Defining proper names for components is sometimes overlooked when provisioning, which might be problematic in some cases and, in other cases, inconvenient to change once set. Use DNS-appropriate naming conventions for all ECS constructs—hosts, clusters, VDCs, storage pools, replication groups, namespaces, and buckets. While some constructs might allow additional characters, such as underscores, limiting characters to those that are acceptable to DNS eliminates potential application-related conflicts that might arise when valid namespace or bucket names that do not translate DNS are used. Use only the following characters:
- Lower case letters (a-z). Do not use upper case letters.
- Numbers (0-9).
- Hyphens. Avoid the use of underscores.
- Use DNS-appropriate naming conventions.
- Do not use personal or confidential information as names.
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