Re: ReiserFS / 2.4.6 / Data Corruption
Matthew Gardiner (kiwiunixman@yahoo.co.nz)
Sun, 29 Jul 2001 02:16:13 +1200
On Saturday 28 July 2001 01:39, Alan Cox wrote:
> > > Putting a sync just before the insmod when developing new drivers is a
> > > good idea btw
> >
> > I've been doing that most of the time. But I sometimes forget that.
> > But as I said, it's not something I expected from a journalled
> > filesystem.
>
> You misunderstand journalling then
>
> A journalling file system can offer different levels of guarantee. With
> metadata only journalling you don't take any real performance hit but your
> file system is always consistent on reboot (consistent as in fsck would
> pass it) but it makes no guarantee that data blocks got written.
>
> Full data journalling will give you what you expect but at a performance
> hit for many applications.
>
> Alan
Just in regards to full journalling, will/is there an option in ReiserFS to
allow it? Personally, I would much rather have full journalling, and a little
more of a performance hit for security and reliability, than great
performance and a higher level of risk.
Matthew Gardiner
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