Chapter 3 Configuring Your Library
Setting Tape Drive Parameters
Scalar i500 User’s Guide 83
The paths to open the appropriate screens are as follows:
• From the Web client, select
Setup > I/E Station Slots.
• From the operator panel, select
Setup > Partition Mgmt > Configure I/E
Station Slots
.
Setting Tape Drive Parameters
Administrators can view and modify certain tape drive parameters. You
can set the SCSI ID for a SCSI-attached tape drive. You can set the loop
IDs, topology connection mode, and interface speed for a Fibre-attached
tape drive. You can view but not set parameters for SAS tape drives. A
SAS tape drive’s SAS address is automatically and uniquely generated
based on a unique World Wide Node Name (WWNN) that the drive
receives when it is configured.
If the affected partition is online, it will be taken offline before the
parameters are set, and brought back online after they are set.
Each device on a SCSI bus, including the host bus adapter (HBA) needs to
have a unique SCSI ID. Changing the SCSI ID is necessary when there is a
duplicate ID on a single bus. Typically, the HBA SCSI ID is set to 7. For
example, if two tape drives are connected together on the same bus, each
tape drive must have different SCSI IDs and they must be different from
the HBA SCSI ID.
For SCSI tape drives, you can set the SCSI ID to a value from 0 to 15. The
library assigns the following default SCSI IDs to SCSI tape drives:
• Control module: 1 and 2
• Each expansion module: 3, 4, 5, and 6
Note: If the operation does not complete successfully, the partition
remains offline until you turn it back online manually or
restart the library (see Taking a
Partition Online or Offline on
page 76).
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