Subject: Re: LFS frailty vs. datestamping [Was Re: /dev/clock pseudodevice]
To: Manuel Bouyer <>
From: Bill Studenmund <>
List: tech-kern
Date: 07/30/2001 13:12:47
On Mon, 30 Jul 2001, Manuel Bouyer wrote:

> But, for this, LFS has an advantage over FFS: data are journalised, so
> if your machine crash while a write was in progress, you get the database in
> the previous consistent state.
> It can also be very usefull for things like mail spool.

For general databases, the db usually takes care of journalizing. For your
mailspool, a well-behaved MTA will take steps to force the mailspool to be
written synchronously. So fs crash afterwards won't matter (unless the fs
crash is the fs spitting on itself).

Take care,