User manual

Disk images on hard disk
iXOS-JUKEMAN 2.2 User Manual Pre.12/97 209
5.44 Disk images on hard disk
Device type: image
Windows NT UNIX
device=image device=image
drive=D:\fakedisk.iso drive=/fakedisk.iso
Instead of real CD drives you can also use ISO 9660 formatted hard disk
images of CDs (see also "iso9660" on page 136). If the file
D:\fakedisk.iso or /fakedisk.iso is an ISO 9660 formatted disk
image, it can be accessed with the above device description file. The file
system of the image appears as a subdirectory in the file system of iXOS-
JUKEMAN, as if it was a real CD in a real drive. Using this method you
can set up small and fast CD servers running on hard disks only. For ex-
ample with 20 CDs containing 200 MB each, you can set up a server by
copying the CDs on a 4 GB hard disk and adding lines in the format for-
mat
drive=<abbild>
below
device=image
in the device description file.
A convenient way to copy CDs to hard disk is the program cdglow.
Example:
cdglow -s \\.\p0b0t4 -t D:\images\fakedisk.iso -T
or
cdglow -s /dev/iXOS_SCSI0/4 -t /images/fakedisk.iso -T
This will copy the CD in the drive with SCSI ID 4 on the first SCSI bus to
the specified file.
On Windows NT even more CDs can be copied to hard disk if you use the
transparent compression feature of NT. Mit NTFS you can compress a file