However, look at the DI-x0 Linux support page before using it. SCSI specs are unfortunately not freely available. Some copies of the draft version of the SCSI-II spec are floating around. Actually, you can find the draft versions on the pages of the T10 committee . I don't know, why the ANSI does not allow the final approved versions to be freely available.
Free software is in trouble if standards are hidden.
CVS is up and running, and almost completely filled with the base data. For the mailing list, the DNS entry needs to be there, first. While the userspace osg gets better and better, the kernelspace OnStream SCSI tape driver osst starts to become useable. Reading and writing basically works, but the error recovery needs to be implemented before an alpha release can be published. For the latter, you need at least a 2.4.0-test12 kernel and you need to activate freecom support.