✎ [V7] FAQ: How to un-delete backup data that were moved to retention unintentionally [Ahsay Wiki]

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=====[V7] FAQ: How to un-delete backup data that were moved to retention unintentionally =====

<html>
 <b>
  Article ID:
 </b>
 5324
 <br/>
 <b>
  Reviewed:
 </b>
  2021-07-28
 <br/>
 <br/>
 <b>
  Product Version:
 </b>
 <br/>
 AhsayCBS: 7.3.0.0 - 8.1.1.50
 <br/>
 OS: All platforms 
</html>

<html>
<FONT COLOR=red SIZE=+1>
<B>ATTENTION</B>
1st January, 2022: v7 officially End-of-Life [<A HREF=https://wiki.ahsay.com/doku.php?id=public:announcement:ahsay_v7_eol>details</A>]
</FONT>
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===== Description =====
<html>
For backup data that are moved to retention unintentionally (e.g. backup source location (e.g. hard drive / USB drive) disconnected before a sub-sequence backup):

<table border="0" cellpadding="0" cellspacing="0" width="850">
  <tr>
   <td bgcolor="#E8E8E8" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-TOP: #C0C0C0  1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    No.
   </td>
   <td bgcolor="#E8E8E8" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-TOP: #C0C0C0  1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    Type
   </td>
   <td bgcolor="#E8E8E8" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-TOP: #C0C0C0  1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    Timestamp
   </td>
   <td bgcolor="#E8E8E8" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-TOP: #C0C0C0 1px solid; BORDER-RIGHT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    Log
   </td>
  </tr>
  <tr>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    *
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    ...
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    ...
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-RIGHT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    ...
   </td>
  </tr>
  <tr>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    *
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
     <font color=#0040FF>warn</font>
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
     <font color=#0040FF>YYYY/MM/DD
     hh:mm:ss</font>
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-RIGHT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
   <font color=#0040FF>Backup source "%backup_source%" does not exist !</font>
   </td>
  </tr>
  <tr>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    *
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    ...
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="top">
    ...
   </td>
   <td bgcolor="#ffffff" style="BORDER-LEFT: #C0C0C0 1px solid; BORDER-RIGHT: #C0C0C0 1px solid; BORDER-BOTTOM: #C0C0C0 1px solid" valign="middle">
    ...
   </td>
  </tr>
 </table>
Since the AhsayOBM / ACB backup client cannot detect the backup source location, all backup data are detected as deleted data by the AhsayOBM / ACB backup client.
<br>
<br>
This document contains instruction on how to rollback such action (e.g. un-delete the data), so that the data do not need to be re-uploaded after the backup source drive is reconnected.
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===== Steps =====
<html>
The following assumptions are made:
<br>
<ul>
<li><font color=black>Previous backup was performed on March 20, 2018 01:00:00.</font></li>
<li><font color=black>The backup source drive was disconnected before the sub-sequence backup, performed on March 21, 2018 03:00:00.</font></li>
<li><font color=black>Data backup by the previous job to backup destination AhsayCBS were detect and retain as deleted data.</font></li>
<li><font color=black>You want to revert the data snapshot the previous backup on March 20, 2018 01:00:00.</font></li>
</ul>

<font color=red>Important:</font><font color=black> 
<br>
It is recommended to temporarily suspend the backup user to ensure that no backup / restore job is performed during the undelete process.</font>
<br>
<br>
Refer to the following steps to un-delete the data:
<br>
<br>
<ol>
<li><font color=black>On the AhsayCBS web console, obtain the backup set ID of the affected backup set:
<br>
<br>
<ul>
<li><font color=black>Under <b>Backup / Restore</b>, select <b>Users, Groups & Policies</b>.</font></li>
<li><font color=black>Select <b>Backup User</b>, and the corresponding backup user, then <b>Backup Set</b>. </font></li> 
<li><font color=black>Select the affected backup set under <b>Manage Backup Set</b>, the backup set ID is listed under <b>General</b></font>
<br>
<br>
</li>
<img style="width:58%; border:thin solid black" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:obtain_backupset_id.png"/>
</ul>
</li>
<br>

<li><font color=black>From the backup destination (e.g. AhsayCBS), browse to the <b>blocks</b> folder where the backup data are stored at:
<br>
<br>
%backup_destination%\%backupset_id%\blocks 
<br>
<br>
<u>For example</u>
<br>
For backup destination set to AhsayCBS
<br>
<br>
C:\UserHome\Username\1517279516004\blocks
<br>
<br>
<img style="width:68%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:undelete_1.png"/>
<br>
<br>
Note:
<br>
A separate folder is created for each backup job according to its start time (YYYY-MM-DD-hh-mm-ss), under the <b>blocks</b> folder. &nbsp;All files backed up by that job are stored in that particular folder. 
</li>
<br>

<li><font color=black>Remove (or move to another location) all index files in the <b>blocks</b> folder:
<br>
<br>
<ul>
<li><font color=black>%backup_destination%\%backupset_id%\blocks\<font color=red>index.b2b.*.cgz</font></font></li>
<li><font color=black>%backup_destination%\%backupset_id%\blocks\<font color=red>index.xml.*.cgz</font></font></li>
<li><font color=black>%backup_destination%\%backupset_id%\blocks\<font color=red>index-s0*.cgz</font></font></li>
</ul>
<br>
<img style="width:68%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:undelete_2.png"/>
</li>
<br>

<li><font color=black>Copy the index files from a previous backup job folder (the backup snapshot (YYYY-MM-DD-hh-mm-ss) which you would like to revert to), back to the <b>blocks</b> folder.
<br>
<br>
<u>For example</u>
<br>
To revert the backup snapshot to the backup on March 20, 2018 01:00:00, browse to 
<br>
<br>
C:\UserHome\Username\1517279516004\blocks\<font color=red>2018-03-20-01-00-00</font>
<br>
<br>
Copy
<br>
<br>
C:\UserHome\Username\1517279516004\blocks\<font color=red>2018-03-20-01-00-00</font>\index.b2b.*.cgz<br>
C:\UserHome\Username\1517279516004\blocks\<font color=red>2018-03-20-01-00-00</font>\index.xml.*.cgz<br>
C:\UserHome\Username\1517279516004\blocks\<font color=red>2018-03-20-01-00-00</font>\index-s0*.cgz
<br>
<br>
To
<br>
<br>
C:\UserHome\Username\1517279516004\blocks\index.b2b.*.cgz<br>
C:\UserHome\Username\1517279516004\blocks\index.xml.*.cgz<br>
C:\UserHome\Username\1517279516004\blocks\index-s0*.cgz
<br>
<br>
<img style="width:95%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:undelete_3.png"/>
<br>
<br>
<font color=red>Important:</font>
<br>
Once the backup snapshot is reverted, data backup by the latest backup (or sub-sequence backup after the snapshot which you have reverted to) will not be displayed in the restore menu.
</font>
</li>
<br>


<li><font color=black>Ensure that the issue to the backup source drive is resolved, then perform another backup job afterward.
</font>
</li>





</ol>
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===== Keywords =====
snapshot, undelete, undeleting, revert, disconnect
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