Platform Centos 5.5 32bit
Previous version of Zimbra 6.0.12

1. Download zcs 7 with wget;

[root@server ~]# wget http://files.zimbra.com/downloads/7.0.1_GA/zcs-7.0.1_GA_3105.RHEL5.20110304210448.tgz

2. Unpack zcs 7 in current directory;

[root@server ~]# tar xvzf zcs-7.0.1*

3. Change directory to zsc-7.0.1*;

[root@server ~]# cd zcs-7.0.1*

4. Install zcs 7 on Centos 5.5 with –platform-override ;

[root@server zcs*]#./install.sh -s --platform-override

5. Configure zcs 7;

[root@server ~]# /opt/zimbra/libexec/zmsetup.pl

If you have problems in this step;

PROBLEM:

[zimbra@server log]$tail -f mysql_error.log

110402 21:27:40 [ERROR] Can’t open shared library ‘/opt/zimbra/mysql-standard-5.1.55-pc-linux-gnu-i686-glibc23/lib/mysql/plugin/ha_innodb_plugin.so’ (errno: 0 cannot restore segment prot after reloc: Permission denied)

110402 21:27:40 [ERROR] Couldn’t load plugin named ‘innodb’ with soname ‘ha_innodb_plugin.so’.

/opt/zimbra/mysql/libexec/mysqld: Table ‘mysql.plugin’ doesn’t exist

110402 21:27:40 [ERROR] Can’t open the mysql.plugin table. Please run mysql_upgrade to create it.

SOLUTION: disable selinux with

[root@server ~]# setenforce 0

6. Restart zimbra service;

[root@server ~]# service zimbra restart

There is no documents tab anymore. But all documents are now under Briefcase tab in Notebook map.