3Ware 9550SXU-12 User Guide - Page 251

Maintenance page will give better performance with applications that have a lot of random reads and writes. In general, the smaller the stripe size, the better the sequential I/O and the worse the random I/O. The larger the stripe size, the worse the sequential I/O and the better the random I/O. Write Cache, Auto Verify, and Overwrite ECC. These check boxes let you set the policies for the unit. These policies can also be set and changed on the Controller Settings page. For details about these policies, see "Unit Policies" on page 225. Note: If the configuration window disappears while you are selecting drives, 3DM 2 may have refreshed. Click Create Unit again. If desired, you can reduce the frequency with which information refreshes in 3DM 2, or disable refresh temporarily, on the 3DM 2 Settings page. StorSave. You can specify the StorSave Profile to be used for the unit. Three profiles are available: Protection, Balanced, and Performance. For more information, see "Setting the StorSave Profile for a Unit" on page 123. Rapid RAID Recovery. Determines which Rapid RAID Recovery option to use, All, Rebuild or Disable. All will apply the policy to both rebuilds and unclean shutdowns. Rebuild will apply only to rebuilds. You can switch between All and Rebuild settings, but, once Rapid RAID Recovery is disabled for the unit, it cannot be re-enabled. For details, see "Rapid RAID Recovery" on page 126. www.3ware.com 239