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Scheduling a Parity Check
Choose Array Administration > Schedule Parity Check to check parity
of a specific logical array at scheduled intervals (for example, during
off hours).
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You can choose to schedule any number of logical drives configured on a
managed server; however, you can establish only one schedule per array controller.
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When you schedule multiple logical drives, the check is done in sequence
from the lowest to the highest numbered logical drive.
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A parity check requires an average of five minutes per Gbyte of storage.
- You can control the amount of resources allocated to the parity
check by changing the rebuild priority. See Rebuild
Priority
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A parity check can be stopped once it has started. There is no data corruption as a result of this operation.
Creating a Parity Check Schedule:
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Select the controller on which you want to schedule the parity check.
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Choose Array Administration > Schedule Parity Check.
NOTE: You need to be logged in as either ssadmin or ssconfig to access options on
this menu.
The Schedule Parity Check window is displayed.
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Make selections in the appropriate fields.
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Listed Logical Drives - A list of the available fault-tolerant logical arrays. Use the Shift key to select multiple drives.
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Rebuild Priority - The amount of resources allocated to perform a rebuild (low, normal, improved, high). Select Change Controller Parameters from the Custom Configuration Options window to change the rebuild priority.
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How Often - How often you want the parity checked.
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Starting Day - The day of the week you would like this schedule to start.
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Starting Time - The time on the starting day you would like this schedule to begin.
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Existing Schedule - The current parity schedule: logical drive, frequency, starting day, and
time.
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Next Parity Check - The date and time you want the next parity check to start.
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When you are satisfied with the schedule, click OK.
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