quico-os-setup/zfs-pacman-hook
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refactor(conf): Keep 10 important snaps, up from 5 (#1)

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On an average daiy driver machine having 10 snaps
would've allowed to roll back far enough into the
past to work around:
https://github.com/openzfs/zfs/issues/15526
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hygienic-books 2023-11-23 00:15:32 +01:00
parent 31f5655ff0
commit c686f7645f
2 changed files with 2 additions and 2 deletions
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2
README.md
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@ -53,7 +53,7 @@ We retain two different snapshot chains, one for `pacman` transactions that only
Whenever an important package is affected by a transaction a snapshot goes into the corresponding chain. In all other cases - when an important package is not affected - snapshots go into the trivial chain. Whenever an important package is affected by a transaction a snapshot goes into the corresponding chain. In all other cases - when an important package is not affected - snapshots go into the trivial chain.
The _trivial_ snapshot chain by default keeps 25 snapshots, the _important_ chain keeps 5. The thought process here is that you will likely not futz around with a kernel every day whereas you may very well install arbitrary packages multiple times a day. Snapshots should keep you safe for a couple of days hence the defaults of 5 and 25 snapshots, respectively. The _trivial_ snapshot chain by default keeps 25 snapshots, the _important_ chain keeps 10. The thought process here is that you will likely not futz around with a kernel every day whereas you may very well install arbitrary packages multiple times a day. Snapshots should keep you safe for a couple of days hence the defaults of 10 and 25 snapshots, respectively.
Snapshots may look like so: Snapshots may look like so:
``` ```

2
pacman-zfs-snapshot.conf
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@ -13,7 +13,7 @@ important_names='linux|systemd|zfs-(dkms|utils)'
# Number snapshots to keep # Number snapshots to keep
snaps_trivial_keep='25' snaps_trivial_keep='25'
snaps_important_keep='5' snaps_important_keep='10'
# Which suffix to use in snapshot names to identify snapshots before a # Which suffix to use in snapshot names to identify snapshots before a
# trivial pacman operation and before important pacman operations. # trivial pacman operation and before important pacman operations.