howto: enabling journaling on softupdates
yanegomi at gmail.com
Wed Aug 31 17:56:51 UTC 2011
On Wed, Aug 31, 2011 at 10:34 AM, Hartmann, O.
<ohartman at zedat.fu-berlin.de> wrote:
> I try to find a suitable reading/howto for how to enable softupdates
> UFS2 filesystems.
Agreed. Added to http://wiki.freebsd.org/DocsFor9x .
> As I could see, SU+J is enlisted to be enabled by default in 9.0-RELEASE.
Yes, it is on by default in bsdinstall (and I think in newfs? I could be wrong).
> What is the status quo of that? I've several active systems running
> UFS2 on their system disks while data/home/mass storage is ZFS.
> Are their any issue with SU+J?
I haven't been tracking what's been going on, but several bugfixes
have gone in in the last couple of months post-SUJ. There might be
some bugs in the work, but most standard operations work out of the
box for me at least.
> I hit was "-J", the option for enabling softupdate via GEOM gjournal.
Yeah, it's confusing..
> Is there any special preparation to bring up an existing filesystem
> securely into
> journaling? As I read the blogs and emails in the list, it should be
> as simple
> as booting into single user mode, enabling on all partitions in
> question (even / ?)
> via -j softupdate-journaling, runing a foreground fsck, reboot ...
> that's it?
If all goes well, that was the entire process IIRC.
> Or is there any other additional preparation like mentioned in gjournal
> (async mount)?
ENOCLUE (because I'm not aware of that with gjournal -- the last time
I tried setting it up things didn't work too well for me) :).
> Thanks for patience and repsonding,
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