Xen Orchestra

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  Merging XO forum here
  • olivierlambert  

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  ?? Why? I'll merge XO forum into this cat, not replacing anything. Also NodeBB works well, it's one of the less crappy forum software I know.
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  Clean up "old version of guest-tools.iso"
  • HeMaN  

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  @axiom00 Thank you for your answer, this worked great. Was able to clean the entire list of old versions this way.
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  Number of cores in stats is incorrect for VMs
  • Biggen  

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  @olivierlambert xcp-ng Center displays it properly, so yeah, it must be the way XO is pulling data. Oh well. Not a big deal. Just was curious. Thanks Olivier!
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  iso smb library - how to create it in XOA?
  • akurzawa  

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  @akurzawa First you need to create a SMB Share somewhere "FreeNas, Nas4Free or Windows" or anywhere else you can create it on. Then you use the "Windows File Sharing (SMB/CIFS)" to connect it to.
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  Nag-Screens
  • smschumacher  

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  Hi @smschumacher It's a good question and there's no easy answer. First, Xen Orchestra is not Open Core: you have all XO features from the sources, so it's not true to say "you want premium feature you need to pay". We are talking about support and some tools outside XO itself. There's no problem for individuals using from the sources, and enjoy everything for free. Note that Vates made 99,99% of the code base, it's not a dev community effort. So we decided to put it for free and Open Source, because we believe in that fair model. That's why we also decided to do XCP-ng. But what about no companies using XOA and support? How could we pay the 6 full time devs to work on it? So this is a kind of way to remind corporate usage that's NOT safe to use it without support. In a ideal world, this won't have to be displayed. But don't be naive, the reality is often harsh. How could we detect that your source install is for your home lab or if you are a company? Also the donation would be even more problematic: companies will prefer to do that instead of paying for support. This would put us at risk. Also remember that for now XOA subscriptions are also paying for XCP-ng development. We aren't a big company, and we rely exclusively on XOA/XCP-ng support revenue, that's it. And the market isn't that huge (cheaper plans would be even close to break-even): to go cheap you need the numbers, and they aren't here. There is a reason for those messages, it's not made to bother you, it's made to bother corporate users who want to use it from the sources and just take support for 1 month when they got a problem (you know, as if you took an insurance for your car just after crashing it). I agree it's a delicate balance, and it's hard to find the sweet spot. Are you really in pain to see those messages, knowing it might help us to get corporate users to decide to take support because their boss saw the warning? Anyway, suggestions welcome, I'm always open to hear feedback! edit: talking about oVirt, you know it's the RHEL "community version" right? Why companies are paying for RHEL? Because of the brand name. It's Redhat. Well, even IBM now. We aren't that kind of fish.
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  Can't restore individual files
  • smschumacher  

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  @borzel said in Can't restore individual files: @jmm you can also build from a tag to get a consitsent state Not really, we do our QA on various npm packages that can be at different versions (eg a plugin with an older version, on xo-server with a more recent one). Being on master is the best solution, because we use "feature branches" to avoid breaking everything (but bug still could appear indeed)
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  SOLVED Increasing the size of a disk
  • LEB-ID  

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  Quite welcome, @mhrsolanki2020 . I am a frequent searcher for knowledge, so happy to be able to pass along something helpful. And @akurzawa , I'm aware it's not an issue with XCP/XOA, it was, as I said, my own ignorance. Just hoping to help other folks out in the future. Thank you for the advice about LVM, in this case it just happened to be what was originally running on the VM.
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  Two Delta-Backups on the same host
  • smschumacher  

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  When you click on the link of the error message it should send you to the official documentation, explaining what it means: https://xen-orchestra.com/docs/backup_troubleshooting.html#error-messages I'm not sure to understand the UI question, can you post a screenshot?
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  vm visible in console not in xen-orchestra
  • akurzawa  

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  @jedimarcus You were right [root@XCP02 ~]# xe vm-list is-a-snapshot=false | grep 29_ name-label ( RW): 29_Hades @Danp [root@XCP02 ~]# xe vm-list params=name-label,uuid,other-config uuid=c2ae0376-b164-1d63-5c9a-e90a6be4cfbc uuid ( RO) : c2ae0376-b164-1d63-5c9a-e90a6be4cfbc name-label ( RW): 29_zeus-file-archive_2019-08-08T13:36:58.771Z other-config (MRW): base_template_name: Debian Stretch 9.0; import_task: OpaqueRef:c1020902-7587-47fd-9035-ad97d0f82c99; mac_seed: 06e28f1e-e6b0-3a82-1d50-33414ceea41e; install-methods: cdrom,nfs,http,ftp; linux_template: true ok thank You guys.
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  SOLVED Disaster recovery - wrong network in destination
  • txsastre  

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  Yeah I would say that's the more logical solution in the end
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  SOLVED Continuous Replication fails with VDI_IO_ERROR(Device I/O errors) on fresh XOA install after XenServer 7.2 -> XCP-ng 8.0 upgrade
  • 1am3r  

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  @rizaemet-0 Ever since I have changed to guessVhdSizeOnImport: true I have not had any problems. However I only backup 5 VMs which is not much. In the past I noticed that if I didn't change the default "Concurrency" setting to 1 in the Backup NGs advanced settings (I assume that it tries to parallelize backups by default) then my tasks would fail randomly once in a while with VDI_IO_ERROR(Device I/O errors). I figured that perhaps my servers are not fast enough; they have about 40MB/s write speed to the disks only. Setting to 1 solved it, but I can imagine this may not be desirable if there is lots of VMs to backup since it would slow down the process considerably.
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  cloud-init Network configuration
  • avishorp  

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  Do you mean to say when you edit the network config box, and fill it out with your own network info (adhering to this standard: https://cloudinit.readthedocs.io/en/latest/topics/network-config-format-v1.html) that cloudinit in the vm gives a yaml error? This indicates the way you filled out the entry box is not properly formatted. Keep in mind to pass networking info, your cloudinit install in your template VM needs to be set to use nocloud data sources, and keep in mind the network configuration passed via cloud-init is added to the template VM, not replaced, so you need to properly configure your template VM to not already have adapters configured with IP addresses etc
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  Importing VM in Self service
  • hassan.syed  

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  You can't import via the self service. Self is made to be used for creating VMs only, without any idea on what's going on "behind the curtains". If you want import possible, it's another use case, feel free to share why and how you are imagining it. If you have pro support, you can create a ticket so we can see all details in private.
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  "Host time and XOA time are not consistent with each other" error after a reboot
  • by873  

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  I assume you are running XO as a VM. Did you check to see that the date/time in this VM is set correctly?
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  XO does not show all VMs on a particular xs 6.2 node and other
  • by873  

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  Yes, you are right infact the old instances are halted and are temporarily kept till I am not sure the imported ones are perfectly working on new node. Unfortunately in the meantime I need a way to manage boths and it means xencenter or cli. Thanks for having pointed my attention to the duplicated uiids problem.
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  XO from source - no plugins, no config import
  • marekm  

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  See me previous post here -- https://xen-orchestra.com/forum/post/5072 I'm guessing that you were missing the symlinks for the plugins, otherwise they should have been present in XO.
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  Question About Multiple Remotes on XOA Backup-NG
  • asai  

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  Thank you, @olivierlambert, for all you do here.
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  xen orchestra installation failed
  • csi-laser  

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  @csi-laser I've had problems where the XOA install doesn't get an IP address, or it doesn't match whatever the CLI installer says anyway. Check and see if there is a new VM on your host and check that the network interface is connected, then go in the VM and ip a
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  sdn certs module
  • adriangabura  

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  Great! Your team proves just how legendary it is once again! Thank you!
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  Migrate or export XOCE
  • pavlouc  

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  I think the simplest way to just do this once is to go to Settings > Config, there you can export the backup. Once you create your new instance of XOCE, you can import the backup using the same page, then just logout of the default user, and you can login using your old credentials. Make sure to delete the admin@admin.net account after.