Tools and Nuances of Cisco HyperFlex (HX)

HX Sizer: https://hyperflexsizer.cloudapps.cisco.com (CCO ID required)

HX Preinstall Tool: https://hxpreinstall.cloudapps.cisco.com (CCO ID required)

HX Hypercheck (Health Check) Tool for HXDP 4.0 and less: https://github.com/CiscoDevNet/Hyperflex-Hypercheck
Hypercheck is available as an in-built utility in HXDP 4.5+

A very less known trick/fact: HXDP Installer can be run from an HX node (HX ESXi Host) which will be part of the cluster that will be formed – could be called as a Nested HX Installer method.
This is extremely useful in ROBO/edge greenfield scenarios where there is no computing system (PC or laptop) to install the HXDP Installer on (via Type-2 Hosted Hypervisor solutions – Oracle VirtualBox, VMware Workstation/Player).

Tech Note Nested vCenter on HX: https://www.cisco.com/c/en/us/td/docs/hyperconverged_systems/HyperFlex_HX_DataPlatformSoftware/TechNotes/Nested_vcenter_on_hyperflex.html