kei...@strucktower.com wrote: > keith@t520:~/evesdb4/mp3/misc$cp -vr /media/cdrom0/*.mp3 ./ > `/media/cdrom0/01 Zephyr & I.mp3' -> `./01 Zephyr & I.mp3' > cp: reading `/media/cdrom0/01 Zephyr & I.mp3': Input/output error > cp: failed to extend `./01 Zephyr & I.mp3': Input/output error > `/media/cdrom0/01 All I Want To Do.mp3' -> `./01 All I Want To Do.mp3' > cp: reading `/media/cdrom0/01 All I Want To Do.mp3': Input/output error > cp: failed to extend `./01 All I Want To Do.mp3': Input/output error
Anytime I see "Input/Output error" my eyes go white and I look for a hardware failure. Are you sure your disk is operating okay? It could very well be that your disk is throwing I/O errors indicating a hardware fault. Look in /var/log/syslog and see if the kernel is also logging errors. If it is then the problem is likely not software but a failing disk drive. One of the problems with usb enclosures are that they tend to be inexpensive (read as cheap), tend to get hot, tend to not report errors correctly, tend to take a lot of abuse, and tend to die early. More than once I have had the usb controller die with an okay disk. I have pulled the drive out and placed the drive into a different enclosure or just install it inside a deskside case and it will be fine. And of course the other way around with the disk dying also often happens. Typically cheap usb enclosures do now allow SMART data to be read from the drive. But some of the more recent models do allow SMART data to be read. If yours is one of the nicer ones then you will be able to read the SMART data and get more information about your disk. # smartctl -i /dev/sdg # <-- use whatever is the right disk device If SMART is available to you then: # smartctl -l error /dev/sdg # smartctl -a /dev/sdg # smartctl -t short /dev/sdg # sleep 60 # smartctl -l selftest /dev/sdg Bob
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