adding 400GBSSD to 200GBSSD raid5 pool on Unity300

Question

a customer with a Unity300   FAST VP Pool: Raid5 4+1 - 200GB SSD Raid5 4+1 1.2TB SAS   1 hotspare 200GB SSD 1 hotspare 1.2TB SAS     Customer wanted to expand the SSD tier, but received 5x 400GB disks in stead of 200. What happens if he adds them to the FastVP pool ?

Rainer_EMC · Answer

a new private raidgroup gets created with the 400GB disks It will work but not best practice - see the Unity BPP white paper keep in mind that you will also need a 400GB spare

Unity

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