Because the upper limit is determined not by the physical disk space, but by the in-memory metadata capacity, which is identical in both 10T and 20T models and different in the 40T model. Y.
Hello, We have a 20TB XTremIO brick with only 2TB used. I am getting excellent dedup/compression rates and have plenty of room to over subscribe the array. How much can I over subscribe? In other words, How much physical space should I leave on the array? Most arrays require some amount of overhead, usually due to snaps. I am not currently using snapshots but that may change.  Thanks.
Physical Space On XTremIO 4.01