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Data recovery in Kerio Connect

Recovering data from backup

To recover the backup data, use a special tool, Kerio Connect Recover. The tool extracts the backed-up data and saves the data in their original locations.

To launch the Kerio Connect Recover tool:

  1. Stop Kerio Connect.
  2. Go to the Kerio Connect installation directory.
  3. Run the following command from the directory:

kmsrecover [advanced options] <directory_name>|<file_name> .

For Mac OS X and Linux, if the path to the Kerio Connect installation directory is included in the path variable, use:

./kmsrecover [advanced options] <directory_name>|<file_name>

NOTE

If you don't specify any advanced options, all items in the Kerio Connect's data store are overwritten.

  1. To see details and example of individual options, run:

kmsrecover -h or, kmsrecover --help

Advanced options of Kerio Connect Recover

Abbreviation Full option Mask Description
-d --domain Recovers (or lists with parameter -l) all backed-up data for the specified domain..
-u --user Recovers (or lists with parameter -l) data of the specified user.
-f --folder Recovers the specified folder of the user (requires setting of the -d and -u options).
-s --store Sets where SpamAssassin databases, mailing lists and emails (including events, notes, contacts, and so on) are unpacked and stored. By default, the store folder in the Kerio Connect installation directory is used.
-c --cfgdir Sets a directory for configuration files, SSLSecure Sockets Layer - A protocol that ensures integral and secure communication between networks. certificates and licenses. By default, the installation directory is used.
-m --mask Specifies which parts of the backup will be recovered. You must set the value of the mask with -m <value> or --mask=<value>. Example: -m cfg,license,sslca,sslcert. See the table below for values.
cfg This argument recovers only configuration files mailserver.cfg and users.cfg.
mail Recovers only the \store\mail directory.
lists Recovers only the configuration of mailing lists, the \store\lists directory.
spamassassin Recovers only the SpamAssassin database.
license Recovers the Kerio Connect license.
sslca Recovers SSL certificates issued by certification authorities.
sslcert Recovers the Kerio Connect certificates.
public Recovers public folders.
-b --backup Performs an additional back-up before the recovery stars. The original directory will have the BAK extension. If such file already exists, it is replaced by the new version. Verify that you have enough free disk space available, as this backup doubles the store size.
-g --noprogress Hides information about the recovery progress. (Recommended if the recovery is recorded in the log.)
-l --listing Lists the backup store content. You can also use additional parameters, such as -d and -u, which list only specific content.
-q --quiet Hides the recovery progress information in the command line.
-v --verbose Displays the recovery progress information in the command line.
-h --help Prints out the help file.

Backup files

File names

Each backup archive (ZIP) file name consists of the backup type abbreviation and the date when it was created:

Backup type Abbreviation Backup File name example
Full backup F

F20120118T220007Z.zip

The file name is interpreted as follows:

  • F — full backup
  • 2012 — year
  • 01 — month
  • 18 — day
  • T220007Z — GMT timestamp (22:00:07); always starts with T and ends with Z.
Differential backup D

D20120106T220006Z.zip

The file name is interpreted as follows:

  • D — differential backup
  • 2012 — year
  • 01 — month
  • 06 — day
  • T220006Z — GMT timestamp (22:00:06); always starts with T and ends with Z.
Backup copy/Manual backup C

C20120117T084217Z.zip

The file name is interpreted as follows:

  • C - Backup copy or Manual backup
  • 2012 — year
  • 01 — month
  • 17 — day
  • T084217Z — GMT timestamp (08:42:17); always starts with T and ends with Z.

File content

Each backup archive (ZIP) file includes the following files and directories:

File/Directory name Description
.version.txt

This file is created at the start of the backup process and includes the following information:
@backup

This is the main directory of the backup and includes the following items:

  • license — License backup.
  • sslca — Backup of certificates of certification authorities.
  • sslcert — Backup of Kerio Connect's SSL certificates.
  • store — Backup of the data store
mailserver.cfg This file stores Kerio Connect configuration that includes all settings done in the administration interface.
users.cfg This file contains all users and their parameters as set in the Kerio Connect's administration interface.
.summary.txt

This file is created at the end of the backup creation process and includes the following information:

  • started — Time the backup started (YYYY-MM-DD hh:mm:ss).
  • finished — Time the backup ended YYYY-MM-DD hh:mm:ss.
  • count_files — Number of backed-up files.
  • total_size — Total size of the files (in bytes) which are backed-up between the creation of files .version.txt and .summary.txt.
  • duration — Total time of the backup creation process (hh:mm:ss:msms).

For more information refer to Examples of data recovery in Kerio Connect.

If any problem with backups occurs, consult the Debug log (Right-click the Debug log area, click Messages, and select the Store Backup option).

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