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    XCP-ng 8.3 betas and RCs feedback 🚀

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    • Tristis OrisT
      Tristis Oris
      last edited by Tristis Oris

      not sure is it XO or Xen issue.
      8.3 release. i changed pool master and now it unavailable.

      master
      befc6f89-ffc1-4328-baa5-53b4f38b5bf3-image.png

      hosts
      f4edd025-e5f4-4e66-9fc4-6098eff0da0c-image.png

      Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] lock: opening lock file /var/lock/sm/5cceb02b-bda5-85d1-10c1-b5dfe4fbf66a/sr
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] Setting LVM_DEVICE to /dev/disk/by-scsid/36e43ec6100f01acf292713f000000006
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] lock: opening lock file /var/lock/sm/845ef0aa-7561-9253-b9fa-0b862c145c54/sr
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] LVMCache created for VG_XenStorage-845ef0aa-7561-9253-b9fa-0b862c145c54
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper acquired
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper sent '420301 - 77059.294148651hz#006��^?'
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] ['/sbin/vgs', '--readonly', 'VG_XenStorage-845ef0aa-7561-9253-b9fa-0b862c145c54']
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301]   pread SUCCESS
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper released
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] Entering _checkMetadataVolume
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] LVMCache: will initialize now
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] LVMCache: refreshing
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper acquired
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper sent '420301 - 77059.464449994hz#006��^?'
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] ['/sbin/lvs', '--noheadings', '--units', 'b', '-o', '+lv_tags', '/dev/VG_XenStorage-845ef0aa-7561-9253-b9fa-0b862c145c54']
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301]   pread SUCCESS
Oct 11 12:12:00 rpsrv-cas-caph fairlock[3895]: /run/fairlock/devicemapper released
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] Targets 1 and iscsi_sessions 1
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] lock: closed /var/lock/sm/5cceb02b-bda5-85d1-10c1-b5dfe4fbf66a/sr
Oct 11 12:12:00 rpsrv-cas-caph SM: [420301] lock: closed /var/lock/sm/845ef0aa-7561-9253-b9fa-0b862c145c54/sr
Oct 11 12:22:19 rpsrv-cas-caph SM: [423642] Raising exception [150, Failed to initialize XMLRPC connection]
Oct 11 12:22:19 rpsrv-cas-caph SM: [423642] Unable to open local XAPI session
      stormiS yannY 2 Replies Last reply Reply Quote 0
      • stormiS
        stormi Vates 🪐 XCP-ng Team @Tristis Oris
        last edited by

        @Tristis-Oris

        1. Is that on the released version of XCP-ng 8.3?
        2. What steps did you follow to change the pool master and why? Was it in the middle of the pool upgrade?
        3. check xensource.log around the time of the XAPI startup.
        Tristis OrisT 1 Reply Last reply Reply Quote 0
        • Tristis OrisT
          Tristis Oris @stormi
          last edited by

          @stormi

          1. release version.
          2. fresh pool installation. no tasks, just master change via XO.
          $
Oct 11 13:26:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 1213142
Oct 11 13:26:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 1772032
Oct 11 13:26:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 558699
Oct 11 13:29:38 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] client cert verification 172.29.1.153:443: SNI=pool path=/etc/stun$
Oct 11 13:29:38 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel: stunnel start\x0A
Oct 11 13:29:38 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] Started a client (pid:45316): -> 172.29.1.153:443
Oct 11 13:29:38 rpsrv-cas-navi xapi: [ info||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel disconnected fd_closed=true proc_quit=false
Oct 11 13:29:38 rpsrv-cas-navi xapi: [error||0 |bringing up management interface D:56aeb415b10f|master_connection] Caught Xapi_database.Master_connection.Goto_handler
Oct 11 13:29:38 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] Sleeping 256.000000 seconds before retrying master conne$
Oct 11 13:29:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 854843
Oct 11 13:29:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 880128
Oct 11 13:29:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 25284
Oct 11 13:32:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 1571266
Oct 11 13:32:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 1772032
Oct 11 13:32:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 200761
Oct 11 13:33:54 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] client cert verification 172.29.1.153:443: SNI=pool path=/etc/stun$
Oct 11 13:33:54 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel: stunnel start\x0A
Oct 11 13:33:54 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] Started a client (pid:46379): -> 172.29.1.153:443
Oct 11 13:33:54 rpsrv-cas-navi xapi: [ info||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel disconnected fd_closed=true proc_quit=false
Oct 11 13:33:54 rpsrv-cas-navi xapi: [error||0 |bringing up management interface D:56aeb415b10f|master_connection] Caught Xapi_database.Master_connection.Goto_handler
Oct 11 13:33:54 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] Sleeping 256.000000 seconds before retrying master conne$
Oct 11 13:35:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 935099
Oct 11 13:35:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 1012224
Oct 11 13:35:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 77123
Oct 11 13:38:10 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] client cert verification 172.29.1.153:443: SNI=pool path=/etc/stun$
Oct 11 13:38:10 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel: stunnel start\x0A
Oct 11 13:38:10 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|stunnel] Started a client (pid:47395): -> 172.29.1.153:443
Oct 11 13:38:10 rpsrv-cas-navi xapi: [ info||0 |bringing up management interface D:56aeb415b10f|master_connection] stunnel disconnected fd_closed=true proc_quit=false
Oct 11 13:38:10 rpsrv-cas-navi xapi: [error||0 |bringing up management interface D:56aeb415b10f|master_connection] Caught Xapi_database.Master_connection.Goto_handler
Oct 11 13:38:10 rpsrv-cas-navi xapi: [debug||0 |bringing up management interface D:56aeb415b10f|master_connection] Sleeping 256.000000 seconds before retrying master conne$
Oct 11 13:38:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 1213031
Oct 11 13:38:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 1772032
Oct 11 13:38:52 rpsrv-cas-navi xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 558790
          Tristis OrisT 1 Reply Last reply Reply Quote 0
          • Tristis OrisT
            Tristis Oris @Tristis Oris
            last edited by Tristis Oris

            @Tristis-Oris i tried to remove host from pool or change master, but can't execute even xe host-list with endless timeout

            done with

            xe pool-emergency-transition-to-master
xe pool-recover-slaves

            all vms at dead master counts as running, so i can't run them again.

            and can't forget host "code": "HOST_HAS_RESIDENT_VMS",

            upd
            need to reset vms with
            xe vm-reset-powerstate uuid=*** --force then forget host.

            1 Reply Last reply Reply Quote 0
            • yannY
              yann Vates 🪐 XCP-ng Team @Tristis Oris
              last edited by

              @Tristis-Oris is the xapi daemon still running? daemon.log and xensource.log around the time you changed the master could give more insight?

              Tristis OrisT 1 Reply Last reply Reply Quote 0
              • Tristis OrisT
                Tristis Oris @yann
                last edited by

                @yann

                Oct 11 16:05:51 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:05:55 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:05:55 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:05:59 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:05:59 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:06:03 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:06:03 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:06:07 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:06:07 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:06:11 rpsrv-cas-caph systemd[1]: Created slice User Slice of root.
Oct 11 16:06:11 rpsrv-cas-caph systemd[1]: Starting User Slice of root.
Oct 11 16:06:11 rpsrv-cas-caph systemd[1]: Started Session c9 of user root.
Oct 11 16:06:11 rpsrv-cas-caph systemd[1]: Starting Session c9 of user root.
Oct 11 16:06:11 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:06:11 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:06:15 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:06:15 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$
Oct 11 16:06:19 rpsrv-cas-caph xapi-nbd[16958]: Caught: Unix.Unix_error(Unix.ECONNREFUSED, "connect", "")
Oct 11 16:06:19 rpsrv-cas-caph xapi-nbd[16958]: main: Failed to log in via xapi's Unix domain socket: Unix.Unix_error(Unix.ECONNREFUSED, "connect", ""); retrying in 4.0000$

                Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 14/20 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasi$
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 15/20 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasi$
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 16/20 xapi Called from file ocaml/xapi/server_helpers.ml, line 67
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 17/20 xapi Called from file ocaml/xapi/server_helpers.ml, line 94
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 18/20 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasi$
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 19/20 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasi$
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace] 20/20 xapi Called from file ocaml/libs/log/debug.ml, line 250
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 |server_init D:b092c49f7d0d|backtrace]
Oct 11 16:02:49 rpsrv-cas-caph xapi: [ warn||0 |server_init D:b092c49f7d0d|startup] task [Synchronising host configuration files] exception: Pool_role.This_host_is_broken
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] server_init D:b092c49f7d0d failed with exception Pool_role.This_host_is_broken
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] Raised Pool_role.This_host_is_broken
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 1/15 xapi Raised at file ocaml/libs/log/debug.ml, line 267
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 2/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 3/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 39
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 4/15 xapi Called from file ocaml/xapi/server_helpers.ml, line 186
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 5/15 xapi Called from file ocaml/xapi/startup.ml, line 95
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 6/15 xapi Called from file ocaml/xapi/startup.ml, line 103
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 7/15 xapi Called from file list.ml, line 110
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 8/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 9/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 39
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 10/15 xapi Called from file ocaml/xapi/xapi.ml, line 1081
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 11/15 xapi Called from file ocaml/xapi/server_helpers.ml, line 67
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 12/15 xapi Called from file ocaml/xapi/server_helpers.ml, line 94
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 13/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 14/15 xapi Called from file ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml, line 39
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 15/15 xapi Called from file ocaml/libs/log/debug.ml, line 250
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace]
Oct 11 16:02:49 rpsrv-cas-caph xapi: [debug||0 ||xapi] xapi top-level caught exception: INTERNAL_ERROR: [ Pool_role.This_host_is_broken ]
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] Raised Pool_role.This_host_is_broken
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace] 1/1 xapi Raised at file (Thread 0 has no backtrace table. Was with_backtraces called?, line 0
Oct 11 16:02:49 rpsrv-cas-caph xapi: [error||0 ||backtrace]
Oct 11 16:04:12 rpsrv-cas-caph xcp-rrdd: [ info||7 ||rrdd_main] GC live_words = 743602
Oct 11 16:04:12 rpsrv-cas-caph xcp-rrdd: [ info||7 ||rrdd_main] GC heap_words = 1795584
Oct 11 16:04:12 rpsrv-cas-caph xcp-rrdd: [ info||7 ||rrdd_main] GC free_words = 1051903
                yannY 1 Reply Last reply Reply Quote 0
                • Tristis OrisT
                  Tristis Oris
                  last edited by

                  also with two 8.3 pools, i have tons of logs everywhere.
                  that for last 1 hour.

                  98070b0a-93ce-47a4-8e58-7355231dd8e3-image.png

                  1 Reply Last reply Reply Quote 0
                  • yannY
                    yann Vates 🪐 XCP-ng Team @Tristis Oris
                    last edited by

                    @Tristis-Oris Pool_role.This_host_is_broken is a bit scary, and more logs will be needed to understand how it got there. I'm trying to follow the same procedure as you to request the right lines - how exactly did you perform the master change?

                    Tristis OrisT 1 Reply Last reply Reply Quote 0
                    • Tristis OrisT
                      Tristis Oris @yann
                      last edited by Tristis Oris

                      @yann pool>advanced>master.
                      Fresh xen installation, wait some time after joining last host, then changed master. Balancer disabled, no updates, few VMs runing on all hosts.

                      only one thing, master change don't work at 1st attempt - just nothing happens. Looks like task been canceled , so i repeat it again after some time.

                      i don't think it totaly broken, maybe something happens at same time. but never got that issue before.

                      yannY 1 Reply Last reply Reply Quote 0
                      • yannY
                        yann Vates 🪐 XCP-ng Team @Tristis Oris
                        last edited by

                        @Tristis-Oris said in XCP-ng 8.3 betas and RCs feedback 🚀:

                        then changed master

                        Could you please detail that part a bit more? I understand you used XO, but which screen and which action?

                        Tristis OrisT 1 Reply Last reply Reply Quote 0
                        • Tristis OrisT
                          Tristis Oris @yann
                          last edited by

                          @yann 3a255a6e-39f2-4610-8b71-bccc72688268-image.png

                          yannY 1 Reply Last reply Reply Quote 0
                          • N
                            nomad @nomad
                            last edited by

                            @Greg_E I forgot to mention a potentially important step just before the reimage from BIOS -> UEFI.

                            After you've drained the host disconnect it from the pool.

                            so:
                            reimage all hosts in whatever mode they're in
                            migrate all VMs from the target to be changed to UEFI
                            disconnect said target from the pool
                            reimage target with UEFI boot
                            reconnect target to the pool

                            nomad

                            1 Reply Last reply Reply Quote 0
                            • yannY
                              yann Vates 🪐 XCP-ng Team @Tristis Oris
                              last edited by yann

                              @Tristis-Oris thanks!

                              I realize one thing is not clear to me: is the "unreachable master" in your situation the one you switched to, or the original master? And how many hosts in total are in this pool when you launch this operation?

                              The logs we'll need to analyze will be the xensource.log from the first occurrence of designate_new_master on both old and new master, until the time of that exception.

                              Tristis OrisT 1 Reply Last reply Reply Quote 0
                              • Tristis OrisT
                                Tristis Oris @yann
                                last edited by

                                @yann new one.

                                new part1 https://pastebin.com/ij0B7KHy
                                new part2 https://pastebin.com/0tQyvesY
                                old https://pastebin.com/dvAkEEbY

                                yannY 1 Reply Last reply Reply Quote 0
                                • Tristis OrisT
                                  Tristis Oris
                                  last edited by Tristis Oris

                                  on 8.3 pool more and more VMs became attached to Control Domain. Backups fail due VDI_IN_USE.

                                  can't unplug vdi:
                                  xe vbd-list vm-uuid=***
                                  xe vbd-unplug uuid=***
                                  The server failed to handle your request, due to an internal error. The given message may give details useful for debugging the problem.
                                  message: Expected 0 or 1 VDI with datapath, had 5

                                  can't migrate to 8.2 pool due incompatible versions.

                                  and already got coalesce on VM without backup.

                                  upd
                                  removed all stuck vdi, but sr coalesce won't move.

                                  Tristis OrisT 1 Reply Last reply Reply Quote 0
                                  • Tristis OrisT
                                    Tristis Oris @Tristis Oris
                                    last edited by

                                    @Tristis-Oris after i fixed all dom0 stuck VDIs, backup succeed once and now stuck again.

                                    yannY 1 Reply Last reply Reply Quote 0
                                    • yannY
                                      yann Vates 🪐 XCP-ng Team @Tristis Oris
                                      last edited by

                                      @Tristis-Oris very strange, your log seems to show that 2 designate_new_master requests were handled one after the other (at 12:11:33 and 12:12:45), both to switch to the same host - and we see in the logs that while the 1st one got all phases executed (1, 2.1, 2.2), the second one starts to have issues during "Phase 2.1: telling everyone but me to commit". Sending a second request should indeed not trigger the whole thing again, so something apparently went quite wrong, but what is indeed not obvious.

                                      Tristis OrisT 1 Reply Last reply Reply Quote 0
                                      • Tristis OrisT
                                        Tristis Oris @yann
                                        last edited by

                                        @yann so, i don't get indication about running master change and was able to run it again.

                                        yannY 1 Reply Last reply Reply Quote 0
                                        • yannY
                                          yann Vates 🪐 XCP-ng Team @Tristis Oris
                                          last edited by

                                          @Tristis-Oris Oh OK. Had a try to run it several times myself (though on a 2-host pool), and I was able to see the operation performed twice, though apparently the second op did finish.
                                          Running from the shell, if launch a second xe pool-designate-new-master while the first has not returned yet, it gets a DESIGNATE_NEW_MASTER_IN_PROGRESS error, but once it has returned there seem to be a window to do strange things.

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                                          • yannY
                                            yann Vates 🪐 XCP-ng Team @Tristis Oris
                                            last edited by

                                            @Tristis-Oris and with a 3-host pool I can reproduce you issue on 2nd attempt: new master loses its xapi process

                                            When the master is changed, the xapi service is stopped and then restarted but something seems to get wrong this time.

                                            Among issues I realize that my former-master shows this at the time of the failing switch:

                                            Oct 14 15:20:50 xcpng83-bzkcpvhy xsh: [ warn||0 ||xsh] TLS verification is disabled on this host: /var/xapi/verify-certificates is absent

                                            (while both other hosts do have that file)

                                            daemon.log on new-master shows systemd desperately trying to restart xapi:

                                            Oct 14 15:20:59 xcp-ng-hqerhcgv xapi-init[1244028]: Stopping xapi: [  OK  ]
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: Unit xapi.service entered failed state.
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: xapi.service failed.
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: xapi.service holdoff time over, scheduling restart.
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: Cannot add dependency job for unit lvm2-activation.service, ignoring: Unit is masked.
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: Cannot add dependency job for unit lvm2-activation-early.service, ignoring: Unit is masked.
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: Starting XenAPI server (XAPI)...
Oct 14 15:20:59 xcp-ng-hqerhcgv systemd[1]: Started XenAPI server (XAPI).
Oct 14 15:20:59 xcp-ng-hqerhcgv xapi-init[1244047]: Starting xapi:
Oct 14 15:21:00 xcp-ng-hqerhcgv systemd[1]: xapi.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Oct 14 15:21:00 xcp-ng-hqerhcgv xapi-init[1244078]: Stopping xapi: [  OK  ]

                                            and xensource.log is very similar to yours. Congrats, that's a nice bug 🙂

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