Typical error message in the logs are likesd 2:0:0:0: Device not ready: : Sense Key : Not Ready Add.
Seagate FreeAgent Desktop drives are causing data loss to users because they like to power down and the Linux kernel forgets to wake them up.Most common Linux error messages referring to hardware problems:sd 1:0:0:0: SCSI error: return code = 0x10070000end_request: I/O error, dev sda, sector …Buffer I/O error on device sda1, logical block …rejecting I/O to dead devicelost page write due to I/O error on …usb X-Y: device not accepting address Z, error -110reset high speed USB device using ehci_hcd and address 17sd 1:0:0:0: Device offlined – not ready after error recoverysd 1:0:0:0: Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OKsd 1:0:0:0: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OKata1: device not ready (errno=-16), forcing hardresetata1: soft resetting linkhda: status timeout: status=0xd0 Windows often tries to handle and correct some hardware faults silently without reporting them to the user but not all operating systems took the same approach, instead they log the unexpected errors in the /var/log directory, typically in the messages.log, daemon.log, or system.log files. This is not always obvious immediately and the confirmation may require very good skills or special hardware testing utilities (memtest86+, badblocks, smartctl, etc). They are caused by hardware errors (disk, RAM, cable, power supply, motherboard, etc), device driver faults, corrupted file system, software fault or incorrect hardware use. The Input/Output errors mean unexpected, low-level errors. This way we can simply copy our data files to a backup server or shared folder, restore the image, perform a Windows Update, make a new image, copy our data files back, and we're up and running with a clean install as if we'd done a full day of formatting and such! We use Linux for work and for keeping an image of a fresh install of XP on the third partition. If it matters, both laptops are setup with hda1 being ext3 for Debian, hda2 as a 2GB swap partition, and hda3 as an NTFS system with XP Pro 32bit on the XPS and XP Pro 圆4 on this one. I can mount CDROMs, but not the NTFS partition. I also checked and /media/cdrom0 and /media/windows have identical permissions. Not sure what that indicates, as I normally don't play around in /dev! Still, the permissions are the same. As you can see, they're identical, except the '3' is '8' on the new system.
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