Why Do I Fail to Create a DCS Redis or Memcached Instance?
- The subnet does not have sufficient IP addresses.
Analysis: Each node in a DCS instance must be assigned an IP address. Therefore, a single-node instance requires one IP address, a master/standby instance requires two IP addresses, and a cluster instance requires multiple IP addresses.
Solution: Create the instance in a different subnet within the VPC or release IP addresses in the current subnet.
- The resources are sold out.
Analysis: The underlying server resources might be insufficient to fulfill instance creation orders submitted by multiple users at the same time. Therefore, some users might fail to create instances.
Solution: Delete the instance failed to be created and create a new one in another AZ.
- The IAM user does not have the permissions required to create an instance.
Analysis: The group to which the user belongs must be granted the DCS FullAccess policy or DCS Administrator role or other policies containing the permissions required for creating DCS instances.
Solution: Create a DCS instance as the administrator.
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