Date: Wed, 31 Aug 2011 10:56:50 -0700 From: Garrett Cooper <yanegomi@gmail.com> To: "Hartmann, O." <ohartman@zedat.fu-berlin.de> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: howto: enabling journaling on softupdates Message-ID: <CAGH67wR_MJY1pq23t%2BPLbNJq08o=wSJZ493AW_YRe_n45qDQ0A@mail.gmail.com> In-Reply-To: <4E5E70AF.2080806@zedat.fu-berlin.de> References: <4E5E70AF.2080806@zedat.fu-berlin.de>
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On Wed, Aug 31, 2011 at 10:34 AM, Hartmann, O. <ohartman@zedat.fu-berlin.de> wrote: > > I try to find a suitable reading/howto for how to enable softupdates > on > 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 / ?) Yes. > 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, Sure :)! -Garrett
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