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Difference between revisions of "Btrfs"
add "corrupted checksum" as topic
(checksum hinzufügen) |
(add "corrupted checksum" as topic) |
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* don’t forget to remove old snapshots (best done automatically) | * don’t forget to remove old snapshots (best done automatically) | ||
== | == Corrupted checksums == | ||
[ 9364.354241] BTRFS error (device nvme0n1p3): block=58469742080 write time tree block corruption detected | |||
[ 9364. | This ERROR or similar may lead to Messages like: | ||
Configuration file "/home/user/.config/dolphinrc" not writable. Please contact your system administrator. | |||
because btrfs does mount this partition '''readonly''' when it detects corrupted blocks. | |||
Now you have to investigate WHY a checksum of a btrfs block says it is corrupted. | |||
* In some cases the underlying device may beginn to fail ! => replace it (consider using RAID) | |||
* In other cases a corruption may have happened even before the block had been written to disk | |||
** corruption in RAM ??? | |||
** some software-bug ??? | |||
== Tips == | == Tips == | ||