fdisk is not working

LinuxPadawan · 04-05-2005, 09:17 PM

I tried to use fdisk on my external usb drive and it says that /dev/sda cannot be read. what can I do to fix this?

ahwkong · 04-06-2005, 04:21 AM

First of all check the dmesg

Can you run

Code:

dmesg | grep sda

and post the result here?

LinuxPadawan · 04-06-2005, 04:05 PM

[root@localhost ~]# fdisk /dev/sda

Unable to read /dev/sda

[root@localhost ~]# dmesg | grep sda

sda: Unit Not Ready, sense:

SCSI device sda: 586114704 512-byte hdwr sectors (300091 MB)

sda: assuming drive cache: write through

sda:end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 586114696

Buffer I/O error on device sda, logical block 73264337

end_request: I/O error, dev sda, sector 586114696

Buffer I/O error on device sda, logical block 73264337

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

Attached scsi disk sda at scsi0, channel 0, id 0, lun 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

Buffer I/O error on device sda, logical block 1

Buffer I/O error on device sda, logical block 2

Buffer I/O error on device sda, logical block 3

Buffer I/O error on device sda, logical block 4

Buffer I/O error on device sda, logical block 5

Buffer I/O error on device sda, logical block 6

Buffer I/O error on device sda, logical block 7

Buffer I/O error on device sda, logical block 8

Buffer I/O error on device sda, logical block 9

Buffer I/O error on device sda, logical block 10

Buffer I/O error on device sda, logical block 11

Buffer I/O error on device sda, logical block 12

Buffer I/O error on device sda, logical block 13

Buffer I/O error on device sda, logical block 14

Buffer I/O error on device sda, logical block 15

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 512

Buffer I/O error on device sda, logical block 64

Buffer I/O error on device sda, logical block 65

Buffer I/O error on device sda, logical block 66

Buffer I/O error on device sda, logical block 67

Buffer I/O error on device sda, logical block 68

Buffer I/O error on device sda, logical block 69

Buffer I/O error on device sda, logical block 70

Buffer I/O error on device sda, logical block 71

end_request: I/O error, dev sda, sector 512

Buffer I/O error on device sda, logical block 64

end_request: I/O error, dev sda, sector 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

Buffer I/O error on device sda, logical block 1

Buffer I/O error on device sda, logical block 2

Buffer I/O error on device sda, logical block 3

Buffer I/O error on device sda, logical block 4

Buffer I/O error on device sda, logical block 5

Buffer I/O error on device sda, logical block 6

Buffer I/O error on device sda, logical block 7

Buffer I/O error on device sda, logical block 8

Buffer I/O error on device sda, logical block 9

Buffer I/O error on device sda, logical block 10

Buffer I/O error on device sda, logical block 11

Buffer I/O error on device sda, logical block 12

Buffer I/O error on device sda, logical block 13

Buffer I/O error on device sda, logical block 14

Buffer I/O error on device sda, logical block 15

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 586114696

Buffer I/O error on device sda, logical block 73264337

end_request: I/O error, dev sda, sector 586114696

Buffer I/O error on device sda, logical block 73264337

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

Buffer I/O error on device sda, logical block 1

Buffer I/O error on device sda, logical block 2

Buffer I/O error on device sda, logical block 3

Buffer I/O error on device sda, logical block 4

Buffer I/O error on device sda, logical block 5

Buffer I/O error on device sda, logical block 6

Buffer I/O error on device sda, logical block 7

Buffer I/O error on device sda, logical block 8

Buffer I/O error on device sda, logical block 9

Buffer I/O error on device sda, logical block 10

Buffer I/O error on device sda, logical block 11

Buffer I/O error on device sda, logical block 12

Buffer I/O error on device sda, logical block 13

Buffer I/O error on device sda, logical block 14

Buffer I/O error on device sda, logical block 15

end_request: I/O error, dev sda, sector 0

Buffer I/O error on device sda, logical block 0

ahwkong · 04-06-2005, 06:21 PM

This may be relevant to your case

http://www.linuxquestions.org/questi...postid=1197015