SU+J Lost files after a power failure

Adam Vande More amvandemore at gmail.com
Mon Oct 14 18:43:40 UTC 2013


On Mon, Oct 14, 2013 at 1:33 PM, CeDeROM <cederom at tlen.pl> wrote:

> Thank you for explaining :-) So it looks that it would be sensible to
> force filesystem check every n-th mount..?


Please explain the logic in which this helps anything.


> Or to do a filesystem check
> after crash..?


Already standard behavior as implicitly seen in this thread.


> Are there any flags like that to mark filesystem
> unclean and to force fsck after n-th mount?


No and any fs that requires such a system is broken by design.


> That would assume
> disabling journal and soft updates journaling I guess..?
>
> What would be the best option for best data integrity in case of
> crash?
>

mount -o sync or use ZFS. Both require hardware that correctly report
success to fsync.

-- 
Adam Vande More


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