This topic describes the specifications of cloud file gateways, on-premises file gateways, and cloud 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
|
Gateway specification |
Basic |
Standard |
Enhanced |
Performance Optimized |
|
Storage protocol |
|
|
|
|
|
Maximum number of files (recommended) |
50 million |
100 million |
500 million |
1 billion |
|
Maximum capacity of a shared file system (recommended) |
128 TB |
256 TB |
512 TB |
1 PB |
|
Maximum number of shares |
4 |
8 |
16 |
16 |
|
Maximum number of clients |
1024 |
1024 |
1024 |
1024 |
|
Maximum bandwidth for synchronization with OSS |
1 Gbps |
2 Gbps |
5 Gbps |
10 Gbps |
|
Encrypted transmission to OSS |
Yes |
Yes |
Yes |
Yes |
|
Cache capacity |
40 GB~4 TB |
40 GB~8 TB |
40 GB~32 TB |
40 GB~32 TB |
|
Maximum gateway read bandwidth |
1 Gbps |
2.5 Gbps |
5 Gbps |
10 Gbps |
|
Maximum gateway write bandwidth |
1 Gbps |
2 Gbps |
3 Gbps |
5 Gbps |
Table 2. Specifications of on-premises file gateways
|
Recommended VM specifications |
4 Core/8 GB |
8 Core/16 GB |
16 Core/32 GB |
|
Storage protocol |
|
|
|
|
Maximum number of files (recommended) |
50 million |
50 million |
50 million |
|
Maximum capacity of a shared file system (recommended) |
128 TB |
128 TB |
128 TB |
|
Maximum number of shares |
2 |
4 |
8 |
|
Maximum number of clients |
1024 |
1024 |
1024 |
|
Maximum bandwidth for synchronization with OSS |
10 Gbps |
10 Gbps |
10 Gbps |
|
Encrypted transmission to OSS |
Yes |
Yes |
Yes |
|
Minimum cache capacity |
40 GB |
40 GB |
40 GB |
|
Image format |
|
|
|
iSCSI gateways
The following table describes the specifications of cloud iSCSI gateways.
Table 3. Specifications of cloud iSCSI gateways
|
Gateway specification |
Basic |
Standard |
Enhanced |
Performance Optimized |
|
Storage protocol |
iSCSI |
iSCSI |
iSCSI |
iSCSI |
|
Maximum number of data volumes |
4 |
8 |
16 |
16 |
|
Maximum data volume capacity |
256 TB |
256 TB |
256 TB |
256 TB |
|
Maximum concurrent clients |
Unlimited |
Unlimited |
Unlimited |
Unlimited |
|
Maximum bandwidth for synchronization with OSS |
1 Gbps |
2 Gbps |
5 Gbps |
10 Gbps |
|
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 Gbps |
2.5 Gbps |
5 Gbps |
10 Gbps |
|
Maximum gateway write bandwidth |
1 Gbps |
2 Gbps |
3 Gbps |
5 Gbps |