this is the pool configuration - on all servers in a pool equal:

#
#  XenServer Pool Extended Configuration
#

<net Management>
        typ mgmt                       
        <bond BondMgmt>
                <nic eth1>
                </nic>
                <nic eth0>
                </nic>
                mode active-backup     
        </bond>
        descr Main Connection activ passiv
        dnssearch lab.local,schnuerle.com
</net>

# Tagconfiguration
<tag XenHostTag>
    typ host
    do add
    key XenServer Pool RZ:EDV fsi server:172.16.1.4
</tag>

<tag XenStorageRepoTag>
    typ sr
    to ISOTools_NFS
    do add
    key ISO Repository
</tag>

# SR Rename
<srren LocalSR>
   sr Local storage
   to Local SR $HOSTNAME
</srren>

# SR Delete
<srdel RemovableSR>
   sr Removable storage
</srdel>

<srdel RemovableCD>
   sr DVD drives
</srdel>

# Syslog.conf erweitern 
<fileadd /etc/syslog.conf>
    <line kern.notice @172.16.1.4>
    </line>
    <line daemon.notice @172.16.1.4>
    </line>
    <line auth.info @172.16.1.4>
    </line>
    <line kern.notice @172.16.1.4>
    </line>
    <line daemon.notice @172.16.1.4>
    </line>
    <line auth.info @172.16.1.4>
    </line>
    <line cron.notice @172.16.1.4>
    </line>
    <line mail.info @172.16.1.4>
    </line>
    <line user.info @172.16.1.4>
    </line>
    <line local1.info @172.16.1.4>
    </line>
    <line local2.info @172.16.1.4>
    </line>
    <line local3.info @172.16.1.4>
    </line>
    <line local4.info @172.16.1.4>
    </line>
    <line local5.info @172.16.1.4>
    </line>
    <line local6.info @172.16.1.4>
    </line>
    <line local7.info @172.16.1.4>
    </line>
</fileadd>  

<net Storage2Srv>
        bond Management
        vlan 222
        descr Storage Network
</net>
<net VDI2User>
        bond Management
        vlan 111
        descr VDI XenDesktop Network
</net>
<storage ISOTools_NFS>
  do override
  typ niso
  srv 172.16.1.248
  path /nfstest/isolib
  default false
  shared true
</storage>
<storage SERVICE>
  do new
  typ nfs
  srv 172.16.1.248
  path /nfstest/service
  default false
  shared true
</storage>
<storage poolha>
  do new
  typ nfs
  srv 172.16.1.248
  path /nfstest/ha
  default false
  shared ha
  mhf 2
</storage>   
<storage XD_Storage_1>
  do new
  typ nfs
  srv 172.16.1.248
  path /nfstest/vdi
  default true
  shared true
</storage>
<domain labdom>
    dnsdom labdom.lab.local
    user   xenuser
    pw     dee1ddes
    pwc    21234864
    ou     Labor/Server/XenServer
    contyp icmp  
    <group xengrouppooladmin>
       role pool-admin
    </group>
    <group xengrouppooloperator>
       role pool-operator
    </group>
    <group xengroupreadonly>
       role read-only
    </group>
    <group xengroupvmadmin>
       role vm-admin
    </group>
    <group xengroupvmoperator>
       role vm-operator
    </group>
    <group xengroupvmpoweradmin>
       role vm-power-admin
    </group>
</domain>