08:18:30 GMT
Organization: Mortice Kern Systems, Inc., Waterloo, Ontario, Canada
Message-ID: <4216sm$4ic@ia.mks.com>
References: <41acsb$19r@datamagic.com> <41orvr$3mh6@news.gate.net> <41tltc$sp@datamagic.com> <41ubhu$ag5@Radon.Stanford.EDU>
NNTP-Posting-Host: giga.mks.com

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