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    Watchdog for reboot VM when it's broken(no respond).

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    • cbaguzmanC
      cbaguzman @olivierlambert
      last edited by

      @olivierlambert Also, I thing others ways.

      Make a script in XCP host what run ping to VMS'S ip and force reboot of VM when ping is not respond.

      What do you think about this?

      1 Reply Last reply Reply Quote 0
      • olivierlambertO
        olivierlambert Vates 🪐 Co-Founder CEO
        last edited by

        Bad idea. Losing network temporarily doesn't mean your app crashed.

        I think first you really need to think about what you need.

        1 Reply Last reply Reply Quote 0
        • cbaguzmanC
          cbaguzman
          last edited by cbaguzman

          Hello, finally I installed wachtdog in my VM. I have Linux Ubuntu there.

          I used xen_wdt module in watchdog.

          It is whatchdog configuration:

          "/etc/default/watchdog"

          # Start watchdog at boot time? 0 or 1
run_watchdog=1
# Start wd_keepalive after stopping watchdog? 0 or 1
run_wd_keepalive=1
# Load module before starting watchdog
watchdog_module="xen_wdt"
# Specify additional watchdog options here (see manpage).

          /etc/watchdog.conf

          #ping                   = 8.8.8.8 
ping                    = 192.16.171.254 
interface               = eth0
file                    = /var/log/syslog
change                  = 1407
# Uncomment to enable test. Setting one of these values to '0' disables it.
# These values will hopefully never reboot your machine during normal use
# (if your machine is really hung, the loadavg will go much higher than 25)
max-load-1              = 24
#max-load-5             = 18
#max-load-15            = 12
# Note that this is the number of pages!
# To get the real size, check how large the pagesize is on your machine.
#min-memory             = 1
#allocatable-memory     = 1
#repair-binary          = /usr/sbin/repair
#repair-timeout         = 60
#test-binary            =
#test-timeout           = 60
# The retry-timeout and repair limit are used to handle errors in a more robust
# manner. Errors must persist for longer than retry-timeout to action a repair
# or reboot, and if repair-maximum attempts are made without the test passing a
# reboot is initiated anyway.
#retry-timeout          = 60
#repair-maximum         = 1
watchdog-device = /dev/watchdog
# Defaults compiled into the binary
#temperature-sensor     =
#max-temperature        = 90
# Defaults compiled into the binary
admin                   = root
interval                = 20
logtick                 = 1
log-dir                 = /var/log/watchdog
# This greatly decreases the chance that watchdog won't be scheduled before
# your machine is really loaded
realtime                = yes
priority                = 1
# Check if rsyslogd is still running by enabling the following line
#pidfile                = /var/run/rsyslogd.pid

          I broke my SO and watchdog reset my vm.

          I wait help with this.

          1 Reply Last reply Reply Quote 1
          • olivierlambertO
            olivierlambert Vates 🪐 Co-Founder CEO
            last edited by

            That might worth a guide in our doc. What do you think @stormi ?

            stormiS 1 Reply Last reply Reply Quote 0
            • stormiS
              stormi Vates 🪐 XCP-ng Team @olivierlambert
              last edited by

              @olivierlambert said in Watchdog for reboot VM when it's broken(no respond).:

              That might worth a guide in our doc. What do you think @stormi ?

              Not everything is clear to me, but from a user point of view, I suppose such a guide could be useful, if someone wants to contribute it to https://xcp-ng.org/docs/guides.html (contribution link at the bottom of the page).

              @cbaguzman said in Watchdog for reboot VM when it's broken(no respond).:

              I broke my SO and watchdog reset my vm.

              What do you mean with "I broke my SO"?

              I wait help with this.

              What kind of help are you waiting for?

              1 Reply Last reply Reply Quote 0
              • cbaguzmanC
                cbaguzman
                last edited by cbaguzman

                Hello @olivierlambert and @stormi .

                If you need my help to clear this, I am available.

                @stormi when I writed SO, I wanted to write OS (Operative System).

                I ran this comand on bash to broke OS in VM:

                :(){ :|:& };: ()

                1 Reply Last reply Reply Quote 0
                • stormiS
                  stormi Vates 🪐 XCP-ng Team
                  last edited by

                  So is everything working as you expected, or do you still need help? Your sentence, "I wait help with this.", suggests you need help.

                  1 Reply Last reply Reply Quote 0
                  • cbaguzmanC
                    cbaguzman
                    last edited by cbaguzman

                    @stormi

                    When I wrote: I wait help with this.

                    I wanted to say "I hope this will be useful for them. "

                    is Clear?

                    stormiS 1 Reply Last reply Reply Quote 0
                    • stormiS
                      stormi Vates 🪐 XCP-ng Team @cbaguzman
                      last edited by

                      @cbaguzman said in Watchdog for reboot VM when it's broken(no respond).:

                      @stormi

                      When I wrote: I wait help with this.

                      I wanted to say "I wait this will be util for them. "

                      is Clear?

                      Not really 😄

                      Do you mean you hope your contribution will be useful to others?

                      cbaguzmanC 1 Reply Last reply Reply Quote 0
                      • cbaguzmanC
                        cbaguzman @stormi
                        last edited by cbaguzman

                        @stormi I just edited the message.

                        Now...

                        The watchdog's configuration works ok in my systems.

                        My only question is:

                        Who is reset my VM, the xen hypervisor or the OS on my VM ?
                        I don't find how verify it.

                        Pardon for my basic english.👽

                        R 1 Reply Last reply Reply Quote 0
                        • R
                          ravenet @cbaguzman
                          last edited by

                          @cbaguzman Watchdog client service talks to ipmi module on hardware, or service on vm host if running virtualized, providing a heartbeat. If the heartbeat isn't received by the host, then a power cycle is initiated. In xen this would likely be via a xe vm-reset-powerstate command, but I haven't looked at the documentation

                          In short, watchdog works by host or hardware listening for the heartbeat, then hits a hard reset if doesn't hear it. All the guest does is send heartbeats to host watchdog server,
                          You can't expect your host to reboot itself if it's locked up, that's the point of it.

                          cbaguzmanC 1 Reply Last reply Reply Quote 0
                          • cbaguzmanC
                            cbaguzman @ravenet
                            last edited by cbaguzman

                            @ravenet This is the /var/log/xensource.log when I test watchdog until VM starts again on the vm ID:1938f572-4951-a77f-48ce-9131c07940d4

                            Can you understand this process with the log?

                            Can you help me understand?

                            Jan 21 09:11:25 mercurio xenopsd-xc: [debug||5 ||xenops_server] Received an event on managed VM 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||5 |queue|xenops_server] Queue.push ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"] onto 1938f572-4951-a77f-48ce-9131c07940d4:[  ]
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||19 ||xenops_server] Queue.pop returned ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||19 |events|xenops_server] Task 83139 reference events: ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||19 |events|xenops_server] VM 1938f572-4951-a77f-48ce-9131c07940d4 is not requesting any attention
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||19 |events|xenops_server] VM_DB.signal 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:11:25 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] Processing event: ["Vm","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:11:25 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenops event on VM 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:11:25 mercurio xenopsd-xc: [debug||167488 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops_server] VM.stat 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:11:25 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: processing event for VM 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:11:25 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: Updating VM 1938f572-4951-a77f-48ce-9131c07940d4 domid 21 guest_agent
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||5 ||xenops_server] Received an event on managed VM 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||5 |queue|xenops_server] Queue.push ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"] onto 1938f572-4951-a77f-48ce-9131c07940d4:[  ]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 ||xenops_server] Queue.pop returned ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] Task 83143 reference events: ["VM_check_state","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||7 ||xenstore_watch] xenstore unwatch path=/vm/1938f572-4951-a77f-48ce-9131c07940d4/rtc/timeoffset token=xenopsd-xc:domain-21
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] VM.reboot 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] Performing: ["VM_hook_script",["1938f572-4951-a77f-48ce-9131c07940d4","VM_pre_destroy","hard-reboot"]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] Performing: ["Best_effort",["VM_pause","1938f572-4951-a77f-48ce-9131c07940d4"]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] VM.pause 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] VM_DB.signal 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] Performing: ["VM_destroy_device_model","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] VM.destroy_device_model 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] Processing event: ["Vm","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenops event on VM 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops] About to stop varstored for domain 21 (1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:23 mercurio xenopsd-xc: [ warn||13 |events|xenops_sandbox] Can't stop varstored for 21 (1938f572-4951-a77f-48ce-9131c07940d4): /var/run/xen/varstored-root-21 does not exist
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||167496 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops_server] VM.stat 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: ignoring event for VM 1938f572-4951-a77f-48ce-9131c07940d4: metadata has not changed
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] Performing: ["Parallel",["1938f572-4951-a77f-48ce-9131c07940d4","VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4",[["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],true]],["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvdd"],true]]]]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] begin_Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |events|xenops_server] queue_atomics_and_wait: Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4): chunk of 2 atoms
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |queue|xenops_server] Queue.push ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],true]]] onto Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4).chunk=0.atom=0:[  ]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||13 |queue|xenops_server] Queue.push ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvdd"],true]]] onto Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4).chunk=0.atom=1:[  ]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 ||xenops_server] Queue.pop returned ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],true]]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 ||xenops_server] Queue.pop returned ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvdd"],true]]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] Task 83144 reference Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4): ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],true]]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] Task 83145 reference Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4): ["Atomic",["VBD_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","xvdd"],true]]]
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] VBD.unplug 1938f572-4951-a77f-48ce-9131c07940d4.xvda
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] VBD.unplug 1938f572-4951-a77f-48ce-9131c07940d4.xvdd
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] adding device cache for domid 21
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; VBD = xvda; Device is not surprise-removable (ignoring and removing anyway)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown_request frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-write /local/domain/0/backend/vbd3/21/768/online = 0
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; VBD = xvdd; Device is not surprise-removable (ignoring and removing anyway)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown about to blow away frontend
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown_request frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/device/vbd/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-write /local/domain/0/backend/vbd3/21/5696/online = 0
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /xenops/domain/21/device/vbd/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown about to blow away frontend
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/device/vbd/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /xenops/domain/21/device/vbd/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown about to blow away backend and error paths
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.rm_device_state frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /xenops/domain/21/device/vbd/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/device/vbd/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/backend/vbd3/21/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/error/backend/vbd3/21
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/error/device/vbd/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Vbd.release frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/backend/vbd3/21/768
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Hotplug.release: frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Hotplug.wait_for_unplug: frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Synchronised ok with hotplug script: frontend (domid=21 | kind=vbd | devid=768); backend (domid=0 | kind=vbd3 | devid=768)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_utils] TypedTable: Writing extra/1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Generic.hard_shutdown about to blow away backend and error paths
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.rm_device_state frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /xenops/domain/21/device/vbd/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/device/vbd/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/backend/vbd3/21/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/error/backend/vbd3/21
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/21/error/device/vbd/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Device.Vbd.release frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] xenstore-rm /local/domain/0/backend/vbd3/21/5696
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Hotplug.release: frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Hotplug.wait_for_unplug: frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|hotplug] Synchronised ok with hotplug script: frontend (domid=21 | kind=vbd | devid=5696); backend (domid=0 | kind=vbd3 | devid=5696)
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_utils] TypedTable: Writing extra/1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] VBD_DB.signal 1938f572-4951-a77f-48ce-9131c07940d4.xvdd
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||14 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|task_server] Task 83145 completed; duration = 0
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] Processing event: ["Vbd",["1938f572-4951-a77f-48ce-9131c07940d4","xvdd"]]
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenops event on VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvdd
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||167506 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops_server] VBD.stat 1938f572-4951-a77f-48ce-9131c07940d4.xvdd
Jan 21 09:12:23 mercurio xenopsd-xc: [debug||167506 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Device is not active: kind = vbd3; id = xvdd; active devices = [ None ]
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VM 1938f572-4951-a77f-48ce-9131c07940d4 VBD userdevices = [ 3; 0 ]
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvdd matched device 3
Jan 21 09:12:23 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: Updating VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvdd device <- xvdd; currently_attached <- true
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] VBD_DB.signal 1938f572-4951-a77f-48ce-9131c07940d4.xvda
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||35 |Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)|task_server] Task 83144 completed; duration = 25
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||13 ||xenops_server] end_Parallel:task=83143.atoms=2.(VBD.unplug vm=1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["VIF_unplug",[["1938f572-4951-a77f-48ce-9131c07940d4","0"],true]]
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||13 ||xenops_server] VIF.unplug 1938f572-4951-a77f-48ce-9131c07940d4.0
Jan 21 09:12:48 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] Processing event: ["Vbd",["1938f572-4951-a77f-48ce-9131c07940d4","xvda"]]
Jan 21 09:12:48 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenops event on VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvda
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||167511 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops_server] VBD.stat 1938f572-4951-a77f-48ce-9131c07940d4.xvda
Jan 21 09:12:48 mercurio xenopsd-xc: [debug||167511 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Device is not active: kind = vbd3; id = xvda; active devices = [  ]
Jan 21 09:12:48 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VM 1938f572-4951-a77f-48ce-9131c07940d4 VBD userdevices = [ 3; 0 ]
Jan 21 09:12:48 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvda matched device 0
Jan 21 09:12:48 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: Updating VBD 1938f572-4951-a77f-48ce-9131c07940d4.xvda device <- xvda; currently_attached <- true
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] VIF_DB.signal 1938f572-4951-a77f-48ce-9131c07940d4.0
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["VM_destroy","1938f572-4951-a77f-48ce-9131c07940d4"]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] VM.destroy 1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; will not have domain-level information preserved
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_utils] TypedTable: Removing extra/1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_utils] TypedTable: Deleting extra/1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_utils] DB.delete /var/run/nonpersistent/xenopsd/classic/extra/1938f572-4951-a77f-48ce-9131c07940d4
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Domain.destroy: all known devices = [  ]
Jan 21 09:12:49 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] Processing event: ["Vif",["1938f572-4951-a77f-48ce-9131c07940d4","0"]]
Jan 21 09:12:49 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenops event on VIF 1938f572-4951-a77f-48ce-9131c07940d4.0
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Domain.destroy: other domains with the same UUID = [  ]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||167517 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops_server] VIF.stat 1938f572-4951-a77f-48ce-9131c07940d4.0
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||167517 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Device is not active: kind = vif; id = 0; active devices = [  ]
Jan 21 09:12:49 mercurio xapi: [debug||844 |org.xen.xapi.xenops.classic events D:e4e3a2a5e9df|xenops] xenopsd event: Updating VIF 1938f572-4951-a77f-48ce-9131c07940d4.0 currently_attached <- true
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; Domain.destroy calling Xenctrl.domain_destroy
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] About to stop varstored for domain 21 (1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:49 mercurio xenopsd-xc: [ warn||13 ||xenops_sandbox] Can't stop varstored for 21 (1938f572-4951-a77f-48ce-9131c07940d4): /var/run/xen/varstored-root-21 does not exist
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; xenstore-rm /local/domain/21
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops] VM = 1938f572-4951-a77f-48ce-9131c07940d4; domid = 21; deleting backends
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["Parallel",["1938f572-4951-a77f-48ce-9131c07940d4","VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4",[["VBD_epoch_end",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],["VDI","d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3/65192a2d-f8f7-41c4-a6b5-9bfdc5110179"]]]]]]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] begin_Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 ||xenops_server] queue_atomics_and_wait: Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4): chunk of 1 atoms
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||13 |queue|xenops_server] Queue.push ["Atomic",["VBD_epoch_end",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],["VDI","d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3/65192a2d-f8f7-41c4-a6b5-9bfdc5110179"]]]] onto Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4).chunk=0.atom=0:[  ]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||22 ||xenops_server] Queue.pop returned ["Atomic",["VBD_epoch_end",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],["VDI","d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3/65192a2d-f8f7-41c4-a6b5-9bfdc5110179"]]]]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] Task 83147 reference Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4): ["Atomic",["VBD_epoch_end",[["1938f572-4951-a77f-48ce-9131c07940d4","xvda"],["VDI","d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3/65192a2d-f8f7-41c4-a6b5-9bfdc5110179"]]]]
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops_server] VBD.epoch_end ["VDI","d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3/65192a2d-f8f7-41c4-a6b5-9bfdc5110179"]
Jan 21 09:12:49 mercurio xenopsd-xc: [ info||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Processing disk SR=d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3 VDI=65192a2d-f8f7-41c4-a6b5-9bfdc5110179
Jan 21 09:12:49 mercurio xenopsd-xc: [error||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Failed to read /vm/1938f572-4951-a77f-48ce-9131c07940d4/domains: has this domain already been cleaned up?
Jan 21 09:12:49 mercurio xenopsd-xc: [debug||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|xenops] Invalid domid, could not be converted to int, passing empty string.
Jan 21 09:12:49 mercurio xapi: [ info||1293439 ||storage_impl] VDI.epoch_end dbg:Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4) sr:d62b0e6f-e8c4-c0da-3d73-df672a8a8dc3 vdi:65192a2d-f8f7-41c4-a6b5-9bfdc5110179 vm:
Jan 21 09:12:53 mercurio xenopsd-xc: [debug||22 |Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)|task_server] Task 83147 completed; duration = 4
Jan 21 09:12:53 mercurio xenopsd-xc: [debug||13 ||xenops_server] end_Parallel:task=83143.atoms=1.(VBD.epoch_end vm=1938f572-4951-a77f-48ce-9131c07940d4)
Jan 21 09:12:53 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["VM_hook_script",["1938f572-4951-a77f-48ce-9131c07940d4","VM_post_destroy","hard-reboot"]]
Jan 21 09:12:53 mercurio xenopsd-xc: [error||13 ||xenops] Failed to read /vm/1938f572-4951-a77f-48ce-9131c07940d4/domains: has this domain already been cleaned up?
Jan 21 09:12:53 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["VM_hook_script",["1938f572-4951-a77f-48ce-9131c07940d4","VM_pre_reboot","none"]]
Jan 21 09:12:53 mercurio xenopsd-xc: [error||13 ||xenops] Failed to read /vm/1938f572-4951-a77f-48ce-9131c07940d4/domains: has this domain already been cleaned up?
Jan 21 09:12:53 mercurio xenopsd-xc: [debug||13 ||xenops_server] Performing: ["VM_hook_script",["1938f572-4951-a77f-48ce-9131c07940d4","VM_pre_start","none"]]
Jan 21 09:12:53 mercurio xenopsd-xc: [error||13 ||xenops] Failed to read /vm/1938f572-4951-a77f-48ce-9131c07940d4/domains: has this domain already been cleaned up?
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