RHUA Repository Synchronization Fails: Log Shows "No space left on device".

Issue

Repository synchronization status, as reported by rhui-manager status, shows an error.

# rhui-manager --noninteractive status
Repos sync status
Red Hat CodeReady Linux Builder for RHEL 8 x86_64 (RPMs) from RHUI (8) .................... ERROR
Red Hat CodeReady Linux Builder for RHEL 9 x86_64 (RPMs) from RHUI (9) .................... ERROR
Red Hat Enterprise Linux 8 for x86_64 - AppStream from RHUI (RPMs) (8) .................... ERROR

The log files contain the following message, indicating the reason for the failure:
RHUI repositories are failing to sync with following error messages in

/var/log/pulp/pulp.log

Exception: Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/grinder/activeobject.py", line 429, in process
    retval = method(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/grinder/YumInfo.py", line 97, in getDownloadItems
    self.__getRepoData()
  File "/usr/lib/python2.6/site-packages/grinder/YumInfo.py", line 179, in __getRepoData
    for ftype in self.__getRepoXmlFileTypes():
  File "/usr/lib/python2.6/site-packages/grinder/Retry.py", line 44, in wrapped
    raise e
IOError: [Errno 28] No space left on device

/var/log/messages

Oct 30 04:55:04 actis-rrhua pulpcore-api[140988]: pulp [f1b7e6596bb04c3faf79d98e761d21a7]: 127.0.0.1 - - [29/Oct/2025:19:55:04 +0000] "POST /pulp/api/v3/repositories/rpm/rpm/8d50b018-5312-4049-be12-3cb02abc2237/sync/ HTTP/1.1" 202 67 "-" "OpenAPI-Generator/3.23.0/python"
Oct 30 04:55:04 actis-rrhua pulpcore-worker[173613]: pulp [f1b7e6596bb04c3faf79d98e761d21a7]: pulpcore.tasking.tasks:INFO: Starting task 019a3189-c76f-7e3c-b7ae-99c455677011
Oct 30 04:55:04 actis-rrhua pulpcore-worker[173613]: pulp [f1b7e6596bb04c3faf79d98e761d21a7]: pulp_rpm.app.tasks.synchronizing:INFO: Synchronizing: repository=rhel-9-for-x86_64-baseos-rhui-rpms-9 remote=rhel-9-for-x86_64-baseos-rhui-rpms-9
Oct 30 04:55:08 actis-rrhua pulpcore-worker[173613]: pulp [f1b7e6596bb04c3faf79d98e761d21a7]: pulpcore.tasking.tasks:INFO: Task 019a3189-c76f-7e3c-b7ae-99c455677011 failed ([Errno 28] No space left on device: '/var/lib/rhui/remote_share/pulp3/tmp/140384@actis-rrhua.act-rhui.local/tmp3vhca7qe/tmpfdmp2yxq-repomd.xml')
Oct 30 04:55:08 actis-rrhua pulpcore-worker[173613]: pulp [f1b7e6596bb04c3faf79d98e761d21a7]: pulpcore.tasking.tasks:INFO:   File "/usr/lib/python3.11/site-packages/pulpcore/tasking/tasks.py", line 61, in _execute_task