✎ Frequently Asked Questions about Ahsay Cloud Backup Suite 9 [Ahsay Wiki]

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 =====  Frequently Asked Questions about Ahsay Cloud Backup Suite 9   =====

<html>
 <b>
  Article ID:
 </b>
 0
 <br/>
 <b>
  Reviewed:
 </b>
 2022-02-28
 <br/>
 <br/>
 <b>
  Product Version:
 </b>
 <br/>
 Ahsay Software: 9.1 to 9.x
 <br/>
 OS: All platforms
</html>

===== Description =====
The following are some Frequently Asked Questions on Ahsay Cloud Backup Suite.

<html>You may reference the <A HREF=https://download.ahsay.com/support/document/v9/datasheet_cbs_new_features_v9.pdf>AhsayCBS v9 Datasheet</A> and the <A HREF=https://wiki.ahsay.com/doku.php?id=public:version_9:start_here:2_releasenotes>Ahsay v9 Release Notes </A> for additional details.
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<html>
<!--
 <b>Table of Contents</b>:
 <ol>
  <li><font color=black>
   <a href="#Which%20cloud%20storage%20services%20are%20supported%20by%20AhsayCBS%20(Cloud%20Backup%20Suite)?">
    Which cloud storage services are supported by AhsayCBS (Cloud Backup Suite)?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#How%20do%20I%20perform%20a%20backup%20to%20a%20local%20destination%20then%20import%20the%20data%20onto%20a%20cloud%20storage%20destination%20(e.g.%20seed%20load)?">
    How do I perform a backup to a local destination then import the data onto a cloud storage destination (e.g. seed load)?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#How%20do%20I%20start%20AhsayOBM%20in%2032bit%20mode%20(to%20create%20an%20Exchange%20mail%20level%20backup%20set%20or%20to%20start%20a%20mail%20level%20backup%20job)?">
    How do I start AhsayOBM in 32bit mode (to create an Exchange mail level backup set or to start a mail level backup job)?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#How%20do%20I%20start%20a%20data%20integrity%20check%20for%20backup%20data%20stored%20in%20the%20backup%20destination?">
    How do I start a data integrity check for backup data stored in the backup destination?
   </a>
   <br/>
  </font></li>

< !--
  <li><font color=black>
   <a href="#Backup%20account%20profiles%20are%20stored%20in%20a%20new%20format,%20can%20you%20explain%20on%20the%20new%20changes?">
    Backup account profiles are stored in a new format, can you explain on the new changes?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Backup%20data%20are%20stored%20in%20new%20structure,%20can%20you%20explain%20on%20the%20new%20changes?">
    Backup data are stored in new structure, can you explain on the new changes?
   </a>
   <br/>
  </font></li>
- ->


  <li><font color=black>
   <a href="#Can%20backup%20accounts%20of%20version%206.x%20be%20migrated%20to%20version%208%20or%20above?">
    Can backup accounts of version 6.x be migrated to version 9.1 or above?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Which%20version%20of%20Java%20is%20bundled%20with%20AhsayCBS%20(Cloud%20Backup%20Suite)?">
    Which version of Java is bundled with AhsayCBS (Cloud Backup Suite)?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Cannot%20install%20AhsayACB%20on%20a%20Windows%20server%20operating%20system,%20why?">
    Cannot install AhsayACB on a Windows server operating system, why?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Can%20I%20create%20multiple%20backup%20sets%20for%20my%20AhsayACB%20account?">
    Can I create multiple backup sets for my AhsayACB account?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Retained%20data%20are%20not%20cleared%20according%20to%20the%20retention%20policy%20configured?">
    Retained data are not cleared according to the retention policy configured?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Can%20I%20deploy%20an%20unofficial%20hotfix%20or%20a%20custom%20version%20to%20AhsayOBM%20/%20ACB%20clients%20using%20the%20Auto%20Update%20Agent%20(AUA)?">
    Can I deploy an unofficial hotfix or a custom version to AhsayOBM / ACB clients using the Auto Update Agent (AUA)?
   </a>
   <br/>
  </font></li>
  <li><font color=black>
   <a href="#Can%20I%20modify%20settings%20of%20the%20system%20routine%20jobs%20(e.g.%20enable%20/%20disable,%20start%20time,%20job%20specific%20settings)?">
    Can I modify settings of the system routine jobs (e.g. enable / disable, start time, job specific settings)?
   </a>
  </font></li>
 </ol>
<br>

 <ol>
  <li><font color=black>
   <b>
    <a name="Which%20cloud%20storage%20services%20are%20supported%20by%20AhsayCBS%20(Cloud%20Backup%20Suite)?">
     Which cloud storage services are supported by AhsayCBS (Cloud Backup Suite)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) Refer to the following KB articles for the list of cloud storage services are supported by AhsayCBS:
   <br/>
   <br/>
   <a href="http://wiki.ahsay.com/doku.php?id=public:9001_faq:ahsay_software_compatibility_list_scl_for_version_9.1_or_above#Supported%20Cloud%20Storage%20for%20Cloud%20File%20Backups">
   FAQ: Ahsay Software Compatibility List (SCL) for version 9.1 or above
   </a>
   <br>
   <br>
  </font></li>
   <br/>
  <li><font color=black>
   <b>
    <a name="How%20do%20I%20perform%20a%20backup%20to%20a%20local%20destination%20then%20import%20the%20data%20onto%20a%20cloud%20storage%20destination%20(e.g.%20seed%20load)?">
     How do I perform a backup to a local destination then import the data onto a cloud storage destination (e.g. seed load)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) Refer to the following KB articles for detail instruction:
   <br/>
   <br/>
   <a href="http://wiki.ahsay.com/doku.php?id=public:8021_faq:how_to_seedload_to_a_cloud_destination">
   FAQ: How to perform backup to a local destination then import the data to a cloud storage destination?
   </a>
   <br/>
   <br/>
  </font></li>
   <br/>
  <li><font color=black>
   <b>
    <a name="How%20do%20I%20start%20AhsayOBM%20in%2032bit%20mode%20(to%20create%20an%20Exchange%20mail%20level%20backup%20set%20or%20to%20start%20a%20mail%20level%20backup%20job)?">
     How do I start AhsayOBM in 32bit mode (to create an Exchange mail level backup set or to start a mail level backup job)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) You can simply start AhsayOBM as you would normally (e.g. double-clicking on the desktop icon or the system tray icon), when creating a MS Exchange mail level backup set or performing a manual MS Exchange mail level backup job.
   <br/>
   <br/>
  </font></li>
  <br>
  <li><font color=black>
   <b>
    <a name="How%20do%20I%20start%20a%20data%20integrity%20check%20for%20backup%20data%20stored%20in%20the%20backup%20destination?">
     How do I start a data integrity check for backup data stored in the backup destination?
    </a>
   </b>
   <br/>
   <br/>
   Answer) A data integrity check can only be started via the client application. Please refer to the following KB articles for details:
   <br/>
   <br/>
   <a href="http://wiki.ahsay.com/doku.php?id=public:8004_faq:how_to_run_a_data_integrity_check">FAQ: How to run a Data Integrity Check for backup data stored in backup destination?</a>
   <br>
   <a href="http://wiki.ahsay.com/doku.php?id=public:8008_faq:how_to_run_a_data_integrity_check_on_linux_cli">FAQ: How to run a Data Integrity Check on Linux (CLI) machine?</a>
   <br/>
   <br/>
  </font></li>
  <br>


< !-- 
  <li><font color=black>
   <b>
    <a name="Backup%20account%20profiles%20are%20stored%20in%20a%20new%20format,%20can%20you%20explain%20on%20the%20new%20changes?">
     Backup account profiles are stored in a new format, can you explain on the new changes?
    </a>
   </b>
   <br/>
   <br/>
   Answer) For older version of AhsayOBS such as version 6, user profile of each backup account is saved individually within the user home path of each account.
   <br/>
   <br/>
   <b>
    <u>
     Ahsay Online Backup Suite 6:
    </b>
   </u>
   <br/>
   On the backup server:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %Userhome%\username\db\Profile.xml
     <br>
     <br>
    </font></li>
   </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_0.png"/> 
   <br/>
   <br/>
   On the client computer, the local profile is saved as Profile.sys file within the .obm / .acb config folder at:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     ...\.obm\config\Profile.sys
     <br>
     <br>
    </font></li>
   </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_1.png"/>    
   <br/>
   <br/>
   <b>
    <u>
     Ahsay Cloud Backup Suite 9:
    </b>
   </u>
   <br/>
   For AhsayCBS v7/v8/v9, user profiles of <u>all</u> backup accounts are saved in a <u>single</u> users.xml file on the backup server at:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %Installhome%\conf\users.xml
     <br>
     <br>
    </font></li>
   </ul>  
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_2.png"/>  
   <br/>
   <br/>
   This file contains the settings of <u>all</u> backup accounts, as well as settings of <u>all</u> backup sets.<br><br>

   On the client computer, the local profile is saved as settings.sys file within the .obm / .acb config folder at:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     ...\.obm\config\settings.sys
     <br>
     <br>
    </font></li>
   </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_3.png"/>
   <br/>
   <br/>
   This file contain information of the corresponding backup account, backup sets' setting, and most importantly, the encryption setting of all backup sets.
   <br/>
   <br/>
  </font></li>
  <br>
  <li><font color=black>
   <b>
    <a name="Backup%20data%20are%20stored%20in%20new%20structure,%20can%20you%20explain%20on%20the%20new%20changes?">
     Backup data are stored in new structure, can you explain on the new changes?
    </a>
   </b>
   <br/>
   <br/>
   Answer) Compared to older version of AhsayCBS such as version 6, the indexing and file structure of backup data are enhanced.
   <br/>
   <br/>
   <b>
    <u>
     Ahsay Online Backup Suite 6:
    </u>
   </b>
   <br/>
   For older version of Ahsay software, users' settings (username, password, quota), backup sets' settings, as well as backup data are stored in 2 main folders (the 'db' and 'files' folder) within the backup destination (e.g. user home, local copy destination) of each backup account:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%username%\db
    </font></li>
    <li><font color=black>
     %backup_destination%\%username%\files
    </font></li>
    <br>
    <br>
    </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_4.png"/>
   <br/>
   <br/>
   User account and its backup sets' info are stored within the 'db' folder (as Profile.xml), while backup data are stored within the 'files' folder in the following format:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%username%\files\%backupset_id%\
    </font></li>
    <br>
   </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_5.png"/>
   <br/>
   <br/>
   Backup data are indexed by these 2 files, regardless of the backup data size. The index.bdb file for indexing of data within the current area, and the r-index.bdb file for indexing of data within the retention area:
   <br>
   <br>
   <ul>
    <li><font color=black>
     %backup_destination%\%username%\files\%backupset_id%\index.bdb
    </font></li>
    <li><font color=black>
     %backup_destination%\%username%\files\%backupset_id%\r-index.bdb
    </font></li>
    <br>
   </ul>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_6.png"/>
   <br>
   <br>
   Disadvantage of such indexing system is that, as all data of each account are indexed with only 2 files, the possibility of multiple processes (e.g. replication, rebuild, backup, restore) accessing the same index file increase.
   <br>
   <br>
   Another disadvantage of the previous file structure is that, backup data are stored in a "1 to 1" format, each file is uploaded and saved as individual file within the backup destination in hashed format, regardless of the size of the file:
   <br>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_7.png"/>
   <br/>
   <br/>
   This can potentially be a problem for backup set with a huge number of files, as each file is compressed, encrypted, and uploaded individually (even for a tiny file), creating a huge overhead, that slow down a backup significantly.
   <br/>
   <br/>
   <b>
    <u>
     Ahsay Cloud Backup Suite 9:
    </u>
   </b>
   <br/>
   Changes were made to the file structure in an attempt to improve the backup and restore performance.
   <br/>
   <br/>
   For AhsayCBS v7/v8/v9, multiple folders reside under the user home:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %Userhome%\%username%\db
    </font></li>
    <li><font color=black>
     %Userhome%\%username%\files
    </font></li>
    <li><font color=black>
     %Userhome%\%username%\%backupset_1_id%
    </font></li>
    <li><font color=black>
     %Userhome%\%username%\%backupset_2_id%
    </font></li>
    <li><font color=black>
     %Userhome%\%username%\%backupset_3_id%
    </font></li>
    <li><font color=black>
     ...
    </font></li>
   </ul>
   <br>
 <img style="width:35%; border:thin solid black" 
src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_8.png"/>
   <br/>
   <br/>
   Accounts' setting and backup sets' setting are no longer saved within each account's user home path (e.g. as 'Profile.xml' in previous version).  They are now saved in a single location within AhsayOBS's installation directory (refer to the previous Q &amp; A for details).  Only user logs, backup client logs, backup reports, and other individual account's information, such as account storage logs are saved within the 'db' folder.
   <br/>
   <br/>
   Information on backup sets' type (e.g. file, system state type ... etc.) are saved under the 'files' folder within each backup set's respective backup set ID folder, in the 'info.xml' file.
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %Userhome%\%username%\files\%backupset_id%\info.xml
    </font></li>
   </ul>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_9.png"/>
   <br/>
   <br/>
   Backup data and encryption settings of a backup set are now stored within the corresponding backup set ID folder:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\settings
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\Snapshots
    </font></li>
   </ul>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_10.png"/>
   <br/>
   <br/>
   Note:
   <br/>
   %backup_destination% can be AhsayOBS server's user home, a local storage, or a cloud storage destination.
   <br/>
   <br/>
   The 'blocks' folder contain backed up data of the backup set:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\0
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\1
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\2
    </font></li>
    <li><font color=black>
     ...
    </font></li>
   </ul>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_11.png"/>
   <br/>
   <br/>
   A new folder is created for each backup job according to its start time (YYYY-MM-DD-hh-mm-ss), under the 'blocks' folder.  All files backed up by that job will be stored under that particular folder.
   <br/>
   <br/>
   For changes that occurs on the client computer (e.g. moved files, updated files), files are not moved within the backup destination (e.g. AhsayOBS, local destination, cloud service destination) across different directories, across the 'Current' and 'Retention' directories as in the previous file structure.  Instead, the index files would be updated to reflect the changes, reducing the I/O operation on the backup destination.
   <br/>
   <br/>
   Backup data are indexed with the following files (compressed):
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\index.<font color=#FF0000>b2b</font>.*.cgz</font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\index.<font color=#FF0000>xml</font>.*.cgz</font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\index-<font color=#FF0000>s0</font>*.cgz</font></li>
   </ul>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_12.png"/>
   <br/>
   <br/>
   Where:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     index.<font color=#FF0000>b2b</font>.*.cgz is the actual index file
    </font></li>
    <li><font color=black>
     index.<font color=#FF0000>xml</font>.*.cgz is a file containing information of the index file
    </font></li>
    <li><font color=black>
     index-<font color=#FF0000>s0</font>*.cgz is a temporary file
    </font></li>
    <br>
   </ul>
   Data uploaded by the backup client to the backup destination are stored in the following format:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\0\000000.bak
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\0\000000_000001.bak
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\0\000000_000002.bak
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\0\000000_000003.bak
    </font></li>
    <li><font color=black>
     ...
     <br/>
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\1\010000.bak
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\1\010000_000001.bak
    </font></li>
    <li><font color=black>
     %backup_destination%\%backupset_id%\blocks\YYYY-MM-DD-hh-mm-ss\1\010000_000002.bak
    </font></li>
    <li><font color=black>
     ...
    </font></li>
   </ul>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_13.png"/>
   <br/>
   <br/>
   When the number of block files within '0' reaches 8192, a new folder is created (folder name increment of 1), restricting the maximum number of files within each folder.
   <br/>
   <br/>
   Regarding the structure of:
   <br/>
   <br/>
   000000.bak
   <br/>
   000000_000001.bak
   <br/>
   000000_000002.bak
   <br/>
   000000_000003.bak
   <br/>
   ...
   <br/>
   000001.bak
   <br/>
   000002.bak
   <br/>
   ...
   <br/>
   <br/>
   Source files that are <u>16 MB or smaller</u> are 'combined' into a single 16 MB 'block' file before they are transferred to the backup destination (e.g. AhsayOBS, local destination, cloud service destination), reducing the overhead during the upload.
   <br/>
   <br/>
   This also reduces the number of files in the backup destination.
   <br/>
   <br/>
   Source files that are <u>larger than</u> 16 MB will be split up into multiple 32 MB 'block' files when transferred to the backup destination.
   <br/>
   <br/>
   For example, a file with size of 100 MB would be split up into 4 'block' files:
   <br/>
   <br/>
   000000.bak - 32 MB
   <br/>
   000000_000001.bak - 32 MB
   <br/>
   000000_000002.bak - 32 MB
   <br/>
   000000_000003.bak - 4 MB
   <br/>
   <br/>
   Note:
   <br/>
   For AhsayOBM installation on NAS
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     Source files that are <u>8 MB or smaller</u> are 'combined' into a single 8 MB 'block' file when they are transferred to the backup destination
     <br/>
    </font></li>
    <li><font color=black>
     Source files that are <u>larger than</u> 8 MB will be split up into multiple 8 MB 'block' files when they are transferred to the backup destination
    </font></li>
   </ul>
   <br/>
   An advantage of this design is that, for an upload that was interrupted by temporarily network issue, only the individual 'block' file would be re-uploaded (block which failed to upload), instead of the entire file.
   <br/>
   <br/>
   The 'settings' folder contain the encryption settings of the backup set (if the Encryption Recovery option is enabled by the backup user).
   <br>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_14.png"/>
   <br/>
   <br/>
   While, the 'Snapshots' folder is there for the replication module.
   If replication is enabled, during RESYNC or REPLAY mode, changes to the account will be saved in the 'Snapshots' folder, to be replicated.
   <br/>
   <br/>
  </font></li>
- ->


  <br>
  <li><font color=black>
   <b>
    <a name="Can%20backup%20accounts%20of%20version%206.x%20be%20migrated%20to%20version%208%20or%20above?">
     Can backup accounts of version 6.x be migrated to version 9.1 or above?
    </a>
   </b>
   <br/>
   <br/>
   Answer) AhsayCBS version 9 support migration of version 6 backup accounts and backup set, version 6 AhsayOBM / AhsayACB clients can still connects to version 9 AhsayCBS for backup (only best effort support).
   <br/>
   <br/>
   The data structure of existing backed up can be migrated to the file format of AhsayCBS version 9.

   <br>
   <br>
   <br>
  </font></li>
  <li><font color=black>
   <b>
    <a name="Which%20version%20of%20Java%20is%20bundled%20with%20AhsayCBS%20(Cloud%20Backup%20Suite)?">
     Which version of Java is bundled with AhsayCBS (Cloud Backup Suite)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) AhsayCBS is bundled with OpenJDK version 1.8_181-13.
   <br/>
< !--
      <img style="width:75%; src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_15.png"/>
- ->
   <br/>
   <br/>
  </font></li>
  <li><font color=black>
   <b>
    <a name="Cannot%20install%20AhsayACB%20on%20a%20Windows%20server%20operating%20system,%20why?">
     Cannot install AhsayACB on a Windows server operating system, why?
    </a>
   </b>
   <br/>
   <br/>
   Answer) AhsayACB can only be installed on Windows 'desktop' operating system, such as Windows Vista, 7, 8.1, 10 ... etc.
   <br/>
   <br/>
   The following error message will be displayed when installing AhsayACB on a Windows server operating system, such as Windows Server 2008/2012/2016/2019/2022:
   <br>
   <br>
      <img style="width:35%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_16.png"/>
   <br/>
   <br/>
   Note:
   <br/>
   This is a limitation for AhsayACB installation on Windows, you can still AhsayACB on a Mac OS X computer. Refer to the following KB article for the list of supported OS platforms:
   <br/>
   <br/>
   <a href="http://wiki.ahsay.com/doku.php?id=public:9001_faq:ahsay_software_compatibility_list_scl_for_version_9.1_or_above">FAQ: Ahsay Software Compatibility List (SCL) for version 9.1 or above</a>
   <br/>
   <br/>
  </font></li>
  <br>
  <li><font color=black>
   <b>
    <a name="Can%20I%20create%20multiple%20backup%20sets%20for%20my%20AhsayACB%20account?">
     Can I create multiple backup sets for my AhsayACB account?
    </a>
   </b>
   <br/>
   <br/>
   Answer) Yes, you can create multiple backup sets for your AhsayACB account. Further to a file type backup set, you can also create an IBM Lotus Notes backup set and a MS Windows System backup set:
   <br>
   <br>
      <img style="width:65%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_17.png"/>
   <br>
   <br>
   <br>
  </font></li>
  <li><font color=black>
   <b>
    <a name="Retained%20data%20are%20not%20cleared%20according%20to%20the%20retention%20policy%20configured?">
     Retained data are not cleared according to the retention policy configured?
    </a>
   </b>
   <br/>
   <br/>
   Answer) Retained data within the backup destination are not cleared because the retention policy job is not enabled for the backup set.
   <br/>
   <br/>
   For AhsayOBM / ACB version 9, the retention policy job (job for clearing retained data) is now enabled via the AhsayOBM / ACB client application.
   <br/>
   <br/>
   You can enable this job via the client user interface with the following steps:
   <br/>
   <br/>
   For the retention policy job to start after a manual backup job:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     Login to the client user interface, select 'Backup'.
    </font></li>
    <li><font color=black>
     Select the corresponding backup set, then select 'Show advanced options'.
    </font></li>
    <li><font color=black>
     Under Retention Policy, enable the checkbox 'Run Retention Policy after backup'.
    </font></li>
    <br>
   </ul>
      <img style="width:65%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_18.png"/>
   <br/>
   <br/>
   For the retention policy job to start after a scheduled backup:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     Login to the client user interface, select 'Backup Sets'.
    </font></li>
    <li><font color=black>
     Select the corresponding backup set, then select 'Backup Schedule'.
    </font></li>
    <li><font color=black>
     Configure the existing schedule, or create a new backup schedule, enable the checkbox 'Run Retention Policy after backup'.
    </font></li>
    <br>
   </ul>
      <img style="width:65%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_19.png"/>
   <br/>
   <br/>
   The retention policy job will be performed when the manual or a scheduled backup job is completed.
   <br/>
   <br/>
   You can also manually start the retention policy job within the client interface:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     Login to the client user interface, select 'Utilities'.
    </font></li>
    <li><font color=black>
     Select the corresponding backup set, then select the backup destination location (e.g. OBS, local storage).
    </font></li>
    <li><font color=black>
     Click the 'Start' button to start the retention policy job.
    </font></li>
    <br>
   </ul>
      <img style="width:65%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:5005_20.png"/>
   <br/>
   <br/>
   <br/>
  </font></li>
  <li><font color=black>
   <b>
    <a name="Can%20I%20deploy%20an%20unofficial%20hotfix%20or%20a%20custom%20version%20to%20AhsayOBM%20/%20ACB%20clients%20using%20the%20Auto%20Update%20Agent%20(AUA)?">
     Can I deploy an unofficial hotfix or a custom version to AhsayOBM / ACB clients using the Auto Update Agent (AUA)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) No, it is not possible to deploy an unofficial hotfix or a custom version to AhsayOBM / ACB clients with AUA.
   <br/>
   <br/>
  </font></li>
  <br>
  <li><font color=black>
   <b>
    <a name="Can%20I%20modify%20settings%20of%20the%20system%20routine%20jobs%20(e.g.%20enable%20/%20disable,%20start%20time,%20job%20specific%20settings)?">
     Can I modify settings of the system routine jobs (e.g. enable / disable, start time, job specific settings)?
    </a>
   </b>
   <br/>
   <br/>
   Answer) No, it is not possible to modify settings of any system routine jobs. All system routine jobs are performed according to their schedules and cannot be disabled.
   <br/>
   <br/>
   There are 3 types of system routine jobs:
   <br/>
   <br/>
   <ul>
    <li><font color=black>
     <b>
      <u>Quarter Hourly Jobs</u></b> (jobs that are performed at 0, 15, 30, 45 minutes of every hour). These jobs are performed in the following order:
     <br/>
     <br/>
     <ul>
      <li><font color=black>
       <b>
        Run Backup Check
       </b>
       <br/>
       System job to check on backup set triggered to start.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Low Disk Space
       </b>
       <br/>
       System job sending low disk space reminder to administrator ( when free space on the System Home, User Home, Receivers' System Home, Receivers' User Home is &lt; 80% )
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Restore Job Report
       </b>
       <br/>
       System job sending restore job report to users with restore job completed in the past 15 minutes.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Storage Logging
       </b>
       <br/>
       System job logging storage usage statistic.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Low Destination Space Reminder
       </b>
       <br/>
       System job for sending low disk space reminder to administrator ( when free space on any predefined destination is &lt; 80% )
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Setting Change Report
       </b>
       <br/>
       System job sending setting change report to user.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Backup Job Report
       </b>
       <br/>
       System job sending backup job report to users with backup job completed in the past 15 minutes.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Inactive User Report
       </b>
       <br/>
       System job for sending inactive user report to administrator.
      </font></li>
     </ul>
     <br/>
    </font></li>
    <li><font color=black>
     <b><u>Hourly Jobs</u></b> (jobs that are performed every hour). These jobs are performed in the following order:
     <br/>
     <br/>
     <ul>
      <li><font color=black>
       <b>
        Backup Job Reminder Report
       </b>
       <br/>
       System job sending missed backup job reminder to user.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        RDR License Check
       </b>
       <br/>
       System job performing license check (for the redirector module).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        License Expiry Check
       </b>
       <br/>
       System job performing license expiration check.
      </font></li>
     </ul>
     <br/>
    </font></li>
    <li><font color=black>
     <b><u>Daily Jobs</u></b> (jobs that are performed daily). These jobs are performed at 06:00 daily in the following order:
     <br/>
     <br/>
     <ul>
      <li><font color=black>
       <b>
        Upload User Usage
       </b>
       <br/>
       System job sending account usage of the backup server to the license server.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        RDR Upload User Usage
       </b>
       <br/>
       System job sending account usage to the license server (for the redirector module).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        RDR Monthly License Usage
       </b>
       <br/>
       System job sending monthly meter license usage to the license server (for the redirector module).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Monthly License Usage
       </b>
       <br/>
       System job sending monthly meter license usage to the license server.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Auto Save
       </b>
       <br/>
       System job sending server's configuration settings and user profiles to Ahsay.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        System Log Removal
       </b>
       <br/>
       System job removing obsoleted system log ( logs &gt; 365 days ).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Remove Trial User
       </b>
       <br/>
       System job removing expired trial users.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Disable Trial User
       </b>
       <br/>
       System job suspending expired trial users.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        RPS Retention Policy
       </b>
       <br/>
       System job removing obsolete files from the retention area based on the retention policy setting (for the replication module).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        RPS CRC Check
       </b>
       <br/>
       System job performing Cyclic Redundancy Check (CRC) of replicated files.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Retention Policy
       </b>
       <br/>
       System job removing obsolete files from the retention area for all users based on each backup sets' retention policy setting.
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Backup Quota Reminder Report
       </b>
       <br/>
       System job sending quota reminder to user close to exceeding quota limit ( when free quota is &lt; 20% ).
       <br/>
       <br/>
      </font></li>
      <li><font color=black>
       <b>
        Trial User Reminder
       </b>
       <br/>
       System job sending reminder to trial user with trial period about to be expired ( when trial period expired in &lt; 7 days ).
      </font></li>
     </ul>
    </font></li>
   </ul>
  </font></li>
 </ol>

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===== Keywords =====
CBS, faq, deduplication, java, retention, import, structure, version, 9, apache
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