Available service tiers.
| Enums | |
|---|---|
TIER_UNSPECIFIED | 
              Not set. | 
STANDARD | 
              STANDARD tier. BASIC_HDD is the preferred term for this tier. | 
PREMIUM | 
              PREMIUM tier. BASIC_SSD is the preferred term for this tier. | 
BASIC_HDD | 
              BASIC instances offer a maximum capacity of 63.9 TB. BASIC_HDD is an alias for STANDARD Tier, offering economical performance backed by HDD. | 
BASIC_SSD | 
              BASIC instances offer a maximum capacity of 63.9 TB. BASIC_SSD is an alias for PREMIUM Tier, and offers improved performance backed by SSD. | 
HIGH_SCALE_SSD | 
              HIGH_SCALE instances offer expanded capacity and performance scaling capabilities. | 
ENTERPRISE | 
              ENTERPRISE instances offer the features and availability needed for mission-critical workloads. | 
ZONAL | 
              ZONAL instances offer expanded capacity and performance scaling capabilities. | 
REGIONAL | 
              REGIONAL instances offer the features and availability needed for mission-critical workloads. |