This topic describes the specifications of cloud file gateways, on-premises file gateways, in-cloud block gateways, and on-premises block 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 Advanced
Storage protocol SMB NFSv3, NFSv4.0, NFSv4.1, and SMB NFSv3, NFSv4.0, NFSv4.1, and SMB NFSv3, NFSv4.0, NFSv4.1, and SMB
Maximum number of files 10 million 50 million 100 million 500 million
Maximum capacity of file sharing systems (recommended) 128 TB 256 TB 512 TB 1 P
Maximum number of file share directories NFS: 4, SMB: 4 NFS: 8, SMB: 8 NFS: 15, SMB: 15 NFS: 15, SMB: 15
Maximum number of agents 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 OSS-based synchronization 1 Gbps 2 Gbps 5 Gbps 10 Gbps
Encrypted transmission to OSS Supported Supported Supported Supported
Minimum cache capacity 40 GB 40 GB 40 GB 40 GB
Maximum cache capacity 1 TB 2 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
Table 2. Specifications of on-premises file gateways
Recommended VM configurations 4 Core/8 GB 8 Core/16 GB 16 Core/32 GB
Storage protocol NFSv3, NFSv4, and SMB NFSv3, NFSv4, and SMB NFSv3, NFSv4, and SMB
Maximum number of files 50 million 50 million 50 million
Maximum capacity of file sharing systems (recommended) 128 TB 128 TB 128 TB
Maximum number of active file share directories (recommended) NFS: 2, SMB: 2 NFS: 4, SMB: 4 NFS: 8, SMB: 8
Maximum number of file share directories NFS: 16, SMB: 16 NFS: 16, SMB: 16 NFS: 16, SMB: 16
Maximum number of agents 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 OSS-based synchronization 10 Gbps 10 Gbps 10 Gbps
Encrypted transmission to OSS Supported Supported Supported
Minimum cache disk capacity 40 GB 40 GB 40 GB
Image format OVA/VHD/QCOW2 OVA/VHD/QCOW2 OVA/VHD/QCOW2

Block gateways

Block gateways are classified into cloud block gateways and on-premises block gateways. The following tables describe their specifications.

Table 3. Specifications of cloud block gateways
Item Basic Standard Enhanced Advanced
Storage protocol iSCSI iSCSI iSCSI iSCSI
Maximum number of on-premises data volumes 4 8 16 16
Maximum 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 Gbps 2 Gbps 5 Gbps 10 Gbps
Encrypted transmission to OSS Supported Supported Supported Supported
Cache settings Pass-through and cache Pass-through and cache Pass-through and cache Pass-through and cache
Maximum cache capacity 1 TB 2 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
Table 4. Specifications of on-premises block gateways
Recommended VM specifications 4 Core/8 GB 8 Core/16 GB 16 Core/32 GB
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 agents concurrently connected to a gateway Unlimited Unlimited Unlimited
Encrypted transmission to OSS Supported Supported Supported
Minimum cache disk capacity 20 GB 20 GB 20 GB
Image format OVA/VHD/QCOW2 OVA/VHD/QCOW2 OVA/VHD/QCOW2