• Cloud Container Engine

cce
  1. Help Center
  2. Cloud Container Engine
  3. User Guide 2.0
  4. Cluster Management
  5. Operations Causing Unavailable Nodes

Operations Causing Unavailable Nodes

After logging in to a node created by using CCE, do not perform the following operations. Otherwise, the node will become unavailable.

Table 1 Operations causing node unavailability

SN

Risky Operation

Impact

1

Reinstall OS using the original image or another image

The node will become unavailable.

2

Modify OS configurations

The node will become unavailable.

3

Delete the opt directory, /var/paas directory, or a data disk

The node will become unavailable.

4

Format or partition a node disk

The node will become unavailable.

5

Modify a security group

The node will become unavailable or the cluster will exhibit unexpected behavior.

6

Upgrade the Docker version or kernel

The node will become unavailable.

What Should I Do After Performing a Risky Operation?

Delete the node and create a new node.