Hi Donald,

I'm slowly starting to get the whole picture here.. I'll start with
updating my in-memory copy of the FAQ.

Thanks,

Bill

On Wed, 2009-06-10 at 09:13 -0400, Donald Allen wrote:
> 
> 
> On Wed, Jun 10, 2009 at 10:37 AM, Bill Maas <b...@stsx.org> wrote:
>         Hi Donald,
>         
>         On Wed, 2009-06-10 at 06:33 -0400, Donald Allen wrote:
>         [...]
>         
>         > I had nothing to do with writing the documentation and so
>         have no ax
>         > to grind, but FAQ items 8.21 and 14.16 look pretty explicit
>         to me.
>         
>         [...]
>         
>         8.21: OpenBSD does support journaling fses (ext3 at least), it
>         just
>         doesn't support fs journaling.
>         
>         Maybe 14.16 could do with an addition like this one (or maybe
>         not
>         because it's too specific):
>         
>         'Ext3 partitions are mounted as ext2, i.e. no journaling is
>         done. In
>         fact, none of the OpenBSD's filesystem tools pay any attention
>         to an
>         existing journal. For that reason, an attempt to have an ext3
>         partition
>         mounted read-write at boot time through /etc/fstab will cause
>         a
>         "filesystem not clean" error. This can be circumvented by
>         having the
>         device mounted read-only at boot time, and remounting it
>         read-write
>         manually afterwards.'
>         
>         I agree that it's all a bit nitpickerish (if that's an English
>         word),
> 
> It is now 
> 
>         
>         but the fact that ext3 fses mount without trouble can be
>         confusing.
> 
> But you must have fibbed to mount about the fs type and mounted it -t
> ext2fs, which is not true. ext2 being a proper subset of ext3, I'm not
> surprised that the system didn't say anything.
> 
> I cited 14.16 because it says ext2 is supported and does not mention
> ext3. If ext3 were supported, I'm quite confident the FAQ would have
> said so. Given that, I personally would not have considered mounting
> an ext3 filesystem writeable with OpenBSD, for fear of getting the
> ext2 part of the filesystem out of whack with the journal. In other
> words, I think what you are trying to do may well be hazardous to the
> health of your ext3 filesystem. Given my conservative bent in my old
> age (having spent many, many years finding strange and wonderful ways
> to get computers in undesirable states and watching others do the
> same), if I really needed to mount that fs writeable with OpenBSD for
> some reason, I'd boot a Linux rescue cd first and convert the fs to
> ext2. My $.02.
> 
> /Don
> 
> 
>         
>         
>         Bill

Reply via email to