Subject: Re: Log area on-disk for the journal
To: None <tech-kern@NetBSD.org>
From: Pavel Cahyna <pavel@NetBSD.org>
Date: 10/21/2006 10:30:19
On Fri, Oct 20, 2006 at 01:37:05PM -0700, Jason Thorpe wrote:
> >> . compatibility/upgrade issues, such as whether the accessing
> >> filesystem code has to be journal aware, even if the filesystem
> >> was cleanly unmounted.
> Journaled UFS should get a new magic number. Old tools will refuse to talk to
> one in that case.
Even if the filesystem is unmounted clenaly (does not need log recovery)?
Disallowing access by old tools would be suboptimal in this case.