Date: Tue, 30 Mar 2010 00:08:51 +0000 From: Paul B Mahol <onemda@gmail.com> To: Alexander Best <alexbestms@wwu.de> Cc: freebsd-current@freebsd.org Subject: Re: fsck unable to read disk sectors Message-ID: <3a142e751003291708nc3e110bjca1789cc807f61a2@mail.gmail.com> In-Reply-To: <permail-20100329221104f0889e8400006cd5-a_best01@message-id.uni-muenster.de> References: <permail-20100329221104f0889e8400006cd5-a_best01@message-id.uni-muenster.de>
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On 3/29/10, Alexander Best <alexbestms@wwu.de> wrote: > hi there, > > when doing fsck on my / fs i get this error: > > "Cannot Read BLK. 471617640" and "The Following Disk Sectors could not be > read: 471617643". after this message the partition gets marked dirty. > > i performed the following steps to verify the problem: > > 1) dd if=/dev/ada0 of=/dev/null bs=1m > 2) fsck / under freebsd 7 > 3) mount -u -o snapshot /.snap/snapshot1 / && fsck_ffs /.snap/snapshot1 > > all three steps showed no problem with that harddrive whatsoever. also > smartd > doesn't complain about anything. > > i'm running HEAD (r205860) on amd64. > > this is the output of `dmesg -a|grep ada0`: > > ada0 at ahcich2 bus 0 scbus3 target 0 lun 0 > ada0: <SAMSUNG SP2504C VT100-50> ATA-7 SATA 2.x device > ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) > ada0: Command Queueing enabled > ada0: 238474MB (488395055 512 byte sectors: 16H 63S/T 16383C) Last time I tried ahci on dead disk it did not complained at all (usually I get dead LBA listed on console).
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