Article Number: 000172414
Dell EMC VxRail: Confirm vSAN object health status before replacing disk
Summary: This article describes a risk condition of DU/DL when proceeding disk replacement with VxRail Manager, the cause, and corresponding prevention actions.
Article Content
Symptoms
Please ensure virtual objects in vSAN cluster are all healthy before proceeding disk replacement.
If some virtual objects are not in healthy state, there is risk of data lost.
Cause
VxRail Manager first tries to remove the disk and ensure data accessibility. Typically, only partial data evacuation is required. It saves much time than full data migration. There is a timeout of the task. It will fail if unable to complete within 30 minutes. Then, VxRail manager will remove the disk with no data migration action. If some objects are not in healthy state, not fully compliance with storage policy, you might experience data loss in the cluster.
Resolution
Before replacing disk, check vSAN health status first. Make sure there is no vSAN object health alarm. And confirm virtual objects are all in healthy state. Cluster > Monitor > vSAN > Virtual Objects.
To under vSAN object health state and corrective action, refer to VMware Knowledge Base article: https://kb.vmware.com/s/article/2108319.
Article Properties
Last Published Date
09 Jan 2023
Version
3
Article Type
Solution