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x360Recover Agent - Release Notes for Agent 2.24

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Tami Sutcliffe
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x360Recover Release Information

 Agent Version:

     v.2.24

 Release Date(s):

     Targeted release starting October 28, 2019

 

Release Overview

x360Recover Agent 2.24 is a feature release. The primary purpose of this release is to provide support for Microsoft Cluster Shared Volumes.  In addition, storage IO has been optimized by changing the way we track transmitted changed blocks, reducing local disk usage and total IO during the backup. 

Major Features Summary

Summary of Microsoft Cluster Shared Volume Support

Microsoft Failover Cluster is a configuration of multiple Windows servers providing high availability of role services and shared disks by distributing them across multiple nodes within a cluster. 

Roles provided by a failover cluster include

  • essential services and applications (such as DHCP or DNS services, or Hyper-V virtual machines)
  • shared disks that can be manually or automatically relocated to any node within the cluster
  • Cluster Shared Volumes which provide disk storage that all nodes within the cluster can concurrently both read and write as if it were local storage.

In conjunction with 8.4.0 or higher, Agent 2.24 provides support for backup and recovery of shared disks and Cluster Shared Volumes within a Microsoft failover cluster.  

Review the x360Recover Guide to Failover Cluster Services for complete details.

Summary of Storage IO Optimization

  • A single hash-bin file is now used to track changes committed to the appliance
  • Read/Write IO operations are dramatically reduced by eliminating the temp-hash file during backups
  • Storage requirements for hash files have been reduced by 50%
  • Buffered data in transit is flushed synchronously on the appliance to guarantee 100% data integrity

Summary of Bug Fixes

  • Resolved rare edge-case where data integrity violations may occur
  • Resolved FastDelta crash when unmounted volumes are present
  • Raw disk present when virtualizing if last volume on disk 0 has no drive letter or mount point
  • Removed superfluous ‘Agent has started’ messages in event logs
  • Fixed ‘GetQueuedCompletionStatus’ failures at the end of a backup
  • Removed failed volume check events being logged every minute when a volume is inaccessible
  • Removed inaccurate ‘System Has Changed’ events logged every minute
  • Eliminated backup failure: “Backup status check on Appliance failed” after appliance reboot

=====================================================

Auto Update Best Practices

We recommend that Enable Auto Update is enabled on the Settings -> Update Manager page on each of your x360Recover devices. 

We also recommend that you enable Auto-Enable Remote Assist When Upgrading so that remote access will be available to our development team should something go wrong with your upgrade.

This will ensure that your x360Recover devices are updated with the latest software enhancements in a timely fashion, and that the x360Recover Support team will have a short window of time to access and repair any troublesome devices without requiring user intervention.

 

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