Red Hat Bugzilla – Bug 4814
IDE/floppy support for ATAPI zip drive compromises data
Last modified: 2008-08-01 12:22:51 EDT
As distributed the Redhat 6.0 kernel with all redhat updates
released through 30Aug99 does not function with an Iomega
internal ATAPI zip drive.
Symptoms: drive can be mounted, single files can be read and
written. When large numbers of files are copied "cp -r" to
a vfat formated disk, the directory structure below the top
couple levels is completely unreadable. After this has
occured it is impossible to deleted the affected directory
tree. Since the integrety of the data cannot be relyed
upon, the drive is essentially useless. Since the drive
appears to work, this problem can easily cause serious loss
Work around: I found that if the kernel is rebuilt with
CONFIG_BLK_DEV_IDEFLOPPY is not set
CONFIG_BLK_DEV_IDESCSI = y
CONFIG_CHR_DEV_SG=y (not verified as necessary)
then the zip drive functions well. This apparently forces
the zip drive to be accessed via a SCSI emulation.
Naive suggestion: Build the default RH kernel with the
listed changes. This also provides zip eject
functionality. See "Running an ATAPI Zip Drive" by Steve
Further configuration and hardware information can be
supplied upon request.
we should have a kernel errata shortly that addresses this issue.