Total Number of 2-Way Mir Devices of 3MB = 3
Total Number of 2-Way Mir Devices of 34GB = 3
Total Number of 2-Way Mir Devices of 69GB = 1
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Total Number of RAID-5 Devices of 34GB = 4
Total Number of RAID-5 Devices of 8.6GB = 2
Total Number of RAID-5 Devices of 69GB = 2
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Total Number of BCV+R5 Devices of 34 GB = 2