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Cloud Storage Gateway:Release notes

Last Updated:Jun 17, 2025

This topic describes the release notes for Cloud Storage Gateway (CSG) and provides the relevant reference topics.

Version

Release date

Description

References

v2.0.3

January 2, 2025

Enhanced user experience: The stability of file gateways is enhanced.

None

v2.0.2

December 18, 2024

New feature: Shares support OSS signature algorithm V4.

Upgrade from Signature V1 to Signature V4

v2.0.1

November 13, 2024

User experience optimization: File gateways have better performance stability.

None

v2.0.0

October 11, 2024

New feature: Cross-zone high-availability (HA) file gateways are supported.

Manage a cross-zone HA file gateway in the CSG console

v1.10.7

August 16, 2024

User experience optimization: File gateways have better performance stability.

None

v1.10.6

May 24, 2024

User experience optimization: File gateways have better performance stability.

None

v1.10.4

April 1, 2024

New feature: SMB shares support security settings.

Set SMB security

v1.10.3

February 2, 2024

User experience optimization:

  • Full synchronization performance is optimized.

  • The batch deletion capability is supported to reduce the number of calls to Simple Message Queue (SMQ).

None

v1.10.0

November 24, 2023

User experience optimization:

  • Directory iteration performance for NFS mount points is improved for heavy workload.

  • The performance of reading and writing small flies is improved in high concurrency scenarios.

None

v1.9.6

July 12, 2024

User experience optimization:

  • Two additional cache disk types are available during file gateway creation: ESSD Cloud Disk PL2 and ESSD Cloud Disk PL3.

  • Gateway performance is optimized for specific scenarios.

v1.9.4

September 6, 2023

User experience optimization:

  • Mapping between file gateways and Archive buckets is optimized to reduce unnecessary object restoration.

  • A file gateway uses the internal endpoint to access an Object Storage Service (OSS) bucket in the same region by default.

v1.9.3

June 30, 2023

New feature: Group permissions for file gateways that are added to Active Directory (AD) domains can be configured by using the CSG console.

Add Active Directory domain users and groups to an SMB share

v1.9.2

May 10, 2023

  • New feature: CloudMonitor provides upload queue metrics for file gateways.

  • User experience optimization: Renaming performance is optimized. The speed of uploading small files to OSS is improved.

CloudMonitor integration

v1.9.1

March 15, 2023

New feature: Express synchronization can be configured for file gateways in China (Hohhot) and China (Ulanqab) by using the CSG console.

None

v1.8.6

October 26, 2022

New feature: On-premises file gateways can be connected with SandStone Massive Object Storage.

None

v1.8.5

September 2, 2022

User experience optimization: The user management module for Server Message Block (SMB) is optimized for AD domains that have a large number of users.

None

v1.8.4

July 15, 2022

User experience optimization: When you expand the capacity of a cache disk for a file gateway, disk space can be allocated proportionally for metadata storage based on the newly added capacity.

None

v1.8.2

May 6, 2022

User experience optimization: On-premises file gateways support an increase in the cache size.

None

v1.8.1

April 11, 2022

  • New feature: Cache size can be increased without I/O interruptions for shares created for CSG version 1.8.0 and later.

  • User experience optimization: A share can be created when you create a file gateway.

None

v1.8.0

January 21, 2022

User experience optimization: Reverse synchronization performance is optimized for file gateways.

None

v1.7.5

December 15, 2021

  • Security enhancements: Unnecessary ports are disabled.

  • User experience optimization: iSCSI volumes can be deleted with higher efficiency.

None

v1.7.4

October 14, 2021

User experience optimization: CloudMonitor capabilities are enhanced.

None

v1.7.3

October 14, 2021

User experience optimization:

  • Data can be uploaded with higher efficiency to an OSS bucket for which versioning is configured.

  • The efficiency of reading large files is improved.

None

v1.7.2

July 21, 2021

User experience optimization: The I/O performance of Network File System (NFS) shares for file gateways is optimized.

None

v1.7.1

May 20, 2021

New feature: Data can be directly read from OSS buckets by file gateways.

None

v1.7.0

April 2, 2021

New features:

  • The cache disk capacity of a share can be scaled up for file gateways.

  • The details of an NFS client can be shown in the file gateway console.

  • Server-side SM4 encryption is supported for file gateways.

  • The cache disk path of a share can be shown for file gateways.

  • Bucket subdirectories can be mounted for file gateways by using the NFS version 3 (NFSv3) protocol.

None

v1.6.1

January 5, 2021

User experience optimization: The reverse synchronization performance of file gateways is optimized.

None

v1.6.0

November 27, 2020

New features:

  • NFS shares, SMB shares, and iSCSI volumes can be mounted over IPv6 in the China (Hohhot) region.

  • The AccessKey pairs of on-premises gateways can be changed.

User experience optimization:

  • The read and write performance of file gateway shares is optimized.

  • The file system capacity of a file gateway is improved. The capacity is increased to 128 TB for a Basic gateway, 256 TB for a Standard gateway, 512 TB for an Enhanced gateway, and 1 PB for a Performance Optimized gateway.

Modify the AccessKey ID and AccessKey secret

v1.5.2

October 21, 2020

User experience optimization:

  • The metadata stored in the on-premises cache disks of file gateways can be defragmented with higher efficiency.

  • File gateways and block gateways can access OSS at a higher speed.

None

v1.5.1

August 27, 2020

New features:

  • The memory usage of file systems is reduced.

  • Service-linked roles for CSG can be created.

Service-linked roles for CSG

v1.5.0

June 30, 2020

New features:

  • The number of active messages in an express synchronization group can be displayed.

  • The replication mode is globally supported in CSG.

Download data

User experience optimization:

  • The cyclic redundancy check (CRC) of renamed files is enhanced for file gateways.

  • The performance of data duplication in replication mode is improved.

  • The stability of NFS access to file gateways is enhanced.

  • The load time of a shared large-capacity file system is shortened.

Newly supported region: China (Heyuan)

v1.4.0

April 10, 2020

New features:

  • Data can be duplicated by using file gateways in replication mode. This feature is available only to the users in the whitelist.

  • The replication mode can be enabled or disabled. This feature is available only to the users in the whitelist.

  • The replication mode allows you to add and remove directories. This feature is available only to the users in the whitelist.

User experience optimization:

  • Express synchronization across regions is supported.

  • The description for the UTF-8 verification of the file names is included in the instructions for file gateways.

  • The status of downloading and uploading queues can be displayed for file gateways.

  • The passwords of on-premises gateways can be reset.

  • Log data of on-premises gateways can be collected by Simple Log Service.

Newly supported region: Japan (Tokyo)

v1.3.0

March 6, 2020

New features:

  • The transfer acceleration feature is supported by file gateways.

  • The replication mode of file gateways is enhanced to replicate data to local clients. This feature is available only to the users in the whitelist.

User experience optimization:

  • CSG can be accessed by using API operations.

  • CSG is supported by CloudMonitor.

  • Gateway performance is optimized for uploads of large files.

  • Paid network bandwidth upgrades are supported.

Newly supported regions:

  • Malaysia (Kuala Lumpur)

  • US (Silicon Valley)

  • US (Virginia)

v1.2.0

January 8, 2020

New features:

  • Disk encryption by using bring-your-own-key (BYOK) is supported for Enhanced or Performance Optimized file gateways. This feature is available only to the users in the whitelist.

  • Enhanced and Performance Optimized file gateways allow you to associate multiple OSS buckets with the same share.

Associate a share with multiple OSS buckets

User experience optimization:

  • Fragment optimization based on the NFSv4 protocol is supported for file gateways. If multiple requests to upload a file to the OSS bucket are sent, only one of the requests is processed. File gateways cannot mount shares on on-premises clients over NFSv3.

  • The express synchronization feature is optimized on the NFS client side. Metadata updates can be discovered by NFS clients in real time.

v1.1.0

December 26, 2019

New features:

  • Express synchronization is supported for file gateways. This feature detects data changes in OSS buckets without the need for a full scan. Express synchronization allows a single user to write data to a gateway and multiple users to read data from the gateway at the same time.

  • File gateways support Windows access-based enumeration (ABE). You can use this feature together with the AD service to isolate access requests from different accounts.

User experience optimization:

  • The specifications of CSG can be upgraded.

  • Automatic renewal of subscriptions is supported.

Newly supported regions:

  • China (Chengdu)

  • Indonesia (Jakarta)