User manual

7.12 Disk Utility (only available for 8990 controller)
7.12.1 Disk Utility (only available for 8990 controller)
Bad Sector Threshold
Is used to set the bad sector threshold of a hard drive. When the
bad sector count equals to this value then the disk will be cloned.
Unit Per Sector
Allows a single slice to exceed the two terabyte limit and to be
recognized under Windows based operating system.
16 Bytes CDB
Allows a single slice to exceed the two terabyte limit and to be
recognized under Windows 2003 sp1 and Unix based system.
7.12.2 Clone & Smart (only available for 8990 controller)
Disk Cloning
Permanent Clone: Manually force of cloning disk without
swapping
Clone and Swap: Manually force of cloning disk and swap after
cloning.
S.M.A.R.T.
Disable Smart: to disable smart function.
Alert Only: Alert when the Smart attribute is near threshold.
Permanent Clone: Clone disk when the Smart attribute is near
threshold.
Swap after Clone: Clone disk and swap when the Smart attribute is
near threshold.
Disk Self Test
To manually force disk self test by smart function.
7.12.3 Scrubbing (only available for 8990 controller)
Scrubbing Schedule
Per Weeks: Number of weeks between scrubbing check.
Per Day: Day of the week which scrubbing should be performed.
Per Hour: Time of the day which scrubbing should be preformed.
Action: To enable or disable this function.
Scrubbing
To manually force scrubbing to start.
Overwrite parity for
Scrubbing
When miscalculated parity is found, Scrubbing is granted with
permission to replace the miscalculated parity with the correct
parity.
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