3DM 2 Online Help

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Configuring Units > Configuring a New Unit > Creating a Unit

Creating a Unit
In 3DM, creating a unit starts from the Management > Maintenance page.
Show 3DM Maintenance Page
To create a unit
1
In 3DM, choose Management > Maintenance.
2
In the Available Drives list, select the drives you want to include in the unit by marking the checkbox in front of the Port number for each one.
If you are creating single drive units (single disks or hot spares), you can configure multiple drives at once.
3
Click Create Unit.
A window similar to the one below shows the drives you selected, and lets you specify configuration settings.
Show Configuring a Unit in 3DM
4
In the Type field, select the RAID configuration you want.
5
If stripe size applies to the RAID type you select, select a Stripe Size. (Stripe size does not apply to RAID 1.)
6
Optional: In the Name box, enter a name for the unit (up to 21 characters, including dashes and underscores).
7
If you have 12 drives attached to the controller and selected RAID 50 as the configuration in step 3, select whether you want 3, 4, or 6 Drives Per Subunit, as shown here.
Show Configuring a RAID 50 with 12 Drives
8
Make changes to the unit policies, as desired. You can enable or disable the Write Cache, Auto Verify, and Continue on Source Error During Rebuild. You can also set the StorSave policy.
For details about these settings, see Setting Unit Policies.
9
The new unit appears in the Unit Maintenance list at the top of the page and the operating system is notified of the new unit.
If you have auto-carving enabled and the size of your unit exceeds the carve size, you may see multiple unit volumes in your operating system. For details, see Using Auto-Carving for Multi LUN Support.
In Linux, a device node will now be associated with each unit created. In Windows, the device manager will reflect the changes under the disk drives icon.
10
 
Note: For RAID 5 and RAID 6 units with 5 or more disks, and RAID 50 units with subunits of 6 drives, initialization (synchronization) of the unit begins immediately.

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