RAID Operations
I perform RAID sync operations during which I measure the time the NAS needs to complete these tasks—average power consumption for these rebuild and synchronization periods is also measured. In NAS servers with four bays or more, I rebuild and sync RAID 1, RAID 5, and RAID 6 arrays, while in smaller two-bay NAS servers, I am confined to a RAID 1 array. The Bitmap option is disabled in NAS servers that support it to produce comparable results because it speeds up RAID rebuild times.
Synology DS920+ |
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Operation | Time | AVG Power Consumption |
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RAID 1 Sync | 0:33:11 | 11.78 W |
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RAID 1 Rebuild | 0:51:00 | 11.07 W |
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RAID 5 Sync | 0:18:56 | 16.56 W |
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RAID 5 Rebuild | 0:26:03 | 16.41 W |
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RAID 6 Sync | 2:04:12 | 15.43 W |
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RAID 6 Rebuild | 0:29:33 | 16.96 W |
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RAID Sync Graphs
RAID Rebuild Graphs