Date: Wed, 8 Dec 2004 11:54:45 +0000 From: Scott Mitchell <scott+freebsd@fishballoon.org> To: Stijn Hoop <stijn@win.tue.nl>, orville weyrich <weyrich_comp@yahoo.com>, freebsd-questions@freebsd.org Subject: Re: Has anybody EVER successfully recovered VINUM? Message-ID: <20041208115445.GB12830@tuatara.fishballoon.org> In-Reply-To: <20041208113427.GX39558@pcwin002.win.tue.nl> References: <20041208054552.71553.qmail@web50708.mail.yahoo.com> <20041208100905.GA12684@tuatara.fishballoon.org> <20041208105255.GW39558@pcwin002.win.tue.nl> <20041208113013.GA12830@tuatara.fishballoon.org> <20041208113427.GX39558@pcwin002.win.tue.nl>
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On Wed, Dec 08, 2004 at 12:34:27PM +0100, Stijn Hoop wrote: > On Wed, Dec 08, 2004 at 11:30:13AM +0000, Scott Mitchell wrote: > > On Wed, Dec 08, 2004 at 11:52:55AM +0100, Stijn Hoop wrote: > > > AFAIK the only way to guarantee a consistent rebuild is to do it offline (at > > > least in 4.x, haven't tested gvinum in 5.x yet). > > > > > > > To play it safe you might want to unmount the volume before starting. > > > > > > I *have* to. > > > > I normally would unmount first if possible, to make the rebuild run faster > > if nothing else. Guess I'll make sure to do so in future. > > I'm just saying that in my case it didn't work out well. As with any other > advice, it might just work for you :) Sure, I'm definitely not disagreeing with anything you're saying here. I'm inclined to think I have just been lucky the few times I've had to do this in the past, and to maximise my good luck I should take the same precautions that you do in the future :-) I haven't played with gvinum yet either, but I'll probably be looking at a hardware solution (FreeBSD-supported hardware RAID or network-attached storage appliances) when the time comes to replace these servers. Vinum has been excellent, but I always find it really traumatic to deal with, mostly because I have to touch it every 6 months at most. There's always a frantic hour re-reading the documentation, followed by a lot of "I really, really, hope this works" moments before hitting Enter :-( Cheers, Scott -- =========================================================================== Scott Mitchell | PGP Key ID | "Eagles may soar, but weasels Cambridge, England | 0x54B171B9 | don't get sucked into jet engines" scott at fishballoon.org | 0xAA775B8B | -- Anon
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