Clariion/VNX external storage module for ganeti

Purpose

This modules makes ganeti external storage module to work with HP EVAs Systems

Prerequisites

• naviseccli (download from EMC website)

Installation

• Copy this directory info a directory in the ExtStorage Providers search path (/srv/ganeti/extstorage, /usr/local/lib/ganeti/extstorage, /usr/lib/ganeti/extstorage, /usr/share/ganeti/extstorage)

• Copy and complete clariion.conf in /etc/ganeti/extstorage/

• Make sure the naviseccli is correctly set in the clariion.conf

• Patch function NewUUID() in /usr/share/ganeti/ganeti/utils/io.py to match this one :

   def NewUUID():
     """Returns a random UUID.
  
     @note: This is a Linux-specific method as it uses the /proc filesystem.
     @rtype: str
  
     """
     return ReadFile(constants.RANDOM_UUID_FILE, size=18).rstrip("\n")
  

• (ganeti < 2.12) Patch function GenerateDiskTemplate() in lib/cmdlib/instance_storage.py :

     # Only for the Ext template add disk_info to params
     if template_name == constants.DT_EXT:
       params[constants.IDISK_PROVIDER] = disk[constants.IDISK_PROVIDER]
   +   params[constants.IDISK_NAME] = disk[constants.IDISK_NAME]
  

• restart ganeti

TODO

• VNX support - currently only Clariion devices are supported