# Storage redundancy for Air Gap Protect storage

Air Gap Protect uses cloud provider storage with built-in redundancy across multiple locations to help ensure data durability and availability. This page compares how each storage tier is implemented across supported cloud providers, including durability, redundancy, and performance characteristics.

About the stats

- Storage tier names are Commvault designations and might not correspond to the names used by the storage providers.
- Durability values are based on storage provider SLAs:
  - Amazon S3
  - Azure Blob Storage
  - Google Cloud Storage
  - OCI Object Storage durability
- Performance values are typical and might vary based on workload and configuration.

Amazon S3

Multi-AZ redundancy is limited to Availability Zones within the same AWS region, ensuring high durability without cross-region data transfer or egress costs.

### Durability, redundancy and SLA

Storage tier | Durability | Redundancy | Minimum AZs | SLA (%)
--- | --- | --- | --- | ---
AGP Frequent access | 11 nines | Multi-AZ | 3 AZs | 99.99
AGP Infrequent access | 11 nines | Multi-AZ | 3 AZs | 99.99
AGP Archive | 11 nines | Multi-AZ | 3 AZs | 99.99

### Data protection features

Storage tier | Air gapped | Encrypted | Immutable | Minimum retention
--- | --- | --- | --- | ---
AGP Frequent access | Yes | Yes | Yes | No minimum retention
AGP Infrequent access | Yes | Yes | Yes | 30 days
AGP Archive | Yes | Yes | Yes | 180 days

### Performance characteristics

Storage tier | Performance
--- | ---
AGP Frequent access | Milliseconds
AGP Infrequent access | Milliseconds
AGP Archive | Hours

Azure Blob Storage

### Durability, redundancy and SLA

Storage tier | Durability | Redundancy | Minimum zones | SLA (%)
--- | --- | --- | --- | ---
AGP Frequent access | 11 nines | Locally redundant storage (LRS) | 1 zone | 99.99
AGP Frequent access (multi-region) | 16 nines | Geo redundant storage (GRS) | 2 zones | 99.99
AGP Infrequent access | 11 nines | Locally redundant storage (LRS) | 1 zone | 99.99
AGP Archive | 11 nines | Locally redundant storage (LRS) | 1 zone | 99.99

### Data protection features

Storage tier | Air gapped | Encrypted | Immutable | Minimum retention
--- | --- | --- | --- | ---
AGP Frequent access | Yes | Yes | Yes | No minimum retention
AGP Frequent access (multi-region) | Yes | Yes | Yes | No minimum retention
AGP Infrequent access | Yes | Yes | Yes | 30 days
AGP Archive | Yes | Yes | Yes | 180 days

### Performance characteristics

Storage tier | Performance
--- | ---
AGP Frequent access | Milliseconds
AGP Frequent access (multi-region) | Milliseconds
AGP Infrequent access | Milliseconds
AGP Archive | Hours

Google Cloud Storage

### Durability, redundancy and SLA

Storage tier | Durability | Redundancy | Minimum zones | SLA (%)
--- | --- | --- | --- | ---
AGP Frequent access | 11 nines | Regional | Multiple zones | 99.99
AGP Infrequent access | 11 nines | Regional | Multiple zones | 99.99
AGP Archive | 11 nines | Regional | Multiple zones | 99.99

### Data protection features

Storage tier | Air gapped | Encrypted | Immutable | Minimum retention
--- | --- | --- | --- | ---
AGP Frequent access | Yes | Yes | Yes | No minimum retention
AGP Infrequent access | Yes | Yes | Yes | 30 days
AGP Archive | Yes | Yes | Yes | 365 days

### Performance characteristics

Storage tier | Performance
--- | ---
AGP Frequent access | Milliseconds
AGP Infrequent access | Milliseconds
AGP Archive | Hours

OCI Object Storage

### Durability, redundancy and SLA

Storage tier | Durability | Redundancy | Minimum ADs | SLA (%)
--- | --- | --- | --- | ---
AGP Frequent access | 11 nines | Regional (across multiple ADs) | 3 ADs | 99.99
AGP Infrequent access | 11 nines | Regional (across multiple ADs) | 3 ADs | 99.99
AGP Archive | 11 nines | Regional (across multiple ADs) | 3 ADs | 99.99

### Data protection features

Storage tier | Air gapped | Encrypted | Immutable | Minimum retention
--- | --- | --- | --- | ---
AGP Frequent access | Yes | Yes | Yes | No minimum retention
AGP Infrequent access | Yes | Yes | Yes | 30 days
AGP Archive | Yes | Yes | Yes | 90 days

### Performance characteristics

Storage tier | Performance
--- | ---
AGP Frequent access | Milliseconds
AGP Infrequent access | Milliseconds
AGP Archive | Hours

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