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Release Notes for Azure Application Consistent Snapshot tool

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This page lists major changes made to AzAcSnap to provide new functionality or resolve defects.

Mar-2022

AzAcSnap v5.1 Preview (Build: 20220302.81795)

AzAcSnap v5.1 Preview (Build: 20220302.81795) has been released with the following new features:

  • Azure Key Vault support for securely storing the Service Principal.
  • A new option for -c backup --volume which has the all parameter value.

Details of these new features are in the AzAcSnap Preview documentation.

Read about the new features and how to use the AzAcSnap Preview. Download the latest release of the Preview installer.

Feb-2022

AzAcSnap v5.1 Preview (Build: 20220220.55340)

AzAcSnap v5.1 Preview (Build: 20220220.55340) has been released with the following fixes and improvements:

  • Resolved failure in matching --dbsid command line option with sid entry in the JSON configuration file for Oracle databases when using the -c restore command.

AzAcSnap v5.1 Preview (Build: 20220203.77807)

AzAcSnap v5.1 Preview (Build: 20220203.77807) has been released with the following fixes and improvements:

  • Minor update to resolve STDOUT buffer limitations. Now the list of Oracle table files put into archive-mode is sent to an external file rather than output in the main AzAcSnap log file. The external file is in the same location and basename as the log file, but with a ".protected-tables" extension (output filename detailed in the AzAcSnap log file). It is overwritten each time azacsnap runs.

Jan-2022

AzAcSnap v5.1 Preview (Build: 20220125.85030)

AzAcSnap v5.1 Preview (Build: 20220125.85030) has been released with the following new features:

  • Oracle Database support
  • Backint Co-existence
  • Azure Managed Disk
  • RunBefore and RunAfter capability

Aug-2021

AzAcSnap v5.0.2 (Build: 20210827.19086) - Patch update to v5.0.1

AzAcSnap v5.0.2 (Build: 20210827.19086) is provided as a patch update to the v5.0 branch with the following fixes and improvements:

  • Ignore ssh 255 exit codes. In some cases the ssh command, which is used to communicate with storage on Azure Large Instance, would emit an exit code of 255 when there were no errors or execution failures (refer man ssh "EXIT STATUS") - then AzAcSnap would trap this exit code as a failure and abort. With this update extra verification is done to validate correct execution, this includes parsing ssh STDOUT and STDERR for errors in addition to traditional exit code checks.
  • Fix the installer's check for the location of the hdbuserstore. The installer would check for the existence of an incorrect source directory for the hdbuserstore for the user running the install - this is fixed to check for ~/.hdb. This fix is applicable to systems (for example, Azure Large Instance) where the hdbuserstore was pre-configured for the root user before installing azacsnap.
  • Installer now shows the version it will install/extract (if the installer is run without any arguments).

Download the latest release of the installer and review how to get started.

May-2021

AzAcSnap v5.0.1 (Build: 20210524.14837) - Patch update to v5.0

AzAcSnap v5.0.1 (Build: 20210524.14837) is provided as a patch update to the v5.0 branch with the following fixes and improvements:

  • Improved exit code handling. In some cases AzAcSnap would emit an exit code of 0 (zero), even after an execution failure when the exit code should have been non-zero. Exit codes should now only be zero on successfully running azacsnap to completion and non-zero if there is any failure.
  • AzAcSnap's internal error handling has been extended to capture and emit the exit code of the external commands run by AzAcSnap.

April-2021

AzAcSnap v5.0 (Build: 20210421.6349) - GA Released (21-April-2021)

AzAcSnap v5.0 (Build: 20210421.6349) has been made Generally Available and for this build had the following fixes and improvements:

  • The hdbsql retry timeout (to wait for a response from SAP HANA) is automatically set to half of the "savePointAbortWaitSeconds" to avoid race conditions. The setting for "savePointAbortWaitSeconds" can be modified directly in the JSON configuration file and must be a minimum of 600 seconds.

March-2021

AzAcSnap v5.0 Preview (Build:20210318.30771)

AzAcSnap v5.0 Preview (Build:20210318.30771) has been released with the following fixes and improvements:

  • Removed the need to add the AZACSNAP user into the SAP HANA Tenant DBs, see the Enable communication with database section.
  • Fix to allow a restore with volumes configured with Manual QOS.
  • Added mutex control to throttle SSH connections for Azure Large Instance.
  • Fix installer for handling path names with spaces and other related issues.
  • In preparation for supporting other database servers, changed the optional parameter '--hanasid' to '--dbsid'.

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