question about external USB HD

Peter Horst phorst at speakeasy.net
Sun Feb 10 16:42:11 UTC 2008


I just bought a Cavalry 1TB dual-3.5" external USB HD and attached it to 
a machine running Fedora Core 5 (which per some advice previously 
received here I intend to switch over to CentOS eventually). I 
partitioned and formatted it according to the directions provided by Red 
Hat here 
<http://www.redhat.com/docs/manuals/linux/RHL-7.3-Manual/ref-guide/s1-filesystem-ext3-create.html>.

The drive mounts and I can put data on it. But these errors come up in 
dmesg on mounting/rebooting.  Is this a bad drive, or am I messing 
something up?

sd 2:0:0:0: SCSI error: return code = 0x08000002
sda: Current: sense key: Aborted Command
    Additional sense: No additional sense information
end_request: I/O error, dev sda, sector 1953546336
Buffer I/O error on device sda, logical block 1953546336
sd 2:0:0:0: SCSI error: return code = 0x08000002
sda: Current: sense key: Aborted Command
    Additional sense: No additional sense information
end_request: I/O error, dev sda, sector 1953546336
Buffer I/O error on device sda, logical block 1953546336
sd 2:0:0:0: SCSI error: return code = 0x08000002
sda: Current: sense key: Aborted Command
    Additional sense: No additional sense information
end_request: I/O error, dev sda, sector 1953546336
Buffer I/O error on device sda, logical block 1953546336
sd 2:0:0:0: SCSI error: return code = 0x08000002
sda: Current: sense key: Aborted Command
    Additional sense: No additional sense information
end_request: I/O error, dev sda, sector 1953546336
Buffer I/O error on device sda, logical block 1953546336
EXT3-fs error (device sda): ext3_check_descriptors: Block bitmap for 
group 880 not in group (block 0)!
EXT3-fs: group descriptors corrupted!
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
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