On 21/09/05, James B. Byrne <ByrneJB at harte-lyne.ca> wrote: > I have an external HP SureStore DLT VS80 with a SCSI LVD 68 pin > interface and an external HP SureStore DAT24 with a SCSI Centronics > 50 pin Narrow SE interface. The cable for the DAT has a Centronics > connector at one end and a 68 Pin Wide to Narrow terminated > connector at the other. The cable for the DLT has a LVD/SE 68 pin > connector at both ends. I have terminator blocks for both devices. > > If I connect the devices thus: > > terminator --> DAT --> DLT --> scsi_hostadapter (boot hangs) > > Then the system hangs when booting. I can get the system to boot > up form this point by turning off both external tape drives. If I > connect the devices individually then the host boots and the system > can access which ever is attached to the host. > > terminator --> DLT --> scsi_hostadapter (boots, device accessible) > > terminator --> DAT --> scsi_hostadapter (boots, device accessible) > > My question is: Is it possible to daisy-chain these two devices to > the host in manner that permits the system to boot and access both; > and if so, how does one accomplish this? Are you mixing HVD and LVD cabling? What are the SCSI IDs for each of the tape drives? Will.