Xen Orchestra

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  Merging XO forum here
  • olivierlambert  

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  There's no tool to "merge" old forum or fetch old message. So for few months we'll still have old XO forum then it will be automatically redirected to the XO category here.
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  Cloudinit does not work correctly
  • mlustosa  

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  @olivierlambert said in Cloudinit does not work correctly: @mlustosa said in Cloudinit does not work correctly: ssh-ed25519 This is probably the issue. Are you sure you added correctly your key manually? it's correct. I have two keys, one id_ed25519 and the other id_rsa.
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  CPU Usage Mismatch
  • SomeFixItDude  

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  I actually had more cores assigned to the vm earlier. Maybe that caused it.
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  This topic is deleted!
  • jeepeegit  

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  No one has replied

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  SOLVED Latest version Xen Orchestra - update how?
  • jeepeegit  

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  Update failed and made a new vm. Snapshot now works. Thanks for the tip. Had a nfs connection problem after that but that worked again after I ran an apt install nfs-common on the new vm.
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  CR tag ignored (kind of) in smart backup
  • karlisi  

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  Ping @julien-f
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  Power on function
  • dsiminiuk  

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  Trying something new... Remove all servers from XO and log out. Host 1 is powered off. On host 2. xe task-list uuid ( RO) : 727ecb6b-6f2e-15eb-601b-110b2478996b name-label ( RO): Async.host.power_on name-description ( RO): status ( RO): pending progress ( RO): 0.000 xe task-cancel uuid=727ecb6b-6f2e-15eb-601b-110b2478996b Task is still there. From XCP-NG Center. Shutdown all VMs and host2 (All powered off). Powered up both servers. Wait 15 minutes to make sure no tasks are pending (xe task-list). Logging output to file via putty of; tail -f /var/log/audit.log Added host2 (master) to XO Settings/Servers. The Async.host.power_on task hasn't come back.
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  10GB backup with XOA (XCP to windows NFS)
  • Luca M  

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  That sounds feasible indeed
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  XOA High CPU / Single Core
  • KernelCrunch  

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  XO is build on using NodeJS. It's fast to do I/O because it's using an event loop (see https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/ ) We are using workers for some tasks (backup merge) but most of the task are in a single process. Also in your screenshot, there's a lot of traffic going on, so it might happen during a backup
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  This topic is deleted!
  • elementalwindx  

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  Logs Partition Full
  • x-rayd  

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  Not my area of expertise. Perhaps this will point you in the right direction -- http://kb.eclipseinc.com/kb/can-i-safely-ignore-io-errors-on-dm-devices/
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  SOLVED Upgraded to XOA 5.48.2 and Can't Do Delta Backups?
  • icedigger  

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  Aha! Thanks for the heads up.
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  Unable to mount NFS share in XOA
  • Kraken89  

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  @olivierlambert could this error be more verbose? I think this error should say: Cannot write file .keeper_uygbivt5lv on remote <whatever the remote name/address> NFS is mounted but XOA cannot write to mounted dir. This happens in NFSv4 as default when sec=sys on NFS server (that is the default).
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  OVA import failing
  • rennis  

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  @olivierlambert @olivierlambert said in OVA import failing: Keep in mind the file has to flow from your browser toward your XOA, then to your XOA to your host, which might use another network share itself. If your XOA could mount the place where you have your OVA directly, you could use upload-ova utility (see https://github.com/vatesfr/xen-orchestra/tree/master/%40xen-orchestra/upload-ova#usage ) to send them directly. Going to look into that, thank you.
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  Node 12 ssl_choose_client_version:unsupported protocol error with auth-ldap plugin
  • DeOccultist  

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  Yep, that's the best solution Have a nice day.
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  XOA Proxy - backup aborted (XOA 5.48.0 - and trial license on enterprise edition)
  • Luca M  

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  @julien-f is aware of the problem, he's working on getting proxy fully independent on the network connection. Can you check why the connection between XOA and your proxy is interrupted? Is there any reason you have in mind?
• Z

  Migrating VM fails with DUPLICATE_VM error
  • Zevgeny  

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  @olivierlambert Ok, so I ran the command without the grep on destination and source (grep doesnt find anything.) I couldn't see the UUIDs of the VMs I want to migrate anywhere on the destination list. The two VMs I am trying to migrate on the source: [17:54 xcp-ks ~]# xe vm-list uuid ( RO) : bb75397d-980e-9fd8-aa63-c8b13c38bd3e name-label ( RW): Win10 Print Server power-state ( RO): halted uuid ( RO) : 5c27c06b-0995-73c6-bb2d-d442db947ee8 name-label ( RW): WIN10 Print Release Terminal power-state ( RO): halted My VM list on the destination: [17:50 xcp-city ~]# xe vm-list uuid ( RO) : 3b6f09b1-8d47-7478-b72e-2dd53788a57e name-label ( RW): MLS-VM-Ubuntu_2020-06-29T04:01:46.552Z power-state ( RO): halted uuid ( RO) : 280cf6a8-7c56-9323-0148-ce048a4081d4 name-label ( RW): WServer2019-PublicFacing_2020-05-17T16:51:13.772Z power-state ( RO): halted uuid ( RO) : 9eff99d0-a16b-d91d-5f41-d36e24357ec8 name-label ( RW): WServer2019-HiSec_2020-06-15T07:59:15.309Z power-state ( RO): halted uuid ( RO) : d5896b2d-bb75-262f-9d55-668315419306 name-label ( RW): MLS-VM-SMTP power-state ( RO): running uuid ( RO) : 826f34bd-aaaa-2bdd-61fe-2511f843d713 name-label ( RW): WS-PubNet_2020-06-29T04:57:59.732Z power-state ( RO): halted uuid ( RO) : a55b24bc-02b9-4dcd-a7fc-05f8f107660e name-label ( RW): Control domain on host: xcp-city power-state ( RO): running uuid ( RO) : 2617b8ed-a087-e257-4ca2-0e44de5b8ee9 name-label ( RW): WS-MSAdmin_2020-06-26T03:03:27.154Z power-state ( RO): halted uuid ( RO) : 08d020c9-6314-9c6b-3792-dba8f1d2f15d name-label ( RW): WServer2019-HiSec_2020-06-14T06:48:02.042Z power-state ( RO): halted uuid ( RO) : 6d98ba66-09ad-3754-ef14-ee4a8035717a name-label ( RW): WS-PubNet_2020-06-26T05:16:37.397Z power-state ( RO): halted uuid ( RO) : d513e984-5ef6-ad7f-8ae0-18c483718f23 name-label ( RW): WServer2019-PublicFacing_2020-05-22T12:57:51.293Z power-state ( RO): halted uuid ( RO) : 522e6da7-25e7-22bb-dbda-1584a5c851cf name-label ( RW): XO CE Kubuntu power-state ( RO): running uuid ( RO) : fe1f5255-4779-7510-e657-5e259032bf6a name-label ( RW): MLS-VM-Ubuntu power-state ( RO): running uuid ( RO) : 84876754-324b-aedd-fea4-7e358d0dd74c name-label ( RW): WS-MSAdmin power-state ( RO): running uuid ( RO) : a0921e9a-bb0e-6555-e1ea-8546afa3dd55 name-label ( RW): WServer2019-HiSec_2020-06-15T03:32:08.343Z power-state ( RO): halted uuid ( RO) : 6a1d28d8-f30a-74e8-3ad9-9a1fe6b37e13 name-label ( RW): WS-PubNet power-state ( RO): running uuid ( RO) : 2662852b-8a39-07f9-7a2c-de7e85c1ab76 name-label ( RW): XO CE Kubuntu_2020-03-16T00:16:43.655Z power-state ( RO): halted uuid ( RO) : b1390286-0569-e935-b922-89aa7aaf670c name-label ( RW): [XO Backup Backup XO CE Kubuntu] XO CE Kubuntu power-state ( RO): halted uuid ( RO) : 0da8353c-7ce9-543c-1448-ecaa3df96573 name-label ( RW): WS-HiSec power-state ( RO): running
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  SOLVED Can't deploy XOA
  • keeely  

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  I said that for both statements: It's not Xen fault if it doesn't work on top of KVM, but Xen accessing some virt features that aren't correctly exposed by KVM. I'm not blaming them, nested virt is a mess to properly code and test. Consider this as experimental everywhere. I missed the "for me". But it's also vague, I don't know your constraints/what do you want. Also, I think I heard that some users made it work with Virtualbox, but it might also depends on your hardware. As I said, nested virt is a mess, and sometimes, some hardware works better than others (or even some VBox versions).
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  Old snapshot listing
  • redy  

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  Can you create a GitHub issue gathering our elements here to get a simple but complete "specification"? https://github.com/vatesfr/xen-orchestra/issues/new
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  Remove backup bottleneck: please report
  • olivierlambert  

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  To get the complete speed, just take a look at XOA network stats while the backup is happening in… Xen Orchestra