Table 4 Troubleshooting Table
Problem | Solution |
|
|
SCSI ID
Changed drive SCSI ID, but | ■ | Make sure that all SCSI devices on the same bus have unique ID |
the host server does not |
| numbers. |
recognize the new ID. | ■ | If the SCSI bus is narrow |
| ||
|
| available. |
| ■ Make sure that you cycle power on the autoloader after | |
|
| changing the SCSI ID. |
| ■ Reboot the host server. | |
|
|
|
Autoloader performance |
|
|
|
|
|
The autoloader is not efficiently | ■ | Check the network bandwidth from the host computer if you are |
backing up data. |
| backing up data over a network. Consider comparing to a local- |
|
| only backup. |
| ■ Make sure that the autoloader is on its own SCSI bus and not | |
|
| |
|
| backed up. |
| ■ Clean the tape drive. See Cleaning the Tape Drive on page 36 | |
|
| for instructions. |
| ■ Try a new cartridge. A marginal cartridge can cause | |
|
| performance problems due to bad spots on the tape requiring |
|
| retries. |
| ■ Make sure that the data is being compressed. | |
| ■ Check the size of the files. Small file size can impact | |
|
| performance. |
| ■ Confirm that the backup application is utilizing block sizes of at | |
|
| least 32KB, preferably 64KB. Refer to the backup application |
|
| documentation for details. |
|
|
|
|
|
|
58 Diagnostics and Troubleshooting | Chapter 4 |
