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lawrencegoodman 01-27-2004 11:14 AM

Trouble Mounting USB CDRW
I have just purchased an external Iomega Zip650 CDRW which connects by a USB port.

cdrecord -scanbus returns the following:
cdrecord: Warning: using unofficial libscg transport code version ( '@(#)scsi-linux-sg.c 1.75 02/10/21 Copyright 1997 J. Schilling').
cdrecord: Warning: controller creates hard SCSI failure when retrieving CD capabilities page.
0,0,0 0) 'IOMEGA ' 'ZIPCD 650 USB ' 'I1.1' Removable CD-ROM

I added the following line to my fstab:
/dev/scd0 /media/cdrw udf,iso9660 rw,noauto,users,exec,dev,suid 0 0

When I type mount /dev/scd0, I get the following:
mount: block device /dev/scd0 is write-protected, mounting read-only

How do I get it to consider the drive writeable?


tmorton 01-27-2004 11:18 AM

The drive doesn't need to be mounted read-write in order to be burned to. You might not even want it mounted. To burn, use something like cdrecord or XCDRoast.

michaelk 01-27-2004 02:31 PM

You do not mount a CD to burn and a blank CD can not be mounted because there isn't any filesystem i.e data.

AFAIK packet writing aka DirectCD or InCD for linux is still in the experimental stage. linux can read DirectCD formated CDRWs which is what the udf is for in fstab.

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