XCP-ng 8.3 updates announcements and testing
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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.xcpng8.3sm: 3.2.12-17.6.xcpng8.3 -> 3.2.12-17.7.xcpng8.3xapi: 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 rebootThe 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
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@stormi Updates deployed, no issues so far.
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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)" -
@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?
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@Danp
I got XOA appliance with trial license for our lab.
Release channels: latest
Current version: 6.4.0I 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)" -
@stormi installed updates. Did some backups and VM migrations between various storages (bad and qcow2) looks good so far.
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@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.
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@IgorGlock Hello,
Could you share the exception that should be in
/var/log/SMlog? -
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
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Congrats to everyone on those, it was a huge amount of work, test, and as usual, great community feedback!
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