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Old 06-12-2005, 11:50 AM   #1
Registered: Oct 2003
Distribution: Gentoo, Mint, Ubuntu, Vector
Posts: 174

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Lexar Jumpdrive, detected, but cannot read/write/mount

Hi all,

Having a problem getting my Jumpdrive USB stick to work. I'm thinking it is FUBAR'd. Any suggestions greatly appreciated..


mount /dev/sda /mnt/jumpdrive/
mount: /dev/sda is not a valid block device

mkfs /dev/sda
mke2fs 1.37 (21-Mar-2005)
/dev/sda is entire device, not just one partition!
Proceed anyway? (y,n) y
mkfs.ext2: No such device or address while trying to determine filesystem size

dmesg output >>

usb-storage: waiting for device to settle before scanning
Vendor: LEXAR Model: JUMPDRIVE Rev: 1.20
Type: Direct-Access ANSI SCSI revision: 01 CCS
SCSI device sda: 503808 512-byte hdwr sectors (258 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
SCSI device sda: 503808 512-byte hdwr sectors (258 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
/dev/scsi/host1/bus0/target0/lun0:<6>usb 3-3: reset full speed USB device using ohci_hcd and address 4
scsi: Device offlined - not ready after error recovery: host 1 channel 0 id 0 lun 0
SCSI error : <1 0 0 0> return code = 0x50000
end_request: I/O error, dev sda, sector 0
Buffer I/O error on device sda, logical block 0
scsi1 (0:0): rejecting I/O to offline device
Buffer I/O error on device sda, logical block 0
unable to read partition table
Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0, type 0
usb-storage: device scan complete

localhost dev # ls sd* -l
lr-xr-xr-x 1 root root 33 Jun 12 10:50 sda -> scsi/host1/bus0/target0/lun0/disc
Old 06-12-2005, 02:20 PM   #2
Senior Member
Registered: Jan 2004
Location: Slovenia
Distribution: Slackware 10.1, SLAX to the MAX :)
Posts: 1,040

Rep: Reputation: 45
well. You probably only want to mount only one partition. Try mount /dev/sda1 /mnt/jumpdrive

This way you will mount the first (probably only) partition on the jumpstick :P (drive--->whatever )

Hope it helps.

fdisk -l should give some helpfull info too. It should list the device.


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