Maximum performance is achieved by starting and completing a Build/Verify. . Skip Init—If multiple disk drives fail in the same logical drive, you may be able to recover the data by recreating the logical drive without the initialization step. Omitting the initialization step reconstructs the logical drive metadata without modifying or destroying any other data on the disks. For example: Method=Build ReadCache Keyword ReadCache indicates whether the array uses read caching. Possible values: . Yes (default)—Enable read caching. . No—Disable read caching. For example: ReadCache=Yes Size Keyword The Size keyword specifies the size of the array. Specify Maximum (the default) to create an array using the maximum available space, based on the array type and drives selected. Otherwise, specify the size as an integer or a decimal number, followed by the unit keyword MB (megabytes), GB (gigabytes), or TB (terabytes). Note: A unit keyword is required with a numeric size value. If no unit keyword is specified, the ACU exits with an error. For example: Size=2.5GB Size=300MB Size=Maximum StripeSize Keyword The StripeSize keyword specifies the stripe size (in KB) written to each member of a striped array (RAID 0, 10, 5, 5, 5EE, 50, 6 or 60). The possible values for StripeSize are 16, 32, 64, 128, 256, 512 and 1024 KB. Default is 256. Appendix D: Using the Array Configuration Utility for DOS . 98 For example: StripeSize=256 Type Keyword Type is a required keyword, indicating the array type. There is no default value. The possible values: Volume, RAID0, RAID1, RAID5, RAID10, or RAID50. Depending on the RAID levels supported by your RAID controller, additional possible values are: RAID1E, RAID5EE, RAID6, RAID60. Wait Keyword Wait is an optional keyword that you can use to tell the ACU to allow the ACU to continue while the Build/Verify or Clear completes in the background; specify Wait=No. Otherwise, the ACU waits by default. If the host is powered off before the Build/Verify or Clear process completes and is then restarted, the process resumes without any user intervention. For example: Wait=Yes Wait=No WriteCache Keyword The WriteCache keyword indicates whether write caching is used for this array if write caching is supported for the system. Possible values are as follows: . Ye s (default)—Enable the write cache. . No —Disable the write cache. Setting an array’s WriteCache keyword to Yes might result in data loss or corruption during a power failure. For example: WriteCache=Yes ACU Error Codes When the ACU detects an error, it reports the error and exits immediately. If a log file is specified, the ACU writes the error code to the log file. Otherwise, it displays the error code on the screen. The possible error messages returned by the ACU are listed in this table. Code Description 0 ACU ran without changes—ACU exited with no errors (success) and no report is required. 1 No controller found. 2 Syntax or logical error in the script file—The...

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