On Fri, Jul 27, 2001 at 11:15:39AM -0600, Andreas Dilger wrote:
> > servers. Since the server in question is a farily security-sensitive box, my
> > /usr partition is mounted read only except when I remount rw to install
> > packages.
>
> If it is a security-sensitive box, you need to at least use data=ordered or
> data=journal. Using data=writeback allows the possibility that after a crash
> one user might be able to read data from deleted files of another user (note
> that reiserfs currently only runs the equivalent of data=writeback).
Agreed, and for most workloads data=ordered will have very little
performance difference from data=writeback.
> You _could_ leave out the data=writeback from /etc/fstab (default is ordered),
> and you will be able to remount OK. Also, Andrew made a patch which allowed
> you to specify the data= mode on remount, as long it is the same.
Indeed, but I'll need to make sure that the remount with no data= mode
also works (that should be legal.)
Cheers,
Stephen
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