Re: benefits of journaling for soft RAID ?

[Benno Senoner]

>
>
> You all miss the obvious point here, IMHO. The point of a journalled fs is
> not that you save some time for fsck. Actually, even with a journalled
> fs, I'd suggest doing an fsck from time to time just to be sure everything
> is
> fine.
>

Yes I fully agree that you should run fsck from time to time,
but with journaling the nice thing is , that you have guaranteed boottimes,
so you can run fsck at end of day or when time permits,
which is in my case very important.

>
>
> A journalled fs guarantees, that you can reconstruct the consistent state
> of the fs at something like 1 minute or so before the crash. THIS is the
> point about a journalled fs. It guarantees your data is not lost during a
> crash, or better, that only the changes of the last minutes are lost, but
> nothing more.
>
> The need not to run fsck after a crash is only a nice side effect.

nice, but very very important ..
:-)

>
>
> Michael.
>

ciao
Benno.