Redirect archive0?

Hello UNIX-community,

We have an older SCO UNIX-system running PCS3 (an industrial platform) and since a few weeks we are experiencing problems with our archiving software.

For about ten years, the system archives data to Magneto-Optical discs (MO-discs) and thus far it has worked fine. Recently the archiving routine produces errors and the backup fails. We have changed the hardware (MO-disc, MO-drive and SCSI-card) to no avail.

We still suspect the MO-drive(s) and so we want to remove them from the equation. Instead we want to attach an external SCSI-harddrive to the system and put the data there.

Problem is that we cannot change the executable that performs the backup. Only thing we know is that it writes to "archive0", which is somehow connected to the MO-drive (rmo0).

Is it possible to link "archive0" to an external HDD and could anyone explain the necessary modifications (including the onces needed for mounting the external HDD)?

Thanks in advance. Any help is appreciated :b: