How to clean the SUN SL 500 Tape Library drives?

The library tape drives require periodic cleaning to prevent read and write errors. There are two methods of cleaning the drives.

1. Automatic Cleaning
2. Manual Cleaning

We must use cleaning cartridges with the compatible media types with the drive types in the library. Cleaning cartridges have a limited life span.

It is important to enter only new cleaning cartridges into the library. When we enter a cleaning cartridge into the library, the library controller considers the cartridge to be new and sets the usage count to zero.

Whenever a cleaning cartridge is used to clean a drive, its usage count is incremented. When a cleaning cartridge’s usage count exceeds its threshold, the cartridge must be replaced.

Refer to the tape drive publications to determine the maximum usage count or threshold, for each type of cleaning cartridge.

We can use the SL Console to display the status of a cleaning cartridge at any time. The following statuses are possible:

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 OK status indicates that the cartridge is still within the threshold.
Warning status indicates that the cartridge has reached the threshold.
Expired status indicates that the cartridge has exceeded the threshold.
WE must take care when ejecting expired cleaning cartridges from the library. If we move an expired cleaning cartridge to a CAP and open the CAP, we must remove the cartridge. If we close the CAP without removing the cleaning cartridge first, the HandBot will re-enter the expired cartridge into the library, and the library controller will reset the usage count to zero.

Automatic Cleaning of the library drives:
The library controller automatically initiates a cleaning operation whenever a drive requires cleaning only if the auto clean enabled.
The HandBot retrieves an appropriate cleaning cartridge (based on drive type) from the reserved cells, mounts the cartridge onto the drive, and returns the cartridge to its assigned storage cell after cleaning is complete.

How to Configure the Drive Auto Clean?
If the library is partitioned, auto clean can be enabled or disabled for individual partitions.
At first Select Tools > System Detail, and select the library folder in the device tree.
Then click Auto Clean and then Configure. The Configure Auto Clean screen appears.
Set the Auto Clean field to Enabled.
 In the Threshold Configuration section, specify the warning thresholds for each cartridge type.
 Click Apply

Manual Cleaning of the library drives:
If auto clean is disabled, we must initiate drive clean operations manually. To verify whether a drive needs cleaning, we can use the SL Console to display a drive’s cleaning status and the date when it was last cleaned.
Even if auto clean is enabled, we may want to clean a drive before it is due. Therefore, we can initiate a manual clean at any time.
We can use the SL Console to generate a cartridge summary and drive details report to locate the correct type of cleaning cartridge for a particular drive.

How to clean a drive manually?
Before initiating a clean job, make sure that the system cells have the appropriate cleaning cartridges for the drives being cleaned and generate a cartridge summary and drive details to report to verify the cleaning cartridges present in the library.
1. Select Tools > Diagnostics.
2. Expand the Drive Folder.
3. Select the drive that requires cleaning and then select the clean tab.
4. Click the Start Clean button in the Options Bar.
5. Click OK.

6. The Drive Clean Status Console displays the status of the cleaning operation.

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