vSAN Object Health shows all objects in 'Reduced availability with no rebuild' after creating fault domain
Article ID: 423188
Updated On:
Products
VMware vSAN
Issue/Introduction
- After creating new Fault domains on vSAN Cluster, in vCenter UI Cluster > Monitor > vSAN > Skyline health shows vSAN object health error.
- All the vSAN objects will show the health status as '
reduced availability with no rebuild
Environment
VMware OSA vSAN 7.x
VMware OSA vSAN 8.x
Cause
The number of Fault domains no longer meet the minimum requirements of for the storage policy that is in use by the objects.
Below are the minimum number of Fault domain or Standalone hosts:
- FTT=1 RAID-1 requires minimum 3 fault domain or 3 standalone hosts
- FTT=1 RAID-5 requires minimum 4 fault domain or 4 standalone hosts
- FTT=2 RAID-6 requires minimum 6 fault domain or 6 standalone hosts
Resolution
Recommended to create a minimum number of Fault domain required for the Storage policy in use.
Or, configure all the hosts as Standalone hosts.
Additional Information
Feedback
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