Date: Mon, 23 Feb 2004 15:01:13 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Tony Frank <tfrank@optushome.com.au> Cc: Danny Carroll <danny@dannysplace.net> Subject: Re: Help with Vinum disk crash... Message-ID: <20040223043113.GV87020@wantadilla.lemis.com> In-Reply-To: <20040219222221.GA88317@marvin.home.local> 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>
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[-- Attachment #1 --] On Friday, 20 February 2004 at 9:22:21 +1100, Tony Frank wrote: > 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. The kind of corruption caused by an unclean shutdown is nothing like this. > - Were you using softupdates on the filesystem? This shouldn't make any difference. > - 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. Yes, he did: V data State: up Plexes: 1 Size: 320 GB P data.p0 R5 State: degraded Subdisks: 4 Size: 320 GB S data.p0.s0 State: stale PO: 0 B Size: 106 GB S data.p0.s1 State: up PO: 3924 kB Size: 106 GB S data.p0.s2 State: up PO: 7848 kB Size: 106 GB S data.p0.s3 State: up PO: 11 MB Size: 106 GB The "R5" on the plex line indicates that it's RAID-5. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html Note: I discard all HTML mail unseen. Finger grog@FreeBSD.org for PGP public key. See complete headers for address and phone numbers. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFAOYIRIubykFB6QiMRArNeAJ9viPQ5pqlfBKqmnPPYnNE8s34OfwCeMtB6 4K8wYlNTRzyvHv32xrflV7Y= =kxtq -----END PGP SIGNATURE-----help
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