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  All news regarding Xen and XCP-ng ecosystem

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  Many thanks for the prompt feedback on the security updates everyone!

  I've pushed the release button (well, actually I ran koji move v8.2-testing v8.2-updates xen-4.13.1-9.11.1.xcpng8.2 microcode_ctl-2.1-26.xs15.xcpng8.2. Don't try this at home.), and the security updates will be available within 5 minutes, identical to what you have tested.

  I have not released the rest of the update train that is being tested (see this post), so let the testing continue!

• Development

  The place to discuss new additions into XCP-ng

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  @stormi Nice! Looking forward to when the new gest tools are available.

• Compute

  All Xen related stuff

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  As long as we know exactly what's missing, we can fix it 🙂

• Xen Orchestra

  Everything related to XO

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  S

  After restoring pool metadata hosts rebooted, but one of my hosts seems orphaned. I tried to re-add the host with New -> Server, but after connecting I get the following errror:
  "Unkown error
  this pool is already connected"

  Going to the pool and trying to add a host there doesn't show any hosts available.

  Looking closer at the xcp-ng host (8.2) shows some weirdness.

  Status display on xcp-ng console shows Management Network Parameters <No network configured>
  Under Network and Management Interface -> Configure Management Interface, shows "<No interfaces present>""Display NICs" is empty.
  I performed the "Emergency Network Reset". The correct interface was chosen, IP of the master host was entered but this action didn't seem to change anything when the host finally rebooted.

  Looking at the network interfaces, things look correct, I can ping the master's IP. I was also getting these errors:

  Broadcast message from systemd-journald@xcp-hostname (Mon 2021-06-14 20:53:38 EDT): xapi-nbd[22551]: main: "Failed to log in via xapi's Unix domain socket in 300.000000 seconds")

  Some entries from xensource.log on host:

  Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Starting SM xapi event service D:2e9a7197ef49 created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Killing stray sparse_dd processes] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Killing stray sparse_dd processes D:46f097b12a6c created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Registering http handlers] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Registering http handlers D:d50d84df4380 created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Listening unix socket] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Listening unix socket D:bc4b151de98d created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [ info||0 |Listening unix socket D:bc4b151de98d|xapi_http] Successfully bound socket to: UNIX /var/lib/xcp/xapi Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Checking HA configuration] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Checking HA configuration D:5a0296150025 created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Checking for non-HA redo-log] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Checking for non-HA redo-log D:0352bb5751ec created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [Setup DB configuration] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task Setup DB configuration D:bf13fd588924 created by task D:69a2c28634ac Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|xapi] parsing db config file Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|parse_db_conf] [/var/lib/xcp/state.db] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|parse_db_conf] mode:no_limit Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|parse_db_conf] format:xml Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|parse_db_conf] available_this_boot:true Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 |Setup DB configuration D:bf13fd588924|parse_db_conf] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||startup] task [bringing up management interface] Jun 14 20:42:05 xcp-blade4 xapi: [debug||0 ||dummytaskhelper] task bringing up management interface D:4956e5ae7e45 created by task D:69a2c28634ac Jun 14 20:42:06 xcp-blade4 xapi: [debug||0 |bringing up management interface D:4956e5ae7e45|xapi_mgmt_iface] Shutting down the old management interface (if any) Jun 14 20:42:06 xcp-blade4 xapi: [ info||0 |bringing up management interface D:4956e5ae7e45|xapi_mgmt_iface] Starting new server (listening on all IP addresses) Jun 14 20:42:06 xcp-blade4 xapi: [ info||0 |bringing up management interface D:4956e5ae7e45|xapi_http] Successfully bound socket to: INET :::80 Jun 14 20:42:06 xcp-blade4 xapi: [ info||0 |bringing up management interface D:4956e5ae7e45|xapi_mgmt_iface] Restarting stunnel (accepting connections on :::443) Jun 14 20:42:06 xcp-blade4 xapi: [debug||9 ||helpers] about to call script: /usr/bin/systemctl Jun 14 20:42:06 xcp-blade4 xapi: [debug||9 ||helpers] /usr/bin/systemctl is-enabled stunnel@xapi succeeded [ output = 'enabled\x0A' ] Jun 14 20:42:06 xcp-blade4 xapi: [debug||9 ||helpers] about to call script: /usr/bin/systemctl Jun 14 20:42:06 xcp-blade4 xapi: [debug||0 |bringing up management interface D:4956e5ae7e45|xapi] Management IP address is: 10.10.x.x Jun 14 20:42:06 xcp-blade4 xapi: [error||0 |bringing up management interface D:4956e5ae7e45|master_connection] Caught Master_connection.Goto_handler Jun 14 20:42:06 xcp-blade4 xapi: [debug||11 ||dummytaskhelper] task dom0 networking update D:110afb84267b created by task D:69a2c28634ac Jun 14 20:42:06 xcp-blade4 xapi: [debug||0 |bringing up management interface D:4956e5ae7e45|master_connection] Connection to master died. I will continue to retry indefinitely (supressing future logging of this message). Jun 14 20:42:06 xcp-blade4 xapi: [debug||11 |dom0 networking update D:110afb84267b|xapi_mgmt_iface] Checking to see if hostname or management IP has changed Jun 14 20:42:06 xcp-blade4 xapi: [error||0 |bringing up management interface D:4956e5ae7e45|master_connection] Connection to master died. I will continue to retry indefinitely (supressing future logging of this message). Jun 14 20:42:06 xcp-blade4 xapi: [debug||11 |dom0 networking update D:110afb84267b|helpers] Updating IP addresses in DB for DHCP and autoconf PIFs Jun 14 20:42:06 xcp-blade4 xapi: [debug||0 |bringing up management interface D:4956e5ae7e45|master_connection] Sleeping 2.000000 seconds before retrying master connection... Jun 14 20:42:06 xcp-blade4 xapi: [debug||9 ||helpers] /usr/bin/systemctl restart stunnel@xapi succeeded [ output = '' ] Jun 14 20:42:08 xcp-blade4 xapi: [debug||0 |bringing up management interface D:4956e5ae7e45|master_connection] stunnel: stunnel start\x0A Jun 14 20:42:13 xcp-blade4 xapi: [ info||0 |bringing up management interface D:4956e5ae7e45|master_connection] stunnel connected pid=16456 fd=23

  Any help is much appreciated.

• Non-English speakers

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  @leiwis-0 Ok! Borzel mantém o XCP Center. Talvez ele possa ajudar a entender o que está acontecendo se a reinicialização não funcionar.