Date: Fri, 9 Jul 2010 09:11:33 -0500 From: Diego Arias <dak.col@gmail.com> To: Andrew Snow <andrew@modulus.org> Cc: freebsd-fs@freebsd.org Subject: Re: Freebsd 8 Release /usr Die After host VMWARE Crash Message-ID: <AANLkTimRfbiy3osFNhR7cu_v3a4G-k9cpZ79pON_WA3j@mail.gmail.com> In-Reply-To: <4C367E87.7050505@modulus.org> References: <AANLkTiknH3e0X5lu30azKWguKkgbH_-3pOLQKXinCDPs@mail.gmail.com> <AANLkTilN4EA6hYYRwbPggAdz6O6iPjA_5Em5SU8hXTlC@mail.gmail.com> <4C3563A8.7060301@modulus.org> <688583.92527.qm@web112402.mail.gq1.yahoo.com> <4C358574.2040009@modulus.org> <394586.41761.qm@web112417.mail.gq1.yahoo.com> <AANLkTilVlQQfHc5UTss1Q4Ew4AInt-bln70lkVZ7jEAK@mail.gmail.com> <4C367E87.7050505@modulus.org>
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On Thu, Jul 8, 2010 at 8:42 PM, Andrew Snow <andrew@modulus.org> wrote: > On 08/07/10 23:59, Diego Arias wrote: > >> /dev/ad0s1a on / (ufs, local) >> >> - the machine was installed on VirtualBox then migrated to VMWARE with >> the convert utility from Virtualbox >> > > Ahh, I think this is the problem. When converting from VBox, it uses an > ATA disk, instead of VMWare's default of SCSI guest disks. > > This means FreeBSD enables the ATA write cache by default, which VMware > honors and might be prone to lose data on power outage. > > I suspect you should either set hw.ata.wc=0 in loader.conf, or switch to > SCSI gues disk type. > > But its still possible there was CPU/RAM problems and you were just lucky > that the other guest disks didnt get corrupt as they may not have been > writing to directory metadata at the time of crash. > > > - Andrew > Well you are right, i have ATA type devices (ad0). so im going to change to SAS -- mmm, interesante.....
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