This topic describes the specifications of cloud file gateways, on-premises file gateways, cloud iSCSI gateways, and on-premises iSCSI gateways.
File gateways
File gateways are classified into cloud file gateways and on-premises file gateways. The following tables describe their specifications.
Table 1. Specifications of cloud file gateways
Item | Basic | Standard | Enhanced | Performance Optimized |
Storage protocol |
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Maximum number of files (recommended) | 50 million | 100 million | 500 million | 1 billion |
Maximum capacity of shared file systems (recommended) | 128 TB | 256 TB | 512 TB | 1 PB |
Maximum number of shared files |
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Maximum number of agents concurrently connected to a gateway |
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Maximum bandwidth for OSS-based synchronization | 1 Gbps | 2 Gbps | 5 Gbps | 10 Gbps |
Encrypted transmission to OSS | Yes | Yes | Yes | Yes |
Cache capacity | 40 GB to 4 TB | 40 GB to 8 TB | 40 GB to 32 TB | 40 GB to 32 TB |
Maximum gateway read bandwidth | 1 Gbit/s | 2.5 Gbit/s | 5 Gbit/s | 10 Gbit/s |
Maximum gateway write bandwidth | 1 Gbit/s | 2 Gbit/s | 3 Gbit/s | 5 Gbit/s |
Table 2. Specifications of on-premises file gateways
Recommended VM specifications | 4 Cores/8 GB | 8 Cores/16 GB | 16 Cores/32 GB |
Storage protocol |
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Maximum number of files (recommended) | 50 million | 50 million | 50 million |
Maximum capacity of shared file systems (recommended) | 128 TB | 128 TB | 128 TB |
Maximum number of shared files |
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Maximum number of agents concurrently connected to a gateway |
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Maximum bandwidth for OSS-based synchronization | 10 Gbit/s | 10 Gbit/s | 10 Gbit/s |
Encrypted transmission to OSS | Yes | Yes | Yes |
Minimum cache capacity | 40 GB | 40 GB | 40 GB |
Image format |
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iSCSI gateways
Block gateways are classified into cloud iSCSI gateways and on-premises iSCSI gateways. The following tables describe their specifications.
Table 3. Specifications of cloud iSCSI gateways
Item | Basic | Standard | Enhanced | Performance Optimized |
Storage protocol | iSCSI | iSCSI | iSCSI | iSCSI |
Maximum number of on-premises data volumes | 4 | 8 | 16 | 16 |
Maximum data volume capacity | 256 TB | 256 TB | 256 TB | 256 TB |
Maximum number of agents concurrently connected to a gateway | Unlimited | Unlimited | Unlimited | Unlimited |
Maximum bandwidth for OSS-based synchronization | 1 Gbit/s | 2 Gbit/s | 5 Gbit/s | 10 Gbit/s |
Encrypted transmission to OSS | Yes | Yes | Yes | Yes |
Cache settings | Pass-through Cache | Pass-through Cache | Pass-through Cache | Pass-through Cache |
Maximum cache capacity | 4 TB | 8 TB | 32 TB | 32 TB |
Maximum gateway read bandwidth | 1 Gbit/s | 2.5 Gbit/s | 5 Gbit/s | 10 Gbit/s |
Maximum gateway write bandwidth | 1 Gbit/s | 2 Gbit/s | 3 Gbit/s | 5 Gbit/s |
Table 4. Specifications of on-premises iSCSI gateways
Recommended VM specifications | 4 Cores/8 GB | 8 Cores/16 GB | 16 Cores/32 GB |
Storage protocol | iSCSI | iSCSI | iSCSI |
Maximum data volume capacity | 256 TB | 256 TB | 256 TB |
Recommended number of data volumes | 16 | 64 | 128 |
Maximum number of data volumes | 128 | 128 | 128 |
Maximum number of agents concurrently connected to a gateway | Unlimited | Unlimited | Unlimited |
Encrypted transmission to OSS | Yes | Yes | Yes |
Minimum cache capacity | 20 GB | 20 GB | 20 GB |
Image format |
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