Product manual

VTrak E-Class Product Manual
48
The choices are WriteThru (write through) and WriteBack. Write back
requires a Read Cache or Read Ahead Read Cache Policy.
2. Click the Add button to continue.
The logical drive you just created appears in the New Logical Drives list.
3. Click the Next button to continue.
The Create Spare Drive screen appears.
Step 3 – Spare Drive Creation
Creating a spare drive is optional but highly recommended.
1. Enter your information and choose your options.
• Check the Revertible box if you want this spare drive to be revertible.
For more information see the VTrak E-Class Product Manual.
• Choose the option for the type spare drive you want.
Global – Replaces a failed drive in any disk array.
Dedicated – Replaces the failed drive only in the assigned disk array.
2. Mouse-over the enclosure graphic to view information about physical drives.
3. Click a physical drive to select it for your spare drive.
The physical drive’s ID number is added to the Selected list.
4. Click the Next button to continue.
The Summary screen appears.
Step 4 – Summary
The Summary screen lists the disk arrays, logical drives, and spare drives that
you specified.
If you accept these parameters, click the Submit button.
If you do NOT accept these parameters, review and modify your selections in the
previous steps.
Enabling LUN Mapping and Masking
These features are optional for each logical drive. The Enable LUN Mapping
dialog box appears after you create a logical drive.
To enable LUN Mapping:
1. Click the OK button in the Enable LUN Mapping dialog box.
The LUN Mapping & Masking screen appears.
2. Check the Enable LUN Masking box to enable LUN Masking.
3. Click the LUN Mapping button to continue.
The initiator list screen displays.