setup journaling for root partition

[Julien Cigar]

On 05/21/2013 12:10, s m wrote:
> you mean that journaling is enabled by default???? i don't think so. i 
> think i misunderstanding. may i ask you to explain it more clear?
>

gjournal is journaling through GEOM. Since Freebsd 9 soft-updates 
journaling has been implemented for UFS. So if you want journaling for 
an UFS FS there is no reason to use gjournal anymore. (check manpages of 
newfs and/or tunefs and the "-j" and the "-J" flags)

>
> On Tue, May 21, 2013 at 2:09 PM, Julien Cigar <jcigar at ulb.ac.be 
> <mailto:jcigar at ulb.ac.be>> wrote:
>
>     gjournal should not be used anymore as it has been implemented in
>     the file system code ...
>
>
>     On 05/21/2013 11:24, s m wrote:
>
>         thanks Michael
>
>         this is what i've done (based on the FreeBSD handbook): creating a
>         partition for journal, go to single user mode, unmount desired
>         partition
>         (for example /usr), load gjournal, add journal partition to
>         /usr partition.
>         this procedure works well for user and other partitions except
>         root because
>         i can not unmount it.
>
>         should i set up journaling in fixit mode with gpart? how? i
>         try different
>         ways but none of them work for me:((
>
>
>
>         On Tue, May 21, 2013 at 10:36 AM, Michael Sierchio
>         <kudzu at tenebras.com <mailto:kudzu at tenebras.com>>wrote:
>
>             On Mon, May 20, 2013 at 10:59 PM, s m
>             <sam.gh1986 at gmail.com <mailto:sam.gh1986 at gmail.com>> wrote:
>
>                 hello everybody
>
>                 i want to setup a journal partition for my root
>                 partition. but i do not
>                 know how to do that. in FreeBSD handbook, it is done
>                 in single user mode,
>                 unmount the desired partition and assign the journal
>                 partition to it. i
>                 test this procedure and it is done for /usr partition
>                 but for root
>                 partition, it can not be unmount in single user mode.
>
>
>             See the man page on gjournal
>
>                   To configure journaling on the UFS file system using
>             gjournal, one
>             should
>                   first create a gjournal provider using the gjournal
>             utility, then run
>                   newfs(8) or tunefs(8) on it with the -J flag which
>             instructs UFS to
>             coop-
>                   erate with the gjournal provider below.
>
>
>
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>
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No trees were killed in the creation of this message.
However, many electrons were terribly inconvenienced.