Date: Tue, 24 Feb 2004 08:30:15 +0100 From: Danny Carroll <danny@dannysplace.net> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: freebsd-questions@freebsd.org Subject: Re: Help with Vinum disk crash... Message-ID: <1077607815.7l8mfcl97gso@mailsrv.dannysplace.net> In-Reply-To: <20040224001635.GM87020@wantadilla.lemis.com> References: <00ed01c3f559$d7f1ac20$8052260a@capgemini.nl> <20040217223827.GM33797@wantadilla.lemis.com> <1077093269.15aypd5fp76s@mailsrv.dannysplace.net> <20040218111653.GB289@marvin.home.local> <1077106518.yyrhxqeampw@mailsrv.dannysplace.net> <20040218140429.GG289@marvin.home.local> <1077180395.4prky8v4skqo@mailsrv.dannysplace.net> <20040219222221.GA88317@marvin.home.local> <20040223043113.GV87020@wantadilla.lemis.com> <1077536659.61xvlite2kso@mailsrv.dannysplace.net> <20040224001635.GM87020@wantadilla.lemis.com>
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> We already discussed this. The likelihood of such far-reaching damage > is low. > Hmmm ok.. > > I can't prove any of this since I urgently needed about 150gb of > > space. So I re-formatted. > > > > Like I said it is a shame since I wanted to understand what happened > > now, but, then again, I was looking for an excuse to change back > > from vinum to normal. > > To be honest, I don't know what else we could have done, since you > haven't supplied the information I asked for. > I know and I am sorry for that. It was just bad timing. I asked for help and then within 24 hours found that I needed a lot of storage really fast. I had to make a decision whether or not to figure out what went wrong or to get on with the task as hand. > > vinum and ide on my system results is very poor disk performance, I > > see a 10-fold increase in read/write actions. I'll be interested in > > revisiting vinum with some SCSI disks sometime soon. > > How did you test it? I have 4 ata133 ide disks, all identical. They run off a promise ata133 io card. With vinum, all 4 disks are accessed at pretty much the same time, no matter what you do. Without, you only access the disk that you are writing to. It goes a lot faster but I have to manage my data usage more. I dont blame vinum, I blame my ide subsystem. -D
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