Date: Mon, 17 Feb 1997 22:40:48 +1030 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: luigi@labinfo.iet.unipi.it (Luigi Rizzo) Cc: hackers@FreeBSD.ORG Subject: Re: File system/disk recovery tools ? Message-ID: <199702171210.WAA11151@genesis.atrad.adelaide.edu.au> In-Reply-To: <199702171021.LAA02229@labinfo.iet.unipi.it> from Luigi Rizzo at "Feb 17, 97 11:21:52 am"
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Luigi Rizzo stands accused of saying: > one of our IDE disks failed (btw these WDC AC31600H are particularly > bad, we have had at least 10 failed units out of about 20; luckily > they come with a 3 yr guarantee!) Hmm, we had one die on us too, similar errors. > labinfo2# fsck /dev/wd2a > ** /dev/rwd2a > > CANNOT READ: BLK 16 > CONTINUE? [yn] y > > Feb 17 12:02:54 labinfo2 /kernel: wd2a: hard error reading fsbn > 17 of 16-31 (wd2 bn 17; cn 0 tn 0 sn 17)wd2: status > 59<seekdone,drq,err> error 40<uncorr> > Feb 17 12:03:01 labinfo2 /kernel: wd2a: hard error reading fsbn > 17 (wd2 bn 17; cn 0 tn 0 sn 17)wd2: status 59<seekdone,drq,err> > error 40<uncorr> > ... > > THE FOLLOWING DISK SECTORS COULD NOT BE READ: 17, 18, 19, 20, 21, 22, > 25, 29, 30, 31, > Floating exception (core dumped) > > is there any way/tool to recover the data on the disk ? dd the whole disk off onto a file and mount it on a vnode? You might have to reconstruct the label and such, and using fsck's '-b' option may also be required. It kinda depends on whats actually wrong with the disk. > Luigi -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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