Galaxy Metal Gear 65 - Manual (Page 42)

Galaxy 65 User Guide
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• I/O Size
Note Resetting statistics here resets all statistics for the Galaxy 65 Subsystem.
You may want to reset the statistics if you are monitoring performance. You may also want to reset
statistics when you change how you are using a partition.
Note You cannot reset the queue depth value. It always reflects the current I/O queue depth.
To reset all statistics:
1 From SAM, select Monitor Galaxy 65 Subsystem > Statistics > Reset All Statistics.
The Reset All Statistics page displays.
2 Click Reset Statistics.
The system confirms that you want to make the change.
3.3.2 Verifying an Array
The Verify function allows you to verify the data on redundant arrays (RAID 1, RAID 3, RAID 4, RAID 5,
RAID 10, and RAID 50):
• RAID 3, RAID 4, RAID 5, and RAID 50: Verifies all parity blocks in the selected array and corrects
any bad parity.
• RAID 1 and RAID 10: Compares the primary and secondary drives. If a mismatch occurs, the
primary is copied to the secondary.
You may want to verify an array when you suspect there is a problem.
To verify an array:
1 From SAM, select Manage Galaxy 65 Subsystem > Disk Array Config > Verify Array.
The Verify Array page displays with a list of existing arrays.
2 Select the array you want.
3 Click Verify & Update Array Parity.
Verification begins and the percentage of verification completed displays. You can continue to use the
array during verification.
To check the progress of the verification, select Manage Galaxy 65 Subsystem > Disk Array Config >
Array Utility Progress or any item from the Disk Array Config menu. The status of the verification
displays in the list of arrays.
3.3.2.1 Stopping the Array Verification Process
You can stop the array verification process.
Note If you stop the verification process, you cannot resume. You must restart from the beginning.
To stop the array verification process: