Tandberg Data DPS Expansion Module Disk Pack Specifiche Scaricare il pdf (Pagina 38)

32 | Installing and Configuring Additional Enclosures

5. Set the array settings in the other fields on the left side of the dialog box.

For an XDC1200a or XDS1200a-1, use the default array settings as follows:

• RAID Level — 5

• Sub-Arrays — N/A

• Chunk Size — 256K

• Initialize/Trust — Initialize

• Back-off Percent — 1%

• Read-Ahead Cache — Automatic

• Writeback Cache — 16MB

• Disable Writeback cache if a controller battery is low, missing, or failed

• Disable Writeback cache if array becomes critical (N/A for RAID 0)

6. Click Create.

7. In the warning box, click OK.

8. After the array is created, click Close.

9. To create another array, repeat steps 3-8 for the other available drives.

10. Close the Create Array window after you finish.

Note

Initializing arrays can take a considerable amount of time.

Creating logical drives

To complete the process of configuring your storage system, create a logical drive for each

array.

To create a logical drive

1. On the main page of the DPS Expansion Module web interface, click Create Logical

Drive.

The web interface displays the Create Logical Drive window:

2. Create a logical drive for each array.

For an XDC1200a or XDS1200a-1, select the array and click Create.

3. If a warning message about logical drives that exceed 2TB is displayed, click OK.

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Tandberg Data DPS Expansion Module Disk Pack Specifiche Pagina 38