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    XCP-ng 8.3 updates announcements and testing

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    • acebmxerA Offline
      acebmxer @stormi
      last edited by

      @stormi

      Well I just ran rolling pool update on my 2 host home lab. I wanted to watch to make sure there were no issues. Of coarse I got distracted. Only to come back and find both host updated and running. Will continue to monitor.

      F 1 Reply Last reply Reply Quote 2
      • F Offline
        flakpyro @acebmxer
        last edited by

        Updates deployed, no issues so far.

        1 Reply Last reply Reply Quote 3
        • stormiS Offline
          stormi Vates 🪐 XCP-ng Team @manilx
          last edited by

          @manilx said:

          @stormi Updated 2 pools @office but on both RPU failed after updating master and emptying secondary host. Had to install patches manually and then move VM's back......

          Have you kept the logs?

          M 1 Reply Last reply Reply Quote 0
          • M Offline
            manilx @stormi
            last edited by manilx

            @stormi Did not check logs but if you tell me what to look for I can.
            In config-logs on XOA there is nothing relevant.

            M 1 Reply Last reply Reply Quote 0
            • M Offline
              MajorP93 @manilx
              last edited by MajorP93

              I updated both my test and production XCP-ng environments.

              No issues during updates on all 6 hosts.

              M 1 Reply Last reply Reply Quote 2
              • M Offline
                manilx @MajorP93
                last edited by

                @MajorP93 Pls note that the updates had no issues. Just the RPU did not complete. 2 different things.....

                M 1 Reply Last reply Reply Quote 0
                • M Offline
                  MajorP93 @manilx
                  last edited by

                  @manilx It's absolutely clear to me that the method of installing updates and the changes provided by the updated packages are 2 different things.
                  I was not commenting on your message but rather sharing my own experience with this round of patches as this thread is generally related to XCP-ng patches.

                  M 1 Reply Last reply Reply Quote 0
                  • M Offline
                    manilx @MajorP93
                    last edited by

                    @MajorP93 As you replied to my message and not to stormi.... Just wanted to clear up any misunderstanding.

                    M 1 Reply Last reply Reply Quote 0
                    • M Offline
                      MajorP93 @manilx
                      last edited by MajorP93

                      @manilx No I did not. I replied to this thread in general not to your post. When looking at the answers to your specific post where you reported the RPU issue I can only see 1 reply which was written by Stormi (asking for logs).

                      Going forward: you can identify replies to your posts by either looking at posts that quoted your message or tagged your username using the @ character.

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

                        Yes, new update candidates, again!

                        This is, in theory, the very last round of fixes before QCOW2 support comes as an official update!

                        What changed

                        Storage

                        • sm + blktap:
                          • Fix a never ending coalesce task and an associated tapdisk crash which would leave the QCOW2 VDI corrupted. Thanks @emerson for reporting the issue!
                          • Attempting to migrate a QCOW2 towards a SR that supports QCOW2 but prefers VHD will now automatically create a QCOW2 disk at the destination if the disk is bigger than 2 TiB. Previously, it was documented as a known issue that it would attempt to create a VHD and fail.
                          • Another known issue fixed: attempting to resize a QCOW2 VDI with a snapshot on a LVM-based SR no longer fails.
                        • xapi:
                          • prevent long migrations for failing due to expiring XAPI session.
                          • More security fixes related to XSA-489.

                        Versions:

                        • blktap: 3.55.5-6.6.xcpng8.3 -> 3.55.5-6.7.xcpng8.3
                        • sm: 3.2.12-17.6.xcpng8.3 -> 3.2.12-17.7.xcpng8.3
                        • xapi: 26.1.3-1.9.xcpng8.3 -> 26.1.3-1.10.xcpng8.3

                        Test on XCP-ng 8.3

                        If you are using XOSTOR, please refer to our documentation for the update method.

                        yum clean metadata --enablerepo=xcp-ng-testing,xcp-ng-candidates
                        yum update --enablerepo=xcp-ng-testing,xcp-ng-candidates
                        reboot
                        

                        The usual update rules apply: pool coordinator first, etc.

                        What to test

                        Anything related to storage, be it with VHD or QCOW2 disks.

                        Test window before official release of the updates

                        ~3 days

                        F B 2 Replies Last reply Reply Quote 1
                        • F Offline
                          flakpyro @stormi
                          last edited by

                          @stormi Updates deployed, no issues so far.

                          1 Reply Last reply Reply Quote 2
                          • I Offline
                            IgorGlock
                            last edited by

                            I could reproduce a bug: cloning a VDI (fast and slow) from SR-1 to SR-2 does not work.
                            I got a pool, current qcow2 (xcp-ng-testing,xcp-ng-candidates), a template (vm), two SR attached via FC HBA, everything else works fine.

                            	
                            id	"0moocnjj4-jmge69z174"
                            properties	
                            method	"vm.create"
                            params	
                            acls	[]
                            clone	false
                            existingDisks	
                            0	
                            name_label	"xcpwin-vm-200.lab.testing.company.net C"
                            name_description	"Created by XO"
                            size	64424509440
                            $SR	"e69a6183-dc17-5b0e-0794-50ee8f57c521"
                            name_label	"xcpwin-vm-200.lab.testing.company.net"
                            template	"671e59e0-f59d-fd96-7426-9886ad9b8ee3"
                            VDIs	[]
                            VIFs	
                            0	
                            network	"261a821c-a373-ba36-2c44-487ed0e1a202"
                            allowedIpv4Addresses	[]
                            allowedIpv6Addresses	[]
                            CPUs	4
                            cpusMax	4
                            cpuWeight	null
                            cpuCap	null
                            name_description	"Test VM"
                            memory	4294967296
                            bootAfterCreate	true
                            copyHostBiosStrings	false
                            createVtpm	false
                            destroyCloudConfigVdiAfterBoot	false
                            secureBoot	false
                            share	false
                            coreOs	false
                            tags	[]
                            hvmBootFirmware	"uefi"
                            name	"API call: vm.create"
                            userId	"5f5f1e9c-c928-4898-ab88-62b201698476"
                            type	"api.call"
                            start	1777726828192
                            status	"failure"
                            updatedAt	1777727473136
                            end	1777727473136
                            result	
                            code	"INTERNAL_ERROR"
                            params	
                            0	"Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))])"
                            task	
                            uuid	"cc16d4ba-ce10-58ef-10c0-808872ec30ca"
                            name_label	"Async.VDI.pool_migrate"
                            name_description	""
                            allowed_operations	[]
                            current_operations	{}
                            created	"20260502T13:08:44Z"
                            finished	"20260502T13:10:25Z"
                            status	"failure"
                            resident_on	"OpaqueRef:6cac1d11-e91e-5288-8ec8-3d84e6288952"
                            progress	1
                            type	"<none/>"
                            result	""
                            error_info	
                            0	"INTERNAL_ERROR"
                            1	"Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))])"
                            other_config	{}
                            subtask_of	"OpaqueRef:NULL"
                            subtasks	[]
                            backtrace	"(((process xapi)(filename ocaml/xapi/xapi_vm_migrate.ml)(line 1815))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/xapi_vm_migrate.ml)(line 2105))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/xapi_vm_migrate.ml)(line 2095))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 141))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/rbac.ml)(line 228))((process xapi)(filename ocaml/xapi/rbac.ml)(line 238))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 78)))"
                            message	"INTERNAL_ERROR(Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))]))"
                            name	"XapiError"
                            stack	"XapiError: INTERNAL_ERROR(Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))]))\n    at Function.wrap (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/_XapiError.mjs:16:12)\n    at default (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/_getTaskResult.mjs:13:29)\n    at Xapi._addRecordToCache (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1078:24)\n    at file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1112:14\n    at Array.forEach (<anonymous>)\n    at Xapi._processEvents (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1102:12)\n    at Xapi._watchEvents (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1275:14)"
                            
                            DanpD dthenotD 2 Replies Last reply Reply Quote 1
                            • DanpD Offline
                              Danp Pro Support Team @IgorGlock
                              last edited by

                              @IgorGlock Thanks for the report. Can you elaborate on the exact steps required to reproduce this? Also, are you running XOA or XO from sources? Which version or commit?

                              I 1 Reply Last reply Reply Quote 1
                              • I Offline
                                IgorGlock @Danp
                                last edited by

                                @Danp
                                I got XOA appliance with trial license for our lab.
                                Release channels: latest
                                Current version: 6.4.0

                                I removed the 2 SR and created them new, use qcow2 again. VM migration from SR-1 to SR-2 failed too.

                                	
                                id	"0mopksrzz-rnu1secaodl"
                                properties	
                                method	"vm.migrate"
                                params	
                                vm	"64b89180-1f63-3625-4f92-efb5cc15b9d6"
                                sr	"81a41e32-49e5-0f5f-7692-2fc49ec875a2"
                                targetHost	"253ea664-09bf-4212-a3b8-f1588406190e"
                                name	"API call: vm.migrate"
                                userId	"5f5f1e9c-c928-4898-ab88-62b201698476"
                                type	"api.call"
                                start	1777800975551
                                status	"failure"
                                updatedAt	1777801141331
                                infos	
                                0	
                                message	"migration with storage motion"
                                warnings	
                                0	
                                data	
                                host	"253ea664-09bf-4212-a3b8-f1588406190e"
                                sr	"81a41e32-49e5-0f5f-7692-2fc49ec875a2"
                                message	"host have no PBD in the SR"
                                1	
                                data	
                                host	"253ea664-09bf-4212-a3b8-f1588406190e"
                                sr	"81a41e32-49e5-0f5f-7692-2fc49ec875a2"
                                message	"host have no PBD in the SR"
                                end	1777801141331
                                result	
                                code	"INTERNAL_ERROR"
                                params	
                                0	"Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))])"
                                task	
                                uuid	"af35352c-cdbc-0567-8ccc-167d636bff11"
                                name_label	"Async.VM.migrate_send"
                                name_description	""
                                allowed_operations	[]
                                current_operations	{}
                                created	"20260503T09:36:15Z"
                                finished	"20260503T09:39:01Z"
                                status	"failure"
                                resident_on	"OpaqueRef:0d7b2e70-c99b-cf1c-7a54-c98d1916af44"
                                progress	1
                                type	"<none/>"
                                result	""
                                error_info	
                                0	"INTERNAL_ERROR"
                                1	"Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))])"
                                other_config	{}
                                subtask_of	"OpaqueRef:NULL"
                                subtasks	[]
                                backtrace	"(((process xapi)(filename ocaml/xapi/xapi_vm_migrate.ml)(line 1815))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 141))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 24))((process xapi)(filename ocaml/libs/xapi-stdext/lib/xapi-stdext-pervasives/pervasiveext.ml)(line 39))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 2650))((process xapi)(filename ocaml/xapi/rbac.ml)(line 228))((process xapi)(filename ocaml/xapi/rbac.ml)(line 238))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 78)))"
                                message	"INTERNAL_ERROR(Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))]))"
                                name	"XapiError"
                                stack	"XapiError: INTERNAL_ERROR(Storage_error ([S(Internal_error);S(Storage_error ([S(Migration_preparation_failure);S(Storage_error ([S(Backend_error);[S(SR_BACKEND_FAILURE_1200);[S();S(list index out of range);S()]]]))]))]))\n    at Function.wrap (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/_XapiError.mjs:16:12)\n    at default (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/_getTaskResult.mjs:13:29)\n    at Xapi._addRecordToCache (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1078:24)\n    at file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1112:14\n    at Array.forEach (<anonymous>)\n    at Xapi._processEvents (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1102:12)\n    at Xapi._watchEvents (file:///usr/local/lib/node_modules/xo-server/node_modules/xen-api/index.mjs:1275:14)"
                                
                                DanpD 1 Reply Last reply Reply Quote 1
                                • B Offline
                                  bufanda @stormi
                                  last edited by

                                  @stormi installed updates. Did some backups and VM migrations between various storages (bad and qcow2) looks good so far.

                                  1 Reply Last reply Reply Quote 1
                                  • DanpD Offline
                                    Danp Pro Support Team @IgorGlock
                                    last edited by

                                    @IgorGlock Are you able to open the support tunnel for us to investigate? You can either post the tunnel ID here or open a support ticket.

                                    1 Reply Last reply Reply Quote 0
                                    • dthenotD Offline
                                      dthenot Vates 🪐 XCP-ng Team @IgorGlock
                                      last edited by

                                      @IgorGlock Hello,

                                      Could you share the exception that should be in /var/log/SMlog?

                                      1 Reply Last reply Reply Quote 0
                                      • I Offline
                                        IgorGlock
                                        last edited by

                                        Hello,

                                        I deleted the entire XOA and downloaded fresh image, recreated configuration and blank SR.
                                        The issue is gone. I will test some VDI migrations this week.

                                        There are is some performance impact and timeouts when creating 100-200 VMs on single 10 TB SR. I use xo-cli vm.create script. See you later 🙂

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

                                          Not one, but two blog posts, today!

                                          https://xcp-ng.org/blog/2026/05/05/april-2026-security-and-maintenance-updates-for-xcp-ng-8-3-lts-2/
                                          https://xcp-ng.org/blog/2026/05/05/qcow2-is-now-ga-in-xcp-ng/

                                          1 Reply Last reply Reply Quote 4
                                          • olivierlambertO Offline
                                            olivierlambert Vates 🪐 Co-Founder CEO
                                            last edited by

                                            Congrats to everyone on those, it was a huge amount of work, test, and as usual, great community feedback!

                                            1 Reply Last reply Reply Quote 2

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