Aug 072013
 
  1. In file /etc/yum.repos.d/CentOS-Base.repo in section [base] set enabled=1
  2. sed -i 's/enabled=0/enabled=1/g' /etc/yum.repos.d/CentOS-Base.repo
  3. For XenServer 6.2, 6.5 in file /etc/yum.repos.d/Citrix.repo in section [citrix] set enabled=0
  4. sed -i 's/enabled=1/enabled=0/g' /etc/yum.repos.d/Citrix.repo
  5.  rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/$(uname -i)/epel-release-5-4.noarch.rpm
     cd /tmp
     wget https://yum.puppetlabs.com/el/5/products/$(uname -i)/puppetlabs-release-5-10.noarch.rpm
     rpm -Uvh puppetlabs-release-5-10.noarch.rpm
     yum install puppet
    

    set up /etc/puppet/puppet.conf, after that:

     chkconfig puppet on
     /etc/init.d/puppet start
    

I Also recommend using a xs_patcher to make XenServer up to date.

Aug 072013
 

Warning: all operations are carried out only with the first two RAID partitions, the third partition is not changed

Due to the fact that the standard update is a XenServer installation of the new XenServer with virtual machines preservation, with the loss of all the changes that were made manually on the server (installed software, changing / adding settings through the console, etc.), the update is the new XenServer installation and connection of the old virtual machines.

Based on: http://support.citrix.com/article/CTX120962

  1. Backup all VM, manually:
    xe vm-export vm=vm_name filename=backup_fiule_name compress=true
    ...
    xe pool-dump-database file-name=dump_name.dump
    

    or with XENBack

  2. VM metadata export
    xe vm-export metadata=true --multiple filename=VMEXPORT

    Warning: store all files VMEXPORT… to another computer/data store/etc

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