setup journaling for root partition

[saeedeh motlagh]

thanks Julien, but i think it's not true. man page for newfs seys that
journaling is done via gjournal and in freebsd handbook it says do
journaling with gjournal for UFS file system.

you mean i should create a partition and just enable journaling for it with
-J flag?

i think my problem is, my gjournal can not act correctly in fixit mode
because i can load it in single user mode and every thing is ok but in
fixit mode, i can not load it and all commands return errors.

please help me to make a journal for my root:(((


On Tue, May 21, 2013 at 3:10 PM, Julien Cigar <jcigar at ulb.ac.be> wrote:

> 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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-- 
*Sa.M*