Promise Technology Pegasus3 R4 - Page 144

131
Managing the Pegasus3Pegasus3 Product Manual
4. Accept the defaults or make changes:
• Optional. Enter an alias in the Alias eld.
Maximum of 32 characters; letters, numbers, space between characters, and underscore.
• Choose a RAID level.
The choice of RAID levels depends the number of physical drives in the disk array.
• IntheCapacityeld,acceptthedefaultmaximumcapacityorenteralessercapacityand
size in MB, GB or TB.
Any remaining capacity is available for an additional logical drive.
• Choose a Stripe size.
64KB,128KB,256KB,512KB,and1MBareavailable.
• Choose a Sector size.
512 B, 1 KB, 2 KB, and 4 KB are available.
• Choose a Read (cache) Policy.
Read Cache, Read Ahead, and No Cache are available.
• Choose a Write (cache) Policy.
Write Back and Write Through (Thru) are available.
The Write Cache is always set to WriteThru when the Read Cache is set to NoCache.
• ForRAID6logicaldrives,chooseaCodecSchemefromthedropdownmenu.
P+Q and Q+Q are available.
• If you want the Pegasus Utility to format your logical drives, leave the Format box checked.
See “Formatting Your Logical Drives” on page 132.
5. 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. Pegasus supports up to
32 logical drives.
6. Whenyouarenished,clicktheSubmit button.
The new logical drive or drives appear in the logical drive list.