Date: Tue, 10 Aug 2010 03:15:10 +0100 From: Adrian Wontroba <aw1@stade.co.uk> To: freebsd-stable@freebsd.org Subject: Re: 8-STABLE Slow Write Speeds on ESXI 4.0 Message-ID: <20100810021510.GA58782@swelter.hanley.stade.co.uk> In-Reply-To: <20100809161124.GA4618@icarus.home.lan> References: <AANLkTi=FNZ%2B=4yMPJBu%2BucGJiHqwMwQvoGcgqB%2BtPJF2@mail.gmail.com> <i3jhn0$ovp$1@dough.gmane.org> <AANLkTik%2BS2fe-sS242OXQprsEA4Oh4t6-CvBCuBCASz7@mail.gmail.com> <AANLkTimMA6OQKt-d6ecM=GmG2ciBTis-nHNovEwvjCB-@mail.gmail.com> <AANLkTimu2JoC6bmaBcSY3e5ovBPnwZ_s_zbRK=v8h7f6@mail.gmail.com> <AANLkTimuPnac_h-ipCyD76j%2B0HGttBxDYyTNdtdU0_sm@mail.gmail.com> <20100809161124.GA4618@icarus.home.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Aug 09, 2010 at 09:11:24AM -0700, Jeremy Chadwick wrote: > FWIW, Workstation 7.1 is fairly adamant about stating "if you want > faster disk I/O, pre-allocate the disk space rather than let disk use > grow dynamically". I've never tested this however. Anecdotal, as I have no comparative performance figures to hand, but under VMware Server 2 on Windows, performance of non pre-allocated disks is dire and SCSI emulation is better than IDE. -- Adrian Wontroba Anything hit with a big enough hammer will fall apart.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20100810021510.GA58782>