HP Q1581A HP DDS/DAT drives UNIX, Linux and OpenVMS configuration guide (DW049 - Page 21

4 HP (Tru64 5.1x) servers and workstations NOTE: Only SCSI drives and autoloaders are supported on HP Alpha Tru64 systems. Updating the tape driver NOTE: DDS-4 and DAT 72 drives are natively supported on HP Alpha Tru64 v5.1B-2 and above. DAT 160 drives are natively supported on HP Alpha Tru64 V5.1B-3. Steps 1-3 below are only required for earlier versions of Tru64. 1. Versions of Tru64 before v5.1B-2 only (v5.1B-3 for DAT 160 drives): Modify the SCSI Tape Density Table in the /etc/ddr.dbase file to include: scsi_tape_density[0x48] = "174500_bpi" 174500 0 (DAT160) scsi_tape_density[0x47] = "163000_bpi" 163000 0 (DAT72) scsi_tape_density[0x26] = "97000_bpi" 97000 0 2. Versions of Tru64 before v5.1B-2 only (v5.1B-3 for DAT 160 drives): Add the following entry to your /etc/ddr.dbase file: DAT 160 drives: SCSIDEVICE # # Matches the DAT160 dat drive from HP # Type = tape Name = "HP" "DAT160" # # PARAMETERS: TypeSubClass = rdat TagQueueDepth = 0 MaxTransferSize = 0x0ffffff # (16MB - 1) ReadyTimeSeconds = 180 # seconds # # Vendor Unique mode select parameters for rewind after reset behavior # MODESELECT: ModeSelectNumber = 0 SavePage = No PageFormat = scsi2 BlockDescriptor = yes TransferLength = 16 Hdr.Tape.BufferMode = 0x1 Data.UBYTE[0] = 0x3D #Vendor Unique Page Code 0x3D Data.UBYTE[1] = 0x02 Data.UBYTE[2] = 0x01 Data.UBYTE[3] = 0x00 HP Evolution II DDS/DAT drives: UNIX, Linux and OpenVMS configuration guide 21