Pegasus R6, R4 Product Manual
52
•
Choose a Write (cache) Policy.
The choices are WriteThru (write through) and WriteBack. Write back
requires a Read Cache or Read Ahead Read Cache Policy.
•
RAID 6 only. Choose a scheme from the dropdown menu.
The choices are P+Q and Q+Q. If in doubt, use the default P+Q.
•
If you want the Promise Utility to format your logical drives, leave the
Format
box checked.
For additional format options, see “Formatting Logical Drives” on
page 90.
2.
Click the
Add
button.
The new logical drive appears on the list at the right.
If there is capacity remaining, you can create an additional logical drive.
3.
Click the
Next
button to continue.
The Create Spare Drive screen displays.
Task 3 – Spare Drive Creation
To create your spare drive:
1.
For each of the following items, accept the default or change the settings as
required:
•
Check the
Revertible
box if you want a revertible spare drive.
A revertible spare drive returns to its spare drive assignment after you
replace the failed physical drive in the disk array and run the Transition
function.
•
Global
– Can be used by any disk array
•
Dedicated
to newly created disk array – The disk array you are now
creating.
2.
In the
Select Physical Drives
diagram, click a drive to choose it for your
spare.
The drive carrier turns blue when you click it. The physical drive’s ID number
appears in the field below the diagram.
3.
Click the
Next
button to continue.
The Summary screen displays.
Task 4 – Summary
1.
Review your choices of disk array, logical drives, and spare drive.
•
To make a change, click the
Back
button to reach the appropriate
screen.
•
To accept, click the
Submit
button.
The disk array, logical drive, and spare drive take a few moments to create.