You can use the following procedure to remove a tape library that is no longer required.
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In the Navigation pane, click Manage Devices. |
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This section includes the following topics:
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In the Navigation pane, click Manage Devices. |
Device is unavailable. NetVault is unable to detect the device. |
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On the Tape Drive Management page, you can view the following information: |
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Drive Info: This area shows general information about the drive: |
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Name: Drive name. |
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Vendor: Vendor name. |
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Product: Product name. |
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Client: Client to which the device is attached. |
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Serial Number: Serial number of the drive. |
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Status: Online or offline. |
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Contents: Label of the tape loaded in the drive. If the drive does not contain any tape, the column shows “Unloaded.” |
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Offsite Location: Offsite location of the tape, if specified. |
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Library: Library name. |
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Bay: Drive bay number. |
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Block Size: Media block size. |
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Buffer Size: Transfer buffer size. |
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Activity: Idle or writing. |
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Statistics Info: This area displays the drive usage statistics: |
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Total Data Written: Total amount of data written using the drive. |
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Total Data Read: Total amount of data read using the drive. |
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Write Errors: Number of write errors reported. |
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Read Errors: Number of read errors reported. |
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Date Last Written: Date on which the last write operation was performed. |
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Date Last Read: Date on which the last read operation was performed. |
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Cleaning Info: This area displays the drive cleaning statistics: |
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Date Last Cleaned: Date on which the drive last cleaning operation was performed. |
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Time Since Last Cleaning: Time elapsed since the last automatic or manual cleaning operation. |
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Times Cleaned: Number of times the drive has been cleaned. |
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Transferred Since Last Clean: Amount of data read or written since the last cleaning operation. |
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Usage Since Last Clean: Duration of time the drive has been used for read or write operations since the last cleaning operation. |
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Soft Errors Since Last Clean: Number of read or write errors reported since the last cleaning operation. |
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Activity chart: This area shows the activity graph if the device is being used by a backup or restore job. |
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Job details: This area shows the following information for active jobs: |
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Rate: Data transfer rate. |
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Job Title: Name of the job. |
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Job ID: Job identification number. |
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Job Instance: Instance identification number. |
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Job Phase: Phase identification number (1 or 2). |
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To view the slot details, click the Slots link or the Manage Slots icon . On the Slot Browser page, you can view the following information: |
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Drives table: The Drives table lists all tape drives for the library. It shows the following information: |
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Status icon: Drive status icon. |
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Bay: Drive bay number. |
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Name: Drive name. |
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Status: Drive status (online or offline) |
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Activity: Idle or writing. |
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Contents: Label of the tape loaded in the drive. If the drive does not contain any tape, the column shows “Unloaded.” |
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Slots table: The Slots table lists all slots for the library. It shows the following information: |
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Slot: Slot number |
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Status: Tape is loaded or unloaded. |
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Barcode: Barcode of the tape in the slot. |
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Media: Media label of the tape in the slot. |
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Media Group: Media group label of the tape in the slot. |
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Space Available: Free space available in the tape. |
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Cleaning lives status icon: Displays the cleaning lives icon if the slot contains a cleaning tape. ) indicates 5 or more cleaning lives remaining, ) indicates 1-4 cleaning lives remaining, and ) indicates 0 cleaning lives remaining. |
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Cleaning Lives Left: Displays the number of cleaning lives left. |
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In the Navigation pane, click Manage Devices. |
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In the Drive Performance Options, configure the following settings. |
This option specifies the block size used for read and write operations. The default value is 64KiB. On Linux and UNIX systems, you can increase the media block size for optimum performance. | |||||||||||
On Windows, you might be required to change the registry setting MaximumSGList to use block sizes larger than 64KB. Before changing this setting, check that the SCSI bus is only used by the tape devices. If other devices also use the SCSI bus, this registry change might prevent them from working. If you want to apply these changes only to a specific channel on the HBA, consult the hardware vendor. To change the registry setting on Windows, follow these steps:
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The transfer buffer or the shared memory is allocated in blocks of 32KiB. The default value is 8193KiB. For more information about changing the default value, see Changing the default Drive Transfer Buffer Size option. | |||||||||||
The total allowed shared memory is determined by the formula SHMMAX * SHMSEG. These values are often limited by the ulimit setting, and the command ulimit -a can be used to view these system settings. On Windows, you require at least 2GB RAM and large virtual memory. You might also have to change the MaximumSGlist setting on the SCSI card. |
Type or select the number of data blocks per compression unit. The default block size is 8KiB. |
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Click OK to save the settings and close the dialog box. |
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