Bug 1015657 - RFE: how to show multiple instances of other (or prior Fedora) installs, instead of snapshots
RFE: how to show multiple instances of other (or prior Fedora) installs, inst...
Status: NEW
Product: Fedora
Classification: Fedora
Component: anaconda (Show other bugs)
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Unspecified Unspecified
unspecified Severity medium
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Assigned To: David Lehman
Fedora Extras Quality Assurance
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Reported: 2013-10-04 14:19 EDT by Chris Murphy
Modified: 2013-10-29 19:43 EDT (History)
10 users (show)

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Doc Type: Bug Fix
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Attachments (Terms of Use)
screenshot Manual Partitioning (41.87 KB, image/jpeg)
2013-10-04 14:22 EDT, Chris Murphy
no flags Details
storage.state (24.00 KB, application/octet-stream)
2013-10-04 14:23 EDT, Chris Murphy
no flags Details
storage.log (228.55 KB, text/plain)
2013-10-04 14:23 EDT, Chris Murphy
no flags Details

  None (edit)
Description Chris Murphy 2013-10-04 14:19:50 EDT
Description of problem: Manual Partitioning shows two instances of Fedora 20, probably because btrfs root has been snapshotted, and hence there are in a sense two Fedora 20 installs. But this is going to cause problems if root is snapshot 50x as is semi-planned with the rollback project.

This may also be occur with thinp snapshots.


Version-Release number of selected component (if applicable):
anaconda 20.21-1

How reproducible:
Always if there are snapshots of root.

Steps to Reproduce:
1. Install Fedora 20 once.
2. Sometime later, make a snapshot of its root subvolume.
3. Rerun the installer.

Actual results:
Two Fedora 20 installations (or as many as there are snapshots it seems).

Also, no differentiation between what are separate/unique Fedora installations vs snapshots.

Expected results:
We either need fs metadata to help distinguish between separate installations and snapshots, with a user interface that indicates such. Or maybe some kind of installation specific UUID, then if anaconda sees multiple subvolumes with the same UUID it knows they're not unique.


Additional info:
Cosmetic issue, but will result in user confusion if there are automatic snapshots per: http://fedoraproject.org/wiki/Changes/Rollback
Comment 1 Chris Murphy 2013-10-04 14:22:49 EDT
Created attachment 807895 [details]
screenshot Manual Partitioning

There is one "in use" root subvolume and a snapshot of it (hence there are in effect two root subvolumes).
Comment 2 Chris Murphy 2013-10-04 14:23:17 EDT
Created attachment 807896 [details]
storage.state
Comment 3 Chris Murphy 2013-10-04 14:23:35 EDT
Created attachment 807897 [details]
storage.log
Comment 4 Chris Murphy 2013-10-04 14:31:33 EDT
Oops. http://fedoraproject.org/wiki/Changes/Rollback is rollback via thinp snapshots. Untested to see if the problem reproduces there.

The current one for btrfs seems to be: https://fedoraproject.org/wiki/Features/OfflineSystemUpdates

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