This bug was fixed in the package zsys - 0.4.7
---------------
zsys (0.4.7) focal; urgency=medium
* Fix ZSys package post-installation failed when boot pool is not imported
(LP: #1886214)
* Change ZSys GC to only keep one month (LP: #1889385)
-- Didier Roche <didro...@ubuntu.com> Wed, 29 Jul 2020 11:32:33 +0200
** Changed in: zsys (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1889385
Title:
Change zsys GC to only keep one month
Status in zsys package in Ubuntu:
Fix Released
Status in zsys source package in Focal:
Fix Released
Bug description:
[Impact]
* People start experiencing /boot and disk near being full due to our
snapshot policy.
* Until we implement GC pressure based on disk space, mitigate the issue by
only keeping last month.
[Test Case]
* Install new ZSys version
* zsysctl show
-> You should see history states that are older than one month
* Wait for a GC pass to be ran, or run directly zsysctl service gc
-> The history states older than a month should be gone (for states that
don’t have dependencies)
[Regression Potential]
This change is a configuration tweak, which is already covered by a great
number of test cases. Manual testing has been done on a system with a bunch of
history states.
The regression would be too much or too few history states being
removed, but as said, this scenario is already covered by other test
cases.
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