vSAN Skyline Health Check Information

Products

• VMware vSAN

Issue/Introduction

This article provides an overview and serves as a homepage for the Knowledge Base articles for the VMware vSAN Skyline Health Checks.

Environment

VMware vSAN (All Versions)

Resolution

Table of contents

• Data
• Performance Service
• Physical Disk
• Cluster
• Capacity Utilization
• Online Health
• Network
• Stretched Cluster
• Hardware Compatibility
• vSAN Build Recommendation
• Hyperconverged Cluster Configuration Compliance
• File Service
• vSAN iSCSI Target Service
• Encryption
• vSphere Update Manager
• Limits
• Proactive Tests

Data

• vSAN Health Service - Data health – vSAN object health

Performance Service

• vSAN Health Service - Performance service - Network diagnostic mode
• vSAN Health Service - Performance Service - Status Check
• vSAN Health Service - Performance Service - Performance data collection check
• vSAN Health Service - Performance Service - Stats master election check
• vSAN Health Service - Performance Service - Stats DB object conflicts check
• vSAN Health Service - Performance Service - Stats DB object check
• vSAN Health Service - performance service - All hosts contributing stats check

Physical Disk

• vSAN Health Service - Physical disk health - Overall disk health
• vSAN Health Service - Physical disk health - Disk capacity
• vSAN Health Service - Physical disk health – Congestion
• vSAN Health Service - Physical disk health – Component metadata health
• vSAN Health Service - Physical disk health – Memory pools
• vSAN Health Service - Physical disk - Component limit
• vSAN Health Service - Physical Disk Health - Physical disk health retrieval issue
  • “vsanmgmtd and vsandevicemonitord” service is running on all hosts in vSAN Cluster to query and display the h/w health of disks.

Cluster

• vSAN Health Service - Cluster health - Disk format version compatibility check 
• vSAN Health Service - Cluster health – vCenter state is authoritative
• vSAN Host Maintenance Mode is in sync with vSAN Node Decommission State
• vSAN Health Service - Cluster Health - Resynchronization Operations Throttling Check
• vSAN Health Service - Cluster Health - Time Synchronization Across Hosts and VC
• vSAN Health Service - Cluster Health - vSAN Cluster Configuration Consistency
• vSAN Health Service - Cluster Health - vSphere and vSAN Cluster Members Match vSAN
• vSAN Health Service - Cluster health - vSAN disk balance
• vSAN Health Service - Cluster - Disk format version
• vSAN Health Service - Cluster - Software version compatibility
• vSAN Health Service - Cluster health – vSAN daemon liveness check
• vSAN Health Service - Cluster health - Advanced vSAN configuration in sync
• vSAN host extended configuration status

Capacity Utilization

• vSAN Health Service - Capacity utilization - Disk space
• vSAN Health Service - Capacity utilization - Read cache reservations

Online Health

• vSAN Health Service - Online Health - CEIP Check
• vSAN Health Service - Online Health - Internet Connectivity Check
• vSAN Health Service - Online Health - Controller Utility Is Installed on Host
• vSAN Health Service - Online Health - vCenter Server up to date check 
• vSAN Health Service - Online Health - Physical network adapter link speed consistency check 
• vSAN Health Service - Online Health - Customer advisory for HPE Smart Array 
• vSAN Health Service - Online Health – vSAN v1 disk in use 

Network

• vSAN Health Service - Network Configuration - vMotion: Basic Connectivity Check
• vSAN Health Service - Network Configuration - vMotion: MTU Check
• vSAN Health Service - Network Health - Network Latency Check
• vSAN Health Service - Network health - Hosts disconnected from vCenter
• vSAN Health Service - Network health - Unexpected vSAN cluster members
• vSAN Health Service - Network health - vSAN Cluster partition
• vSAN Health Service - Network health – Hosts with vSAN disabled
• vSAN Health Service - Network health - All hosts have a vSAN vmknic configured
• vSAN Health Service - Network health - Hosts small ping test (connectivity check) and hosts large ping test (MTU check)
• vSAN Health Service - Network health - Hosts with connectivity issues

Stretched Cluster

• vSAN Health Service - Stretched cluster - Witness appliance upgrade to vSphere 7.0 or higher with caution
• vSAN Health Service - Invalid unicast agent test
• vSAN Health Service - Unicast agent configuration inconsistent
• vSAN Health Service - Unexpected number of fault domains
• vSAN Health Service - Invalid preferred fault domain on witness host
• vSAN Health Service - Preferred fault domain unset
• vSAN Health Service - Unicast agent not configured
• vSAN Health Service - No disk claimed on witness host
• vSAN Health Service - Witness host fault domain misconfigured
• vSAN Health Service - Witness host within vCenter cluster
• vSAN Health Service - Stretched cluster - Site latency
• vSAN Health Service - Witness host not found

Hardware Compatibility

• vSAN Health Service - Hardware Compatibility - Disk Group Type Check
• vSAN Health Service - Hardware Compatibility - Controller Firmware Check
• vSAN Health Service - vSAN HCL health – vSAN HCL DB up-to-date
• vSAN Health Service - vSAN HCL health – SCSI controller on vSAN HCL
• vSAN Health Service - vSAN HCL health - Controller release support
• vSAN Health Service - vSAN HCL health - Controller driver
• vSAN Health Service - Hardware compatibility - vSAN HCL DB Auto Update
• vSAN Health Service - HCL Health - Host issues retrieving hardware info
  • “vsanvpd” service is running on all hosts in vSAN Cluster. To collect the h/w info for the vSAN HCL compatibility to display it in vSAN HCL GUI. 

vSAN Build Recommendation

• vSAN Health Service - vSAN Build Recommendation - vSAN release catalog up-to-date

Hyperconverged Cluster Configuration Compliance

• vSAN Health Service - Hyperconverged cluster configuration compliance - Host compliance check for hyperconverged cluster configuration

File Service

• vSAN Health Service - File Service - Infrastructure health
• vSAN Health Service - File Service - Share Health
• vSAN Health Service - File Service - File Server Health

vSAN iSCSI Target Service

• vSAN Health Service - vSAN iSCSI target service - Home object
• vSAN Health Service - vSAN iSCSI target service – Network configuration
• vSAN Health Service - vSAN iSCSI target service – Service runtime status

Encryption

• vSAN Health Service - Encryption - Key Management Servers Connection Check
• vSAN Health Service - Encryption - CPU AES-NI Host Enablement Check

vSphere Update Manager

• vSAN Health Service - vSphere Update Manager - vSAN build recommendation engine health
• vSAN Health Service - vSphere Update Manager - vSAN build recommendation
• vSAN firmware version recommendation (testID:com.vmware.vsan.health.test.hcl.fwrecommendation)
• vSAN firmware provider health (com.vmware.vsan.health.test.hcl.firmwareproviderhealth)

Limits

• vSAN Health Service - Limits - Host component
• vSAN Health Service - Limits health – Current cluster situation
• vSAN Health Service - Limits health – After one additional host failure

Proactive Tests

• vSAN Health Service - Network performance test
• vSAN Health Service - Virtual Machine creation test

 

Additional Information

For more information about collecting VMware vSAN logs, see How to collect vSAN support logs and upload to VMware by Broadcom
About the vSAN Health Service 7.x
About the vSAN Skyline Health 8.x
Best practices when using vSAN and non-vSAN disks with the same storage controller 

Recommended settings for RAID0 logical volumes on certain LSI based RAID vSAN

Understanding vSAN Datastore Encryption vs. VMcrypt Encryption

Best practices when using vSAN and non-vSAN disks with the same storage controller

vSAN Performance Graphs in the vSphere Web Client

Deployment guidelines for running VMware vSAN and VMware vSphere VMFS datastores on a Dell H730 controller with the lsi_mr3 driver

Using small magnetic disks for vSAN might result in VM failures small disks below 400 GB will not work properly in vSAN cluster ands may cause VM outage