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    XCP-ng 8.3 betas and RCs feedback 🚀

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    • Tristis OrisT
      Tristis Oris
      last edited by

      weird that i got warning even with UEFI enabled.

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

        @Greg_E All answers are actually in the release notes: https://docs.xcp-ng.org/releases/release-8-3/#legacy-bios

        The deprecation decision comes from XenServer. Whether we'll follow the same schedule as them is yet to be decided, also depending on when they remove its support completely.

        1 Reply Last reply Reply Quote 0
        • A
          Andrew Top contributor @john.c
          last edited by

          @john-c No UEFI on HP DL Gen8.... it too bad because they work just fine. HP DL Gen9 servers support UEFI boot. By the time XCP 9.x rolls around it will be time to trash the G8 machines anyway. But lack of BIOS boot will limit cheap lab/home machines...

          1 Reply Last reply Reply Quote 0
          • G
            Greg_E @john.c
            last edited by

            @john-c

            HP says Gen9 has UEFI, and probably those are now in the $200 shipped range with 40 threads and 128gb of RAM like the gen8 were when I bought them.

            I'll have to upgrade at some point, probably going to be a mini system next time.

            As an FYI, I think Vsphere8 products require UEFI, I saw a notice in the instructions about this, haven't installed yet. Yes testing the competition and mostly for experience migrating off of VMware.

            J 1 Reply Last reply Reply Quote 0
            • J
              john.c @Greg_E
              last edited by john.c

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

              @john-c

              HP says Gen9 has UEFI, and probably those are now in the $200 shipped range with 40 threads and 128gb of RAM like the gen8 were when I bought them.

              I'll have to upgrade at some point, probably going to be a mini system next time.

              As an FYI, I think Vsphere8 products require UEFI, I saw a notice in the instructions about this, haven't installed yet. Yes testing the competition and mostly for experience migrating off of VMware.

              Bargain Hardware carries a HPE DL360 Gen9 for only £80, a HPE DL380 Gen9 for £80 and a HPE DL560 Gen9 for £237. Check them out! https://www.bargainhardware.co.uk

              I used them for my Home Lab's Dell PowerEdge servers, they are really good. I haven't had problems with them or their products if I do they are very good at helping out. Also are a good source for access to components and upgrades which are hard to get!

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

                @Greg_E I saw a similar thing and dealt with it thusly:

                Upgrade the master in BIOS to preserve the configuration
                Upgrade second (only other, in this case) host in the pool using UEFI boot
                Migrate 'master' status to the second host
                re-install the first host with UEFI, re-join it to the pool.

                Before doing this take careful note of the xe pool-enable-tls-verification mentioned in the release notes. You won't be able to join the cleanly reinstalled host without it.

                Typing 'master' so many times has me wishing we had a better word for the pool coordinator.

                G N 2 Replies Last reply Reply Quote 0
                • G
                  Greg_E @nomad
                  last edited by

                  @nomad

                  Thanks. I will eventually need to do this on my production system, thankfully it is new hardware and should be good until I retire (next guy's problem).

                  1 Reply Last reply Reply Quote 0
                  • 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

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                                          • 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.

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