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How aggregates work

Aggregates have a single copy of their data, or plex, which contains all of the RAID groups belonging to that aggregate. Mirrored aggregates, which have two plexes, are not currently supported in clustered Data ONTAP.

The following diagram shows an unmirrored aggregate with disks, with its one plex:



The following diagram shows an unmirrored aggregate with array LUNs, with its one plex: