This topic describes the specifications of in-cloud file gateways, local file gateways,
in-cloud block gateways, and local block gateways.
File gateways
File gateways are classified into in-cloud file gateways and local file gateways.
Table 1 and Table 2 show the specifications of these file gateways.
Table 1. Specifications of in-cloud file gateways
| Item |
Description |
| Type |
Basic |
Standard |
Enhanced |
Advanced |
| Storage protocol |
Network File System Version 3 (NFSv3), NFSv4, and Server Message Block (SMB) |
NFSv3, NFSv4, and SMB |
NFSv3, NFSv4, and SMB |
NFSv3, NFSv4, and SMB |
|
Maximum number of files transferred between Object Storage Service (OSS)
|
10 million
|
50 million
|
100 million
|
500 million
|
|
Maximum capacity of file sharing systems (recommended)
|
64 TB
|
128 TB
|
256 TB
|
256 TB
|
|
Maximum number of file shares
|
NFS: 4, SMB: 4
|
NFS: 8, SMB: 8
|
NFS: 16, SMB: 16
|
NFS: 16, SMB: 16
|
|
Maximum number of clients concurrently connected to a gateway
|
NFS: 1,024, SMB: 1,024
|
NFS: 1,024, SMB: 1,024
|
NFS: 1,024, SMB: 1,024
|
NFS: 1,024, SMB: 1,024
|
|
Maximum bandwidth for synchronization with OSS
|
1 Gbit/s
|
2 Gbit/s
|
5 Gbit/s
|
10 Gbit/s
|
|
Encrypted transmission to OSS
|
Yes
|
Yes
|
Yes
|
Yes
|
|
Minimum cache capacity
|
40 GB
|
40 GB
|
40 GB
|
40 GB
|
|
Maximum gateway bandwidth
|
1 Gbit/s
|
2 Gbit/s
|
5 Gbit/s
|
10 Gbit/s
|
Table 2. Specifications of local file gateways
|
Item
|
Description
|
|
Recommended configurations for virtual machines
|
4-core, 8 GB memory
|
8-core, 16 GB memory
|
16-core, 32 GB memory
|
|
Storage protocol
|
NFSv3, NFSv4, and SMB
|
NFSv3, NFSv4, and SMB
|
NFSv3, NFSv4, and SMB
|
|
Maximum number of files transferred between Object Storage Service (OSS)
|
50 million |
50 million |
50 million |
| Maximum capacity of file sharing systems (recommended) |
128 TB |
128 TB |
128 TB |
| Maximum number of file shares (recommended) |
NFS: 4, SMB: 4 |
NFS: 8, SMB: 8 |
NFS: 16, SMB: 16 |
| Maximum number of file shares |
NFS: 16, SMB: 16 |
NFS: 16, SMB: 16 |
NFS: 16, SMB: 16 |
| Maximum number of clients concurrently connected to a gateway |
NFS: 1,024, SMB: 1,024 |
NFS: 1,024, SMB: 1,024 |
NFS: 1,024, SMB: 1,024 |
|
Maximum bandwidth for synchronization with OSS
|
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 |
OVA, VHD, and QCOW2 |
OVA, VHD, and QCOW2 |
OVA, VHD, and QCOW2 |
Block gateways
Block gateways are classified into in-cloud block gateways and local block gateways.
Table 3 and Table 4 show the specifications of these block gateways.
Table 3. Specifications of in-cloud block gateways
| Item |
Description |
| Type |
Basic |
Standard |
Enhanced |
Advanced |
| Storage protocol |
iSCSI |
iSCSI |
iSCSI |
iSCSI |
| Maximum number of local data volumes |
4 |
8 |
16 |
16 |
| Maximum volume capacity |
256 TB |
256 TB |
256 TB |
256 TB |
| Maximum number of clients concurrently connected to a gateway |
Not limited |
Not limited |
Not limited |
Not limited |
|
Maximum bandwidth for synchronization with OSS
|
1 Gbit/s |
2 Gbit/s |
5 Gbit/s |
10 Gbit/s |
| Encrypted transmission to OSS |
Yes |
Yes |
Yes |
Yes |
| Cache settings |
Write-through and cache |
Write-through and cache |
Write-through and cache |
Write-through and cache |
| Bandwidth |
1 Gbit/s |
2 Gbit/s |
5 Gbit/s |
10 Gbit/s |
Table 4. Specifications of local block gateways
| Item |
Description |
| Recommended VM specifications |
4-core, 8 GB memory |
8-core, 16 GB memory |
16-core, 32 GB memory |
| Storage protocol |
iSCSI |
iSCSI |
iSCSI |
| Maximum 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 clients concurrently connected to a gateway |
Not limited |
Not limited |
Not limited |
| Encrypted transmission to OSS |
Yes |
Yes |
Yes |
| Minimum cache disk capacity |
20 GB |
20 GB |
20 GB |
| Image format |
OVA, VHD, and QCOW2 |
OVA, VHD, and QCOW2 |
OVA, VHD, and QCOW2 |