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    Xen to XCP-NG

    Scheduled Pinned Locked Moved Unsolved Migrate to XCP-ng
    18 Posts 3 Posters 977 Views 3 Watching
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    • J Offline
      josef1909 @olivierlambert
      last edited by josef1909

      Hi @olivierlambert ,
      I worked on the P3 Script. at this time, I getting to the stage where the script returns
      VM Details:
      Name: justanothername
      Type: Paravirtualised
      VCPUS: 4
      Memory(bytes): 2147483648
      ACPI: true
      APIC: true
      PAE: true
      NX: false
      Viridian: true
      Disk xvda(Bootable): /dev/vgxen/justanothername
      Connecting to target xxx.xxx.145.157

      Processing disk /dev/vgxen/justanothername(21474836480 bytes)
      Internal Error. Possible problem: Please make sure you have enough space on your default SR

      While this is an issue which is announced on the link you send, I check via xoa and xcp-ng center. We have set a default SR. may I ask your help to proceed?
      Screenshot from 2023-11-29 20-58-02.png

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      • olivierlambertO Online
        olivierlambert Vates 🪐 Co-Founder CEO
        last edited by

        Hmm it's probably not processing correctly the SR size on destination?

        J 1 Reply Last reply Reply Quote 0
        • J Offline
          josef1909 @olivierlambert
          last edited by

          @olivierlambert Can we just stream it like fire and forget as long it can identify the default SR?

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          • J Offline
            josef1909 @josef1909
            last edited by

            @josef1909 I just need to go ahead to check if the script will send more issues I need to work on.

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            • J Offline
              josef1909
              last edited by

              Hi @olivierlambert ,
              Please check script here or might suggest someone to collaborate:
              https://github.com/josef-bocklage/xcp-ng_xen2xcpng-py3/blob/main/xen2xcpng-Vpy3.py

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              • J Offline
                josef1909
                last edited by

                Hi, I just wanted to check-in if someone was so kind and had a look.
                Cheers,
                Josef

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                • olivierlambertO Online
                  olivierlambert Vates 🪐 Co-Founder CEO
                  last edited by olivierlambert

                  Hi!

                  We are pretty busy here (at Vates) about 8.2.1 new ISO and 8.3 release. We'll be happy that anyone around in the community is able to assist!

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                  • J Offline
                    josef1909 @olivierlambert
                    last edited by

                    @olivierlambert understand.
                    Please let me know if I can help trigger people to support on that.
                    It seems that this topic has already a little dust on it - so I am happy to collabortate.

                    In the meantime, I made some Tests and will provide the last lines from the debugging.

                    > /root/xen2xcpng3-V1.py(839)<module>()
-> if options.filename:
(Pdb) n
> /root/xen2xcpng3-V1.py(842)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb) n
> /root/xen2xcpng3-V1.py(843)<module>()
-> password=options.password, ssl= not options.nossl,  sparse=options.sparse, sftp=options.sftp)
(Pdb) n
> /root/xen2xcpng3-V1.py(842)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb) n
VM Details:
Name: JUSTANOTHERNAME
Type: Paravirtualised
VCPUS: 4
Memory(bytes): 2147483648
ACPI: true
APIC: true
PAE: true
NX: false
Viridian: true
Disk xvda(Bootable): /dev/vgxen/JUSTANOTHERNAME
Connecting to target XXX.XXX.XXX.157

Processing disk /dev/vgxen/JUSTANOTHERNAME(21474836480 bytes)
TypeError: initial_value must be str or None, not bytes
> /root/xen2xcpng3-V1.py(842)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb)
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                    • J Offline
                      josef1909
                      last edited by

                      Here are some more logs from todays session:

                      (Pdb) n
> /root/xen2xcpng3-V1.py(871)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb) w
  /usr/lib/python3.9/bdb.py(580)run()
-> exec(cmd, globals, locals)
  <string>(1)<module>()
> /root/xen2xcpng3-V1.py(871)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb) n
VM Details:
Name: JUSTANOTHERNAME
Type: Paravirtualised
VCPUS: 4
Memory(bytes): 2147483648
ACPI: true
APIC: true
PAE: true
NX: false
Viridian: true
Disk xvda(Bootable): /dev/vgxen/JUSTANOTHERNAME
Connecting to target xxx.xxx.xxx.157

Processing disk /dev/vgxen/JUSTANOTHERNAME(21474836480 bytes)
TypeError: initial_value must be str or None, not bytes
> /root/xen2xcpng3-V1.py(871)<module>()
-> machine.save_as(server=options.server, username=options.username,
(Pdb) w
  /usr/lib/python3.9/bdb.py(580)run()
-> exec(cmd, globals, locals)
  <string>(1)<module>()
> /root/xen2xcpng3-V1.py(871)<module>()
-> machine.save_as(server=options.server, username=options.username,
  /root/xen2xcpng3-V1.py(617)save_as()
-> string = io.StringIO(input_buffer)
(Pdb) n
--Return--
> /root/xen2xcpng3-V1.py(871)<module>()->None
-> machine.save_as(server=options.server, username=options.username,
(Pdb) w
  /usr/lib/python3.9/bdb.py(580)run()
-> exec(cmd, globals, locals)
  <string>(1)<module>()->None
> /root/xen2xcpng3-V1.py(871)<module>()->None
-> machine.save_as(server=options.server, username=options.username,
(Pdb) n
TypeError: initial_value must be str or None, not bytes
> <string>(1)<module>()->None
(Pdb) w
  /usr/lib/python3.9/bdb.py(580)run()
-> exec(cmd, globals, locals)
> <string>(1)<module>()->None
  /root/xen2xcpng3-V1.py(871)<module>()->None
-> machine.save_as(server=options.server, username=options.username,
  /root/xen2xcpng3-V1.py(617)save_as()
-> string = io.StringIO(input_buffer)
(Pdb) n
--Return--
> <string>(1)<module>()->None
(Pdb) w
  /usr/lib/python3.9/bdb.py(580)run()
-> exec(cmd, globals, locals)
> <string>(1)<module>()->None
(Pdb) n
Traceback (most recent call last):
  File "/usr/lib/python3.9/pdb.py", line 1723, in main
    pdb._runscript(mainpyfile)
  File "/usr/lib/python3.9/pdb.py", line 1583, in _runscript
    self.run(statement)
  File "/usr/lib/python3.9/bdb.py", line 580, in run
    exec(cmd, globals, locals)
  File "<string>", line 1, in <module>
  File "/root/xen2xcpng3-V1.py", line 871, in <module>
    machine.save_as(server=options.server, username=options.username,
  File "/root/xen2xcpng3-V1.py", line 617, in save_as
    string = io.StringIO(input_buffer)
TypeError: initial_value must be str or None, not bytes
Uncaught exception. Entering post mortem debugging
Running 'cont' or 'step' will restart the program
> /root/xen2xcpng3-V1.py(617)save_as()
-> string = io.StringIO(input_buffer)
(Pdb) q
Post mortem debugger finished. The /root/xen2xcpng3-V1.py will be restarted
> /root/xen2xcpng3-V1.py(13)<module>()
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                      • olivierlambertO Online
                        olivierlambert Vates 🪐 Co-Founder CEO
                        last edited by

                        I know @yann is very busy but if he can, he'll take a look

                        J 1 Reply Last reply Reply Quote 0
                        • J Offline
                          josef1909 @olivierlambert
                          last edited by

                          @olivierlambert @yann
                          I understand that there is a big GoLive on your side.
                          Do we have alternative suggestions to migrate from xen to xcp-ng?

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                          • olivierlambertO Online
                            olivierlambert Vates 🪐 Co-Founder CEO
                            last edited by

                            The other alternative, if a bit cumbersome, is to use Clonezilla, like a P2V situation 🙂

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                            • andrewperryA Offline
                              andrewperry
                              last edited by

                              I also worked on trying to update the script to python3 last week and hadn't realised you had this work here so was starting from scratch.

                              I am not a python developer so when I got to errors in the section that is actually streaming the files I decided to stop and just finish 'making' python2.7 on the servers that I need to get the VMs off and that has worked for me.

                              It doesn't seem like it should be a huge amount of work left to upgrade the script to python3 but probably not something I have the skills or time for right now.

                              Thanks for sharing your efforts here. What have you ended up doing @josef1909

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                              • olivierlambertO Online
                                olivierlambert Vates 🪐 Co-Founder CEO
                                last edited by

                                Thanks for re-pinging. This might be a "simple" mission to finance to a Python specialist. Let me add @AtaxyaNetwork in the loop.

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