Two Devices On One Scsi Bus - HP StoreEver 1U User Manual

NOTE: One device per SCSI bus is the recommended configuration for LTO–3 and LTO–4 drives.
Figure 14 Single-device SCSI configuration
1. Device 1
3. SCSI bus 1 cable, SCSI connector nearest terminator is
used for device 1
5. SCSI ID cables, one for each device
CAUTION:
device must be connected to the SCSI port closest to the terminator.

Two Devices on One SCSI Bus

NOTE: It is not recommended to connect two LTO tape drives to the same SCSI bus; performance
may be degraded.
Use the configuration shown below when connecting both devices to the same SCSI bus.
Figure 15 Two-device SCSI configuration
1. Device 1
3. SCSI bus 1 cable; SCSI connector nearest terminator is used for device 2, center connector is used for device 1
4. SCSI bus 2 cable (not used)
To prevent possible data errors, when there is only one device on a SCSI bus that
2. Device 2
4. SCSI bus 2 cable, SCSI connector nearest terminator is
used for device 2
2. Device 2
5. SCSI ID cables, one for each device
Cabling with Two Devices 1 1