Hakim Bouras expounds very concisely how to move eZ from one site to another.
http://share.ez.no/forums/developer/multisite-move-from-one-server-to-other#comment57697
To move the Site2 to another server you will have to :
- copy the files to the new server (in the existing ez folder):
- design/Site2
- extension/site2ext
- siteaccess/new_plain_site
- siteaccess/new_plain_site_admin
- var/Site2
- restore your database
- update your settings in settings/siteaccess/Site2/site.ini.append.php
- database connection if it changes
- var folder if it changes
- verify the other extensions that was used, in the previous server and make sure they are available on the new server (if they are used by your site) globally in the ez installation in settings/override/site.ini.append.phplocally, only for Site 2 in settings/siteaccess/Site2/site.ini.append.php
- declare Site 2 in your new server by updating settings/override/site.ini.append.php
[SiteSettings]--> SiteList[][SiteAccessSettings]--> AvailableSiteAccessList[]--> HostMatchMapItems[]
- clear the cache folder var/Site2/cache