Date: Tue, 12 Sep 2000 10:13:16 -0400 (EDT) From: Thomas David Rivers <rivers@dignus.com> To: julian@elischer.org, nik@FreeBSD.ORG Cc: current@FreeBSD.ORG Subject: Re: VMWare on -current, how fast should I expect it to be? Message-ID: <200009121413.KAA51124@lakes.dignus.com> In-Reply-To: <39BE38FC.41C67EA6@elischer.org>
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Julian Elischer (julian@elischer.org) wrote: > > Nik Clayton wrote: > > > > Hi guys, > > > > For those of you running VMWare (2) on -current, how fast do you expect it to > > be? > > > > I'm running it quite successfully on a 750MHz PIII w/ 128MB RAM, and the > > following disk controller / disk > > > > atapci0: <Intel PIIX4 ATA33 controller> port 0xfc90-0xfc9f at device 7.1 on pci0 > > ata0: at 0x1f0 irq 14 on atapci0 > > ata1: at 0x170 irq 15 on atapci0 > > ad0: 17301MB <FUJITSU MHJ2181AT> [35152/16/63] at ata0-master using UDMA33 > > > > This is -current from about three weeks ago. It works, but it's a bit slow. > > Applications themselves run at a reasonable speed, but every now and then > > (can be as frequent as 10-15 seconds) > > use only virtual disks and see if it still happens. > I found (on vmware 1) that using the raw disks was a recipe for > poor performance. Since we don't have block devices any more, > we are screwed in this regard. Virtual disks (files) are however > buffered and so can sometimes work faster. > I'm confused... I thought one of the justifications for removing the block devices was "look - Linux doesn't have any." So, if Vmware runs on Linux, and Linux doesn't have any block devices, why would Vmware need block devices? [Of course, I'm speaking in absence of knowledge - does Linux have/not have block devices?] - Dave Rivers - -- rivers@dignus.com Work: (919) 676-0847 Get your mainframe (370) `C' compiler at http://www.dignus.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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