diff --git a/src/warden-server/doc/README b/src/warden-server/doc/README
index 059924d0c27e1fb6c06855dc564395c47aa3bea8..85cbdb54018228df4dba8528bd052e01f2a72523 100644
--- a/src/warden-server/doc/README
+++ b/src/warden-server/doc/README
@@ -45,7 +45,7 @@ A. Overall Information
 	UNINSTALL
 	UPDATE
 	warden.mysql
-	warden20to21.patch
+	warden21to22.patch
       etc/
 	package_version
         warden-apache.conf
@@ -226,7 +226,7 @@ C. Installation
 --------------------------------------------------------------------------------
 D. Update
 
-For update of the Warden server package from local machine use update.sh.
+ For update of the Warden server package from local machine use update.sh.
   
  Default destination directory is /opt/warden-server/.
     
diff --git a/src/warden-server/doc/UPDATE b/src/warden-server/doc/UPDATE
index c9ce426ac2998573d0a82265d28b5426a277b9fd..e6dbefe32d615d027434bcc648a2eb49a954bea4 100644
--- a/src/warden-server/doc/UPDATE
+++ b/src/warden-server/doc/UPDATE
@@ -32,9 +32,14 @@ B. Update steps
 C. Post-update steps
 --------------------
 
-1) Update Warden server database
+1) Upgrade Warden server database
+
+	$ mysql -u <user> -h localhost -p <password> < {warden-server_path}/doc/warden21to22.patch
+
+
+ATTENTION: Running of the database update script may take a long time (in minutes - depending on the size of the database).
+During this process the database will be not available!
 
-	$ mysql -u <user> -h localhost -p <password> < {warden-server_path}/doc/warden20to21.patch
 
 
 2) Restart Apache server
diff --git a/src/warden-server/doc/warden.mysql b/src/warden-server/doc/warden.mysql
index 48a298232103f71148c97a8b8ecd3f43bc7b4af3..9fe1a5a49fb6138e56e3980881f86c9510528842 100644
--- a/src/warden-server/doc/warden.mysql
+++ b/src/warden-server/doc/warden.mysql
@@ -41,6 +41,10 @@ CREATE TABLE `clients` (
   `receive_own_events` varchar(1) default NULL,
   `description_tags` varchar(256) default NULL,
   `ip_net_client` varchar(256) default NULL,
+<<<<<<< HEAD
+=======
+  `valid` varchar(1) default 't',
+>>>>>>> warden-server-2.2
   PRIMARY KEY  (`client_id`)
 ) ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
 SET character_set_client = @saved_cs_client;
@@ -67,8 +71,17 @@ CREATE TABLE `events` (
   `note` text,
   `priority` int(1) unsigned default NULL,
   `timeout` int(2) unsigned default NULL,
+<<<<<<< HEAD
   `valid` varchar(1) default NULL,
   PRIMARY KEY  (`id`)
+=======
+  `valid` varchar(1) default 't',
+  `client_id` int(11) default NULL,
+  PRIMARY KEY  (`id`),
+  KEY `idx_events_type_valid` (`type`,`valid`),
+  KEY `idx_events_client_id` (`client_id`),
+  KEY `idx_events_detected` (`detected`)
+>>>>>>> warden-server-2.2
 ) ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
 SET character_set_client = @saved_cs_client;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
diff --git a/src/warden-server/doc/warden21to22.patch b/src/warden-server/doc/warden21to22.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2278f44379438fa88f593ab8f8a7aa3ea6fa9dd0
--- /dev/null
+++ b/src/warden-server/doc/warden21to22.patch
@@ -0,0 +1,18 @@
+ALTER TABLE `clients`
+ADD `valid` varchar(1) DEFAULT 't';
+
+ALTER TABLE `events`
+ADD `client_id` int(11) DEFAULT NULL;
+
+UPDATE `events`, `clients`
+SET events.client_id = clients.client_id
+WHERE `events.hostname` = `clients.hostname` AND `events.service` = `clients.service`;
+
+ALTER TABLE `events`
+DROP COLUMN `hostname`,
+DROP COLUMN `service`;
+
+ALTER TABLE `events`
+ADD INDEX `idx_events_type_valid` (`type`,`valid`),
+ADD INDEX `idx_events_client_id` (`client_id`),
+ADD INDEX `idx_events_detected` (`detected`);
diff --git a/src/warden-server/lib/Warden.pm b/src/warden-server/lib/Warden.pm
index 3eeccebdfdb93fc947899fb112bd961704f5c239..fe5dc3152adcb7ddd7da01cba3f078e0856ab71a 100755
--- a/src/warden-server/lib/Warden.pm
+++ b/src/warden-server/lib/Warden.pm
@@ -21,6 +21,23 @@ use MIME::Base64;
 use Crypt::X509;
 use SOAP::Lite;
 use Carp;
+<<<<<<< HEAD
+=======
+use File::Basename;
+
+my $lib = File::Basename::dirname(__FILE__);
+use lib $lib;
+use WardenCommon;
+
+
+
+################################################################################
+#				VARIABLES
+################################################################################
+our $VERSION = "2.2";
+our $FILENAME = File::Basename::basename(__FILE__);
+my $etc = "$lib/../etc";
+>>>>>>> warden-server-2.2
 
 our $VERSION = "2.1";
 
diff --git a/src/warden-server/sh/install.sh b/src/warden-server/sh/install.sh
index 425e899adb5d46e2ca2ce60e7cd6e51f26f091ea..dbc4844a2dd2fa1aeb3a2d3f3fcdbc031b7199ac 100755
--- a/src/warden-server/sh/install.sh
+++ b/src/warden-server/sh/install.sh
@@ -283,6 +283,7 @@ PerlSwitches -I $lib
 }
 
 
+<<<<<<< HEAD
 changeServerPath()
 {
 	echo "Update server path ...";
@@ -299,6 +300,9 @@ changeServerPath()
 
 
 create_symlinks()
+=======
+createSymlinks()
+>>>>>>> warden-server-2.2
 {
 	echo "Creating symbolic links ..."
 	for file in `ls -1 $bin`
@@ -314,7 +318,7 @@ create_symlinks()
 #-------------------------------------------------------------------------------
 
 # list of used Perl modules
-modules=(SOAP::Lite SOAP::Transport::HTTP DBI DBD::mysql Format::Human::Bytes Sys::Syslog File::Basename Net::CIDR::Lite DateTime Getopt::Std Switch IO::Socket::SSL MIME::Base64 Crypt::X509 Carp)
+modules=(SOAP::Lite SOAP::Transport::HTTP DBI DBD::mysql Format::Human::Bytes Sys::Syslog File::Basename Net::CIDR::Lite DateTime Getopt::Std Switch IO::Socket::SSL MIME::Base64 Crypt::X509 Carp FindBin)
 
 # read input
 while getopts "d:k:c:a:Vh" options; do
@@ -382,9 +386,12 @@ make_server_conf
 # create Apache configuration file
 make_apache_conf
 
+<<<<<<< HEAD
 #update paths in utilities
 changeServerPath
 
+=======
+>>>>>>> warden-server-2.2
 # crate symlinks from warden server bin directory to /usr/local/bin
 create_symlinks
 
diff --git a/src/warden-server/sh/update.sh b/src/warden-server/sh/update.sh
index f29fe545c943ff10a4386ce6cc7f3a984d234aba..2795a390fdd7938eb084ff4a38370477ce7d1d1a 100755
--- a/src/warden-server/sh/update.sh
+++ b/src/warden-server/sh/update.sh
@@ -354,7 +354,7 @@ $valid_strings" > $server_conf_file 2> $err; ret_val=`echo $?`
 #-------------------------------------------------------------------------------
 
 # list of used Perl modules
-modules=(SOAP::Lite SOAP::Transport::HTTP DBI DBD::mysql Format::Human::Bytes Sys::Syslog File::Basename Net::CIDR::Lite DateTime Getopt::Std Switch IO::Socket::SSL MIME::Base64 Crypt::X509 Carp)
+modules=(SOAP::Lite SOAP::Transport::HTTP DBI DBD::mysql Format::Human::Bytes Sys::Syslog File::Basename Net::CIDR::Lite DateTime Getopt::Std Switch IO::Socket::SSL MIME::Base64 Crypt::X509 Carp FindBin)
 
 # read input
 while getopts "d:Vh" options; do