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Bug
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Resolution: Done
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Critical
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openshift-4.21, openshift-4.22, openshift-4.19.z, openshift-4.20.z
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None
Description of problem:
MicroShift RHAIO tests run out of disk space on root partition
Version-Release number of selected component (if applicable):
4.19 till 4.22 are affected following the upgrade of RHAIO to 2.25
How reproducible:
Occasionally in CI
Actual results:
Test fails due to errors like: Dec 15 17:33:03 el96-src-ai-model-serving-offline-bootc-host1 microshift-copy-images[28227]: time="2025-12-15T17:33:03Z" level=fatal msg="copying system image from manifest list: writing blob: storing blob to file \"/var/tmp/container_images_storage1974076239/1\": write /var/tmp/container_images_storage1974076239/1: no space left on device"
Expected results:
Test must pass
Additional info:
- https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_microshift/5902/pull-ci-openshift-microshift-release-4.19-e2e-aws-tests-bootc-periodic/2000601959354077184
- https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_microshift/5901/pull-ci-openshift-microshift-release-4.20-e2e-aws-tests-bootc-periodic/2000601648929443840
[redhat@el96-src-ai-model-serving-offline-bootc-host1 ~]$ df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 4.0M 0 4.0M 0% /dev tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 783M 8.7M 774M 2% /run /dev/mapper/rhel-root 20G 20G 107M 100% /sysroot composefs 7.3M 7.3M 0 100% / tmpfs 2.0G 4.0K 2.0G 1% /tmp /dev/vda1 960M 152M 809M 16% /boot tmpfs 392M 0 392M 0% /run/user/1000 [redhat@el96-src-ai-model-serving-offline-bootc-host1 ~]$ sudo vgs VG #PV #LV #SN Attr VSize VFree rhel 1 1 0 wz--n- <29.00g <9.00g
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