แก้ปัญหา vsphere HA Error : The number of heartbeat datastores for host is 1, which is less than required: 2

HA Error: The number of heartbeat datastores for host is 1, which is less than required: 2 (2004739)

Symptoms แถบที่ summary สีเหลืองฟ้อง

• The datastore is not accessible by all hosts.
• The number of shared datastores between all hosts is less than 2.
• While implementing a vSphere High Availability (HA) configuration, you see this error on one of the ESXi 5.x hosts:
  
  The number of heartbeat datastores for host is 1, which is less than required: 2
  
  The number of heartbeat datastores for host is 0, which is less than required: 2

Cause 

วิธีเปลี่ยนชื่อ Slot Name บน Dell Blade

1 Log in to the CMC Web interface.

2 Select Server Overview in the Chassis menu in the system tree.

3 Click Setup - Slot Names. The Slot Names page displays.

4 Type the updated or new name for a slot in the Slot Name field. Repeat

this action for each slot you want to rename.

5 Click Apply.