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Release Notes#

Version 4.3#

Released: 2025-04-30

  • Synthetic full restore points support

  • A new snapshot consolidation progress display provides real-time visibility

  • LDAP-based login support has been added

  • Added the ability to use anonymous SMTP for email sending

  • Improvements for working with large number of VMs within the customer

  • Replication agent for VMware can filter discovered machines by tags or prefixes

  • Replication agent for VMware can upload machine disks in parallel

  • Improved support of the latest Linux versions (SUSE, RHEL, CentOS, etc.)

  • Security updates

  • UI improvements

Version 4.2.2#

Released: 2024-10-18

  • Improved Acura internal DBs backup system

  • Added ability to set custom image metadata for replicated VMs for OpenStack and OpenNebula

  • Default Hystax tags/metadata is no longer set on the resources created by Acura

  • Replication agent for VMware can handle multiple hosts/clusters

  • Improved network interruption protection

  • Fixed bug with additional snapshot kept on Cloud Site launch

Version 4.2.1#

Released: 2024-09-30

  • Improvements in boot order detection by the VMware Agent

  • Added snapshotless mode for the OpenNebula cloud

  • Security improvements

Version 4.2#

Released: 2024-08-22

  • Implemented external replication agent for the OpenStack cloud platform with Ceph as the storage backend for Cinder

  • Improvements in data compression during replication. Enhanced logs and UI with additional details about compression

  • Network bandwidth utilization can be limited on the machine group level

  • Implemented a new Cloud Site run mode with new Restore Point creation. Run final increments before the cutover

  • Incorporated power management features into the external replication agent for VMware

  • The machines list can be downloaded as a CSV file to perform the following operations:

    • Rearranging machines between machine groups

    • Migration plans creation

  • Added support for snapshotless operation mode, beneficial for migrating to the clouds with slow volume snapshot processes

  • Improvements around the “migration from VMware” case

  • Added support for replication of Linux systems with kernels 5.15+ (for DKMS driver package)

Version 4.1#

Released: 2023-10-13

  • Support oVirt cloud

  • Implemented external replication agent for the oVirt cloud platform

  • Baget stability improvements

  • User-friendly interface implemented for external replication agents, cloud agent and failback agent, allows to see log in real time and to manage agent configuration

  • Improvement and bug fixes in recovery processes (recovery to VMware, migration plans improvements/fixes, improved recovery for Windows machines)

  • Performance improvements for Acura HA deployments

  • ACP improvements

  • RHEL 8.7/8.8/9.0/9.1/9.2 support

  • Security improvements

  • Improvements for cleanup processes

Version 4.0#

Released: 2023-06-16

  • Performance improvements and cleanup processes for Acura HA deployments
  • Extend external agent download flow to include basic network configuration
  • User-friendly network setup for the VMware agent
  • Allow changing agent override and customer overlay on customer edit form
  • Improvements for certificate update process
  • Security improvements

Version 3.10#

Released: 2023-06-09

  • Implemented an ability to migrate and make DR and backup for individual disks by attaching these disks to the existing instances in the target cloud (supported clouds: OpenStack, AWS).
  • VMware agent can work on a cluster level in case of vCenter and handle all machines on a VMware cluster
  • Hystax Acura Backup supports NFS and SMB shares as a target
  • Significantly increased list of troubleshooting tools for the VMware agent. It allows to ping, nslookup, tcpdump and so on
  • Released support for 5.9-5.14 Linux kernels
  • Customers are provided with User Interface to update certificates on the Acura Controller.

Version 3.9.1#

Released: 2022-12-02

  • Email two-factor authentication introduces more security into our login process. The process includes a simple 2FA with one-time passwords (OTP) being sent to the user's email
  • The version provides a calendar-like schedule with the ability to create multiple replication schedules
  • Renewed initial configuration with extended additional parameters available for a cloud
  • More flexible SMTP settings, allowing "FROM" address independently from the login information
  • Automatic machine status report is added. It is a periodic job that collects information about protected/parked machines, related warning/error events and sends a report once a day
  • Significantly increased Linux agent performance

Version 3.9#

Released: 2022-12-02

  • General Availability of Backup functionality
  • Stability and performance improvements for Acura HA deployments
  • Added Storage Report
  • More detailed information about Restore Points

Version 3.8#

Released: 2021-08-06

  • Various stability improvements for all supported target clouds
  • Updated base image to Ubuntu 20.04
  • Extended kernel support for internal replication agent for Linux

Version 3.7#

Released: 2021-04-06

  • vCloud support

    This release features vCloud support for VMware, enabling machines to be registered in vCloud Director during the failover process and to be assigned with vCloud networks and specific storage policies.

  • List of available networks in the cloud

    While creating a Migration/DR Plan in the Basic mode, the user can now choose from a list of networks that is obtained automatically from the target cloud (VMware, OpenStack, Flexible Engine, AWS, Azure).

  • TLS encryption support for customer's SMTP configuration

Version 3.6#

Released: 2021-04-16

  • DKMS for Ubuntu and Debian systems

    DKMS significantly expands the list of supported kernels for Debian/Ubuntu systems, allowing to automatically build the required drivers on-the-go during Replication Agent's installation.

  • Improved clean-up processes for AWS cloud

  • More user-friendly error handling and minor changes in the UI to improve user-experience

  • New ability to update SSL certificate directly from the console of Acura's instance

Version 3.5#

Released: 2021-02-26

  • Auto-update of the internal replication agents
  • Auto-unparking of machines with failed replication in case of DR
  • Support of RHEL/CentOS 8.x
  • Basic (UI) mode for DR plans for Acura with VMware as the target cloud
  • Automatic Acura license consumption reporting
  • SMTP server configuration via Acura UI

Version 3.4#

Released: 2020-07-13

  • Retention rework

    Retention settings have been reworked to provide better control over the number of Restore Points saved in target cloud.

  • Improvements in agents' failure messages

    More detailed error messages from the replication agents in the Hystax Acura UI.

  • Single Cloud Agent for a cloud

    Improved partner experience with the Cloud Agents deployment. The same Cloud Agent can be used for all the customers that have the same target cloud/project.

  • General Improvements

    Improved stability and performance of the product.

Version 3.4 Notes for VMware cloud

  • Improved support for VMware as a target cloud

    Hystax Acura 3.4 can be deployed on VMware clusters (ESXis 5.5+).

    Handling of resizing disks in VMware source machines.

    Improved failovers with VMware

    Failback from VMware to VMware, OpenStack or Flexible Engine cloud.

    Improved replication speed.

  • Multiple clouds support

    Partners can now manage target clouds for their customers from the main partner page.

    Customers can now manage source/failback clouds from the main customer page.

  • MSP Reports

    Partners and customers can get reports on license consumption.

  • Retention rework

    Retention settings have been reworked to provide better control over the number of Restore Points saved in target cloud.

  • Improvements in agents' failure messages

    More detailed error messages from the replication agents in the Hystax Acura UI.

  • Single Cloud Agent for a cloud

    Improved partner experience with the Cloud Agent deployment. The same Cloud Agent can be used for all the customers that have the same target cloud/project.

  • General Improvements

    Improved stability and performance of the product.

Version 3.3#

Released: 2019-12-25

  • Failback to OpenStack and Flexible Engine

    A long-anticipated feature that allows DR customers and partners to perform automated Failback to these clouds.

  • Multiple clouds

    Partners now can manage target clouds for their customers.

  • MSP reports

    Partners and customers can generate reports on DR/Migration license consumption.

  • Retention rework

    Retention settings have been reworked to provide better control over the number of Restore Points saved in the target cloud.

  • Multiple endpoints

    Allows to implement complex networking schemas, providing total networking isolation between different customers while using designated proxies/VPN connections for each customer.

  • Replication agents improvements

    Linux agent auto update; internal agents now send stats on data reading and sending rates, allowing to pinpoint any bottlenecks in replication.

    More informative logging.

    Extended list of supported Linux kernels.

    Stability improvements.

  • Overall improvements

    Custom SMTP support for sending notifications.

    Better Initial Config experience.

    Improved diagnosis messages and many more small but significant fixes and improvements all over the product.

    To configure custom SMTP settings, please refer to the Knowledge Base article at: hystax.com.

Version 3.2#

Released: 2019-12-25

  • Failover Image Download

    Added the ability to download images in the .raw format from active Cloud Sites. Users can now download images and spin up VMs based on them.

  • Replication Statistics

    Users can now see replication statistics in the UI: speed of the replication and the percentage of completion.

  • Cutover Report

    Users can get a Cutover Report in the UI along with the ability to download it in the .csv format.

    Reports show information about detached Cloud Sites with the

    according details (cloud resources, detach time, etc).

  • Dynamic Disks Support

    Support of spanned, striped, mirrored, and RAID-5 volumes.

    Limitation: dynamic disks are converted into simple volumes (only for Internal Windows Agent).

  • Cloud Agent's Auto-update

    If Acura is updated, Cloud Agents update themselves automatically. The operation had to be performed manually by Hystax Engineering team before.

  • Quotas Checks

    A cloud quotas checks is now performed before any action which requires additional cloud resources: ports, volumes, floating IPs, instances, snapshots, etc. There is a different list of quotas checks for each cloud platform.

    This feature gives opportunity to fail the action before encountering an actual error and inform the user accordingly.

  • Initconfig UX Improvements

    Improvements in error messages during initial configuration: the user will get a more detailed message that can help resolve the issue without the need to contact the Support Team, and pass the initial configuration of Acura.

  • Azure Support Improvements

    Increased stability and performance of Acura components in case of Azure Cloud.

    Bug fixes and Improvements

Version 3.1#

Released: 2019-11-15

  • Azure support
  • AWS Marketplace support
  • Resources cleanup improvements
  • Extended Cloud Agent deployment configuration through Cloud overlays
  • Block device exclusion for Linux Replication Agent
  • Bugfixes and UX improvements

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