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Fix software RAID creation with newer mdadm versions

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Recent mdadm versions introduced an interactive prompt when creating RAID arrays
without an explicit bitmap configuration:

  "To optimize recovery speed, it is recommended to enable write-intent bitmap,
   do you want to enable it now? [y/N]?"

This behavior was introduced by upstream change:
https://github.com/md-raid-utilities/mdadm/commit/e97c4e18c847803016aa60066cb6e57c528d83a6

In non-interactive environments such as Anaconda, this prompt blocks installation
and causes RAID creation to hang.

Fix this by explicitly enabling the internal bitmap when creating RAID arrays.
This commit is contained in:
Markus Hilger
2026-05-21 23:44:53 +02:00
parent 33935e93ff
commit 94eee92d36
1 changed files with 1 additions and 1 deletions
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misc/swraid
+1 -1
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@@ -10,7 +10,7 @@ for dev in $DEVICES; do
wipefs -a -f $dev
done
# must use older metadata format to leave disks looking normal for uefi
mdadm -C /dev/md/raid $DEVICES -n $NUMDEVS -e 1.0 -l $RAIDLEVEL
mdadm -C /dev/md/raid $DEVICES -n $NUMDEVS -e 1.0 -l $RAIDLEVEL -b internal
# shut and restart array to prime things for anaconda
mdadm -S -s
mdadm --assemble --scan