** Description changed:
- In a host where ceph-mds is installed, upgrading from
- 14.2.11-0ubuntu0.19.10.1~cloud4 to 15.2.8-0ubuntu0.20.04.1~cloud0 fails
- with:
+ [Impact]
+ Package upgrades will fail due to a move of a file between packages
+
+ [Test Case]
+ Install ceph-mds 14.2.11-0ubuntu0.19.10.1~cloud4 (from UCA) on bionic
+ do-release-upgrade to focal
+ package upgrade will fail.
+
+ [Where problems could occur]
+ Version declarations might not be correct; upgrade might still break with the
same conflict.
+
+ [Original Bug Report]
+ In a host where ceph-mds is installed, upgrading from
14.2.11-0ubuntu0.19.10.1~cloud4 to 15.2.8-0ubuntu0.20.04.1~cloud0 fails with:
dpkg: error processing archive
/tmp/apt-dpkg-install-Zen6uw/9-ceph-common_15.2.8-0ubuntu0.20.04.1~cloud0_amd64.deb
(--unpack):
- trying to overwrite '/usr/bin/cephfs-data-scan', which is also in package
ceph-mds 14.2.11-0ubuntu0.19.10.1~cloud4
+ trying to overwrite '/usr/bin/cephfs-data-scan', which is also in package
ceph-mds 14.2.11-0ubuntu0.19.10.1~cloud4
dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
Errors were encountered while processing:
-
/tmp/apt-dpkg-install-Zen6uw/9-ceph-common_15.2.8-0ubuntu0.20.04.1~cloud0_amd64.deb
+
/tmp/apt-dpkg-install-Zen6uw/9-ceph-common_15.2.8-0ubuntu0.20.04.1~cloud0_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
The problem happens because /usr/bin/cephfs-data-scan is provided by
ceph-mds in 14.2.11-0ubuntu0.19.10.1~cloud4:
# dpkg -S /usr/bin/cephfs-data-scan
ceph-mds: /usr/bin/cephfs-data-scan
However in 15.2.8-0ubuntu0.20.04.1~cloud0 it is provided by ceph-common:
# dpkg -S /usr/bin/cephfs-data-scan
ceph-common: /usr/bin/cephfs-data-scan
A quick workaround is to temporarily remove ceph-mds before the upgrade
(dpkg -r ceph-mds) and then perform the upgrade process using apt
install. It will upgrade all packages and reinstall ceph-mds.
** Also affects: cloud-archive
Importance: Undecided
Status: New
** Also affects: cloud-archive/ussuri
Importance: Undecided
Status: New
** Changed in: cloud-archive
Status: New => Invalid
** Changed in: cloud-archive/ussuri
Status: New => Triaged
** Changed in: cloud-archive/ussuri
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1919261
Title:
Upgrading Ceph from 14.2.11-0ubuntu0.19.10.1~cloud4 to
15.2.8-0ubuntu0.20.04.1~cloud0 fails when ceph-mds is installed
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