Topics started by aleorl

2 Topics

A
aleorlVoyager
asked in How It works

2 all-SSD + 5 SSD+NVMe nodes in RF3 cluster - recommended?

Hi team,We have a 5 node SSD+NVMe cluster with RF3 and are considering adding 2 all-SSD nodes to that cluster.Are there any drawbacks/risks/restrictions to having only 2 nodes of all-SSD type in this RF3 cluster?SSD+NVMe nodes:  G7, 6256 CPU, 1TB RAM, 4x1,92TB SSD, 4x3,84TB NVMeAll-SSD nodes: G6, 6128 CPU, 768GB RAM, , 6x3,84TB SSD

3
P
3 years ago
A
aleorlVoyager
asked in Intelligent Operations

Real Storage Summary in Prism doesn't match Sizer/Storage Capacity Calculator

Hi forumpeople, For some reason we see different values in Storage Summary in Prism and Sizer/Storage Capacity calculator. We are dealing with an RF2 cluster here. Storage Summary shows 47.9 TiB  Yet Sizer shows 35,53 TiB and Storage Capacity calculator shows 36,05 TiB   A small difference may be due to the actual cluster having 4x2TB NVMes per each of the 5 nodes, and only 1.92 being available in Sizer/Capacity calculator, but it should not make such a critical misalignment between Prism and Sizer/Capacity calculator. What is the actual usable capacity of the cluster (with RF2, N+1)? Also, how are “CVM Overhead” values taken into account in Prism’s Storage Summary and is it part of the actual usable capacity?

1
R
Nutanix Employee
3 years ago

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