Xenmigrate.py
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The script can be downloaded at the bottom of this page.
This script helps you migrate from Citrix XenServer to open source Xen (or KVM or anything else that uses images or Logical Volume images).
Citrix .xva file format (Xen Virtual Appliance) -- aka, we made our own special little format to piss you off if you want to convert away from XenServer to something different
Xenmigrate.py export and import example -- I ran through an export and an import so you can see what to expect. One thing -- don't confuse the xenmigrate.py's export with the "export" done by Xen Center.
Xenmigrate tested and working on: XenServer 5.5, XenServer 5.0, XenServer 4.1, Xen 3.0, Xen 3.1, Xen 3.3, Xen 3.4
Xenmigrate on XenServer 4.0: Dom0 has memory issues, as in you can't allocate enough to it and, while you can change the settings that should give it more, it doesn't actually get any more. 4.1 has them too, but you can fix them. The problems are related to the gzip part of the program wanting some memory, so if you avoid the gzip option you may squeak by.
NOTICE: Xenmigrate (at the bottom of this page) does not currently support NFS stored VMs. NFS support will arrive at some point, it could arrive more quickly if someone actually needs it.
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Files 1
| File | Size | Date | Attached by | |||
|---|---|---|---|---|---|---|
 | | xenmigrate.py Export your XenServer logical volumes to a raw file. Import this raw file into a logical volume on your open source box. Convert your .xva to a raw file to import into a logical volume on your open source box. [Fix additional file number calculation problem with the conversion of XVA files.] | 19.14 kB | 21:05, 13 Sep 2011 | pace | Actions |
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< refdirlist=os.listdir(refdir)
303,304d301
< numfiles=len(refdirlist)
< # Sort the list to make it XenServer 5.5 work
306,307c303,304
< # This is a horrible way to get the right filename!
< print 'last file :',numfiles+1
---
> numfiles=int(refdirlist[-2])
> #print 'last file :',numfiles+1
this reverts to the calculation method from an earlier version.