Date: Fri, 20 Feb 2004 09:22:21 +1100 From: Tony Frank <tfrank@optushome.com.au> To: Danny Carroll <danny@dannysplace.net> Cc: freebsd-questions@freebsd.org Subject: Re: Help with Vinum disk crash... Message-ID: <20040219222221.GA88317@marvin.home.local> In-Reply-To: <1077180395.4prky8v4skqo@mailsrv.dannysplace.net> 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>
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Hi, On Thu, Feb 19, 2004 at 09:46:35AM +0100, Danny Carroll wrote: > Thanks for the information... I really need the space now so I am going to wipe > it and start from scratch, although I am not sure if I will use vinum again. > > I guess my main concern is that when one of my disks crashed, the ufs filesystem > got corrupted and I really did not expect that to happen. > > It could be ignorance on my part, I dont know but perhaps someone can help me > understand how this could have happened? Filesystems can get corrupted if the system crashes and does not cleanly close the filesystem first. In your case I'm personally not too sure - some more questions perhaps can help. - Were you using softupdates on the filesystem? - Did the system panic/reboot when the disk crashed without shutting down cleanly? - What version of FreeBSD are you / were you running? > Another thing, Greg, you mentioned that I should have a second plex if I wanted > to protect the data. You mean like a mirror? Surely 1 is enough when we are > talking raid-5? Raid-5 should still work if a single subdisk fails. In your original post you did not indicate if you were using raid5 setup. If you had configured the subdisks as a concatenated or striped plex then there would most likely be no way to continue with a disk missing unless there existed a second plex with a copy of the data. Regards, Tony
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