Date: Tue, 10 Aug 2010 00:03:50 -0400 From: Joshua Boyd <boydjd@jbip.net> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: 8-STABLE Slow Write Speeds on ESXI 4.0 Message-ID: <AANLkTindHAPC56VD4oGzKLSd4XKztSJNcz4CM0o01ydc@mail.gmail.com> In-Reply-To: <i3p6il$djf$1@dough.gmane.org> References: <AANLkTi=FNZ%2B=4yMPJBu%2BucGJiHqwMwQvoGcgqB%2BtPJF2@mail.gmail.com> <i3jhn0$ovp$1@dough.gmane.org> <AANLkTik%2BS2fe-sS242OXQprsEA4Oh4t6-CvBCuBCASz7@mail.gmail.com> <AANLkTimMA6OQKt-d6ecM=GmG2ciBTis-nHNovEwvjCB-@mail.gmail.com> <AANLkTimu2JoC6bmaBcSY3e5ovBPnwZ_s_zbRK=v8h7f6@mail.gmail.com> <AANLkTimuPnac_h-ipCyD76j%2B0HGttBxDYyTNdtdU0_sm@mail.gmail.com> <i3p6il$djf$1@dough.gmane.org>
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On Mon, Aug 9, 2010 at 11:24 AM, Ivan Voras <ivoras@freebsd.org> wrote: > On 9.8.2010 17:12, Ivan Voras wrote: > > On 9 August 2010 16:55, Joshua Boyd <boydjd@jbip.net> wrote: > >> On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras <ivoras@freebsd.org> wrote: > > >> I'm going to try 7.3-RELEASE today, just to make sure that this isn't a > >> regression of some kind. It seems from reading other posts that this > used to > >> work properly and satisfactorily. > > > > Nope, I've been messing around with VMWare for a long time and the > > performance penalty was always there. > > Hmmm, I've been thinking a little and after retesting one of my guests > on a 12-drive RAID-6 HP FC enclosure, and your 40 MB/s writes actually > do seam slow. I'm getting around 110 MB/s sequential reads and writes > (untuned) and the guest controller is recognized as: > > mpt0: <LSILogic 1030 Ultra4 Adapter> port 0x1400-0x14ff mem > 0xd8820000-0xd883ffff,0xd8800000-0xd881ffff irq 17 at device 16.0 on pci0 > mpt0: [ITHREAD] > mpt0: MPI Version=1.2.0.0 > > on 7.3-release, i386, ESXi 4.0. > > Are you sure you are testing when no others guests generate IO? > There was definitely IO, but nothing signicant. I'd have to schedule a maintenance period to shut down all other guests, and the second ESXI box, since they both use the same MD3000 as DAS. > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Joshua Boyd JBipNet E-mail: boydjd@jbip.net http://www.jbip.net
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