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OptScale FinOps
OptScale — FinOps
FinOps overview
Cost optimization:
AWS
MS Azure
Google Cloud
Alibaba Cloud
Kubernetes
MLOps
OptScale — MLOps
ML/AI Profiling
ML/AI Optimization
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cloud migration
Acura — Cloud migration
Overview
Database replatforming
Migration to:
AWS
MS Azure
Google Cloud
Alibaba Cloud
VMWare
OpenStack
KVM
Public Cloud
Migration from:
On-premise
disaster recovery
Acura — DR & cloud backup
Overview
Migration to:
AWS
MS Azure
Google Cloud
Alibaba Cloud
VMWare
OpenStack
KVM

Release Notes – ACURA – 4.6

Release Notes – ACURA – 4.5

Release Notes – ACURA – 4.4.1

Release Notes – ACURA – 4.4

Release Notes – ACURA – 4.3.1

Release Notes – ACURA – 4.3

Release Notes – ACURA – 4.2.2

Release Notes – ACURA – 4.2.1

Release Notes – ACURA – 4.2

Release Notes – ACURA – 4.1

Release Notes – ACURA – 4.0

Release Notes – ACURA – 3.9.1

Release Notes – ACURA – 3.10

Release Notes – ACURA – 3.9.1

Release Notes – ACURA – 3.9

Release Notes – ACURA – 3.8

Release Notes – ACURA – 3.7

Release Notes – ACURA – 3.6

Release Notes – ACURA – 3.5

Release Notes – ACURA – 3.4

Release – ACURA – 3.4 for VMware

Release Notes – ACURA – 3.3

Release Notes – ACURA – 3.2

Release Notes – ACURA – 3.1

Release Notes - ACURA - 4.6

  1. Enhanced the OpenStack External Replication Agent with a storage-agnostic CBT mechanism for incremental replication
  2. Direct2Target (D2T) Enhancements
     Added support for Disaster Recovery (DR) scenarios
     Added Receiver Mesh support for D2T scenarios, allowing Replication Agents to send data directly to D2T Agents instead of routing all traffic through the Controller
     Added support for multiple D2T Agent formats (raw, qcow2, ova, vmdk, iso)
     Improved stability and optimized the UI for D2T workflows
  3. PostgreSQL is now the default internal database for newly deployed Acura
  4. Added support for thick-provisioned disks in the VMware target cloud
  5. Improved performance and stability of the File Backup Agent
  6. Improved support of the latest Linux versions and kernels (incl. RHEL 9.8, RHEL 10.2 and Ubuntu 26.04)
  7. Security updates

Release Notes - ACURA - 4.5

  1. Direct2Target — VM migration/replication without dependency on target platform APIs
  2. Backup 2.0 — a new storage layer with:
    Storage-wide deduplication
    Encryption
    Different compression algorithms
    Improved storage maintenance and cleanup
  3. PostgreSQL Backup (specialized file-level backup agent with PostgreSQL backup-restore flows integration)
  4. S3 Object Lock support (Immutable Restore Points
  5. Added support for Stackit cloud as a target platform
  6. Added support for CloudSigma as a target platform
  7. Added support for Red Hat OpenShift Virtualization as a target platform
  8. Added support for Oracle Linux KVM and Oracle Linux Virtualization Manager as a target platform
  9. Performance improvements for oVirt-based platforms
  10. Audit security management
  11. Security updates

Release Notes - ACURA - 4.4.1

  1. Added Double Storage feature that allows selecting both block and object storages simultaneously for replication
  2. Added ‘Receiver Mesh’ option, which allows Replication Agents to send data directly to Cloud Agents instead of passing all traffic through the Controller
  3. Added option to secure connections to Cloud Agents via HTTPS.
  4. Added support of Azure Blob storage (only EN version)
  5. Improved support of the latest Linux versions and kernels (incl. Debian 13, RHEL 9.7, RHEL 10.1 and Ubuntu 25.10)
  6. ELK stack for logging has been replaced with a combination of Grafana and Loki
  7. Improved support for the MBR partitioning scheme in Windows
  8. Security updates

Release Notes - ACURA - 4.4

  1. Added Double Storage feature that allows selecting both block and object storages simultaneously for replication, accordance with the retention policy
  2. Added support of Azure Blob storage (only EN version)
  3. Improved support of the latest Linux versions and kernels (incl. Debian 13)
  4. Improved performance (ELK replaced with Grafana + Loki)
  5. Security updates

Release Notes - ACURA - 4.3.1

  1. Added a Disk Exclude option to allow selecting only the necessary disks for replication
  2. Added Ransomware protection – proactive detection of data change rate anomalies during incremental replication/backup
  3. Added support of the latest VMware vSphere 8.0U3e
  4. Improved support of the latest Linux versions (RHEL 9.6, RHEL 10, Ubuntu 25.04, SUSE Linux Enterprise Server 11)
  5. Security updates

Release Notes - ACURA - 4.3

  1. New features and improvements
    Synthetic full restore points
    Snapshot consolidation progress display
    LDAP-based login support
    Ability to use anonymous SMTP for email sending
  2. Performance improvements
    Improvements for working with large number of VMs within the customer
    VMware replication agent can filter discovered machines by tags/prefixes
    VMware replication agent can upload machine disks in parallel
  3. Platform support
    Improved support of the latest Linux versions (SUSE, RHEL, CentOS, etc.)
  4. Security updates
  5. UI improvements

Release Notes - ACURA - 4.2.2

  • 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

Release Notes - ACURA - 4.2.1

  • Improvements in boot order detection by VMware Agent

  • Added snapshotless mode for OpenNebula cloud

  • Security improvements

Release Notes - ACURA - 4.2

  • New external replication agent for OpenStack with Ceph as the storage backend for Cinder

  • Improvements in data compression during replication. Added more information about compression to logs and UI.

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

  • New Cloud Site run mode – with new Restore Point creation. This helps to run final increments before the cutover.

  • Added power management capability to external replication agent for VMware.

  • Machines list can be downloaded as CSV file to perform the following operations:

    • Rearranging machines between machine groups;

    • DR/Migration plans creation.

  • Support for snapshotless operation mode, which can be useful for migrations to clouds which have slow volume snapshot operations.

  • Various improvements around “migration from VMware” case.

  • Support replication of linux with kernels 5.15+ by internal replication agent (dkms case)

Release Notes - ACURA - 4.1

  • 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, dr/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

Release Notes - ACURA - 4.0

  • File-Folder Recovery support

Ability to restore individual files and folders from backup and DR solutions

  • 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

Release Notes - ACURA - 3.10

  • 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 – now it allows 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.

Release Notes - ACURA - 3.9.1

  • 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

  • Replication schedule – The latest 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 – 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

Release Notes - ACURA - 3.9

  • General Availability of Backup functionality

  • Stability and performance improvements for Acura HA deployments

  • Added Storage Report

  • More detailed information about Restore Points

Release Notes - ACURA - 3.8

  • Various stability improvements for all supported target clouds

  • Updated base image to Ubuntu 20.04

  • Extended kernel support for internal replication agent for Linux

Release Notes - ACURA - 3.7

  • vCloud support
    With the new release we brings in the vCloud support, thus during the failover process machines are registered in vCloud Director and can be assigned with the specific vCloud networks and storage policies.

  • Automatically getting networks from the following target clouds – VMware, OpenStack, Flexible Engine, AWS, Azure
    Previously our customers had to paste or enter network specifications for failover machine and DR and Migration plans manually. To improve the user-experience, we’ve implemented the way to pick the networks for the failover instances from the list we get directly from the cloud.

  • Introduces TLS encryption support for SMTP settings
    SMTP settings have been updated with the TLS encryption support to fit the customers requests

Release Notes - ACURA - 3.6

  • DKMS for Ubuntu and Debian systems
    DKMS significantly expands the list of supported kernels for Debian / Ubuntu systems, allowing not to depend on the version of a specific kernel, but to support it automatically

  • Improved clean-up processes for AWS cloud

  • More user-friendly error handlings and some minor user-experience changes to improve user-experience

  • New ability to update SSL certificate directly from Acura instance console

Release Notes - ACURA - 3.5

  • Auto-update of internal replication agents

  • Auto-unparking of machines with failed replication for the DR case

  • Support of RHEL/CentOS 8.x

  • Basic (UI) mode for DR plans for Acura with the VMware target cloud

  • Automatic Acura license consumption reporting

  • SMTP server configuration via Acura UI

Release Notes - ACURA - 3.4

  • Retention rework
    ◦ retention settings have been reworked to provide better control on number of Restore Points stored on 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 of Cloud Agents deployment. The same Cloud Agent can be used for all the customers which have the same target cloud / project.

  • General Improvements
    ◦ Improved stability and performance of the product

Release - ACURA - 3.4 for VMware

  • Improved support of VMware on a target cloud
    ◦ Hystax Acura 3.4 can be deployed on VMware clusters (ESXis 5.5+).
    ◦ Handling of resizing disks on VMware source machines
    ◦ Improved failovers on VMware
    ◦ Failback from VMware to VMware, OpenStack or Flexible Engine cloud
    ◦ Improved replication speed 

  • Multiple clouds support
    ◦ partners now can manage target clouds for their customers from main partner page
    ◦ customers now can manage source/failback clouds from main customer page

  • MSP Reports
    ◦ partners and customers now can get reports on licenses consumption.

  • Retention rework
    ◦ retention settings have been reworked to provide better control on number of Restore Points stored on 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 of Cloud Agents deployment. The same Cloud Agent can be used for all the customers which have the same target cloud / project.

  • General Improvements
    ◦ Improved stability and performance of the product

Release Notes - ACURA - 3.3

Failback to OpenStack and Flexible Engine

  • long-anticipated feature that allows our 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 now can take reports on DR/Migration license consumption.

Retention rework

  • retention settings have been reworked to provide better control on number of Restore Points stored on target cloud

Multiple endpoints

  • allow our partners to implement complex networking schemas, providing total networking isolation between different customers using designated proxies/VPN connections for each customer

Replication agents improvements

  • Linux agent auto update; internal agents now send stats about data reading and sending, allowing us to analyse bottlenecks in replication; more detailed 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.

Release Notes - ACURA - 3.2

  • Failover Image Download

    • Added the ability to download images in raw format from active CloudSides. Now users can download images and snip up VMs from them.

  • Replication Statistics

    • Now users can see replication statistics in UI: speed of the replication and the percentage of completion.

  • Cutover Report

    • Users can get Cutover Report on UI with ability to download it in .csv format.

    • Cutover Report

      • reports that show information about detached CloudSites with detailed information about this cloudsite (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)

  • CloudAgents Auto-update

    • After update of Acura – CloudAgents update themselves automatically. Before Hystax engineers had to update them manually.

  • Quotas Checks

    • We do cloud quotas checks before any actions which require additional cloud resources: ports, volumes, floating IPs, instances, snapshots, etc. For different clouds we have different list of quotas checks.

    • This feature gives opportunity to fail the action before we face an error and inform the user what is wrong and what is not enough to continue.

  • Initconfig UX Improvements

    • Improvements in errors messages during initial configuration: the user gets more detailed message which contains information what is wrong to give him opportunity to fix the issue by himself and successfully pass initial configuration of Acura.

  • Azure Support Improvements

    • Increased stability and performance of Acura components regarding Azure Cloud which is not fast enough.

  • Bug fixes and Improvements

Release Notes - ACURA - 3.1

  • 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