Dell PowerVault 124T User Manual download pdf (Page 21)

To view the compression setting:

From any page, click the Configuration heading. The Configuration screen displays. Under the

Compression heading, the current compression setting is displayed as Compression Enabled or

Compression Disabled.

Bar Code Reader

The bar code reader can be enabled or disabled. Disabling the bar code reader prevents the reader from

attempting to read label information. If non-bar code labels or no labels are being used, disabling the bar

code reader will reduce initialization time at startup or system reset.

NOTE: If you do not use bar code labels on the media, you will have to manage the media manually.

Either a power cycle (through the front panel button) or an autoloader reset (through the Autoloader

Reset command found on the Error Logs and Diagnostics page) is required for the setting change to take

effect.

SCSI Barcode Length sets the maximum number of barcode characters that will be returned in the SCSI

Read Element Data. The display of barcode information on the Web interface and Operator Control Panel

(OCP) are unaffected by this setting.

Setting the SCSI Barcode Length to 0 disables truncation of the barcode and the full barcode will be

returned in the SCSI Read Element Data.

This setting is particularly useful if you have a pool of media previously catalogued by another device that

has a limitation on the number of barcode characters that can be read (typically 6 or 9). Adjusting the

PV124T setting to match the previous hardware prevents the user from having to re-catalog all barcode

labeled media previously used in the other device.

The autoloader does not need to be reset when changing the Barcode Length.

To change the Barcode Reader settings:

1. From any page, click the Configuration heading. The Configuration Screen displays.

2. Under the Barcode Reader section, select the desired Enable/Disable option and Barcode Length

setting and click Submit.

3. If the Enable/Disable option is changed, the message This will require a pow er cycle and host

backup software configuration change will be displayed.

4. Select OK. The front panel and Web interface will display Please Power Cycle.

5. Either a power cycle (through the front panel button) or an autoloader reset (through the

Autoloader Reset command found on the Error Logs and Diagnostics page of the Web interface) is

required for the change to take effect.

Cleaning Tape

To enable or disable the Auto Clean function, you must also designate a full slot for the cleaning tape

cartridge. If a slot has not been designated, the box displays None. To designate the cleaning tape slot:

1. Load a cleaning tape into an empty slot using the Library Operations page.

2. Enable or disable Auto Clean by selecting the check box. If autoclean is enabled, the cleaning

cartridge will automatically be moved from the assigned cleaning slot to the drive if the drive

indicates cleaning is required.

NOTE: To minimize the possibility of a cleaning conflict, it is preferable to allow the host to

backup software to manage cleaning. If softw are managed cleaning is enabled, ensure Auto

Clean is disabled on the PowerVault 124T.

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Dell PowerVault 124T User Manual Page 21