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Re: Strane remount behaviour with ext3-2.4-0.9.4



On Wed, Aug 01, 2001 at 05:39:51PM +0100, Stephen C. Tweedie wrote:
> Hi,
> 
> 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.

Yup.  I agree with you both.  My primary motivation for using that option was
so that I could test them all.  Since this partition gets very little r/w
usage, and that is quite controlled, I thought writeback would be ok as a test.

Sean

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