Re: XFS null files

["Jeff Briggs" <ephemeral.elusive@xxxxxxxxx>]

On 06/08/06, Russell Cattelan <cattelan@xxxxxxxxxxx> wrote:
> Check to see if you have this change
> http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_vnodeops.c.diff?r1=1.675;r2=1.676;f=h
>
> I helps reduce the null file problem.

i do not.

> > emacs claims to fsync on write, yet still I lost data, the faq
> > suggests I should not have if this is so?
> >
> > Is this likely to be fixed soon, or should I switch file system?
>
> Any caching file system could potentially loose data, XFS just happens to
> get the file size correct so you end up with a file that is nothing but a
> hole. Other file system would probably just give you an empty file.
> Either way data in cache always has the potential for being lost.
> Running xfs in full sync mode would be safest but you loose many performance
> advantages... so it always a trade off of performance vs data integrity.

it's really ugly how the default is not safe. i didn't have my write
cache disabled, but it is now.

thanks for the responses.