On 07/12/2012 14:52, CeDeROM wrote: > On Fri, Dec 7, 2012 at 2:41 PM, Ivan Voras <ivo...@freebsd.org> wrote: >> It looks like you are confusing GEOM journalling (-J) and UFS-SU >> journalling (-j). They are very different, and today you probably want >> to use the latter. If you are installing 9.x from scratch, it will be >> enabled by default. If not, you can use newfs -j or tunefs -j to enable it. > > Hello Ivan! Thanks for the hint! :-) :-) > > When I have created a new filesystem type 2 (UFS2) with -J switch, > then on mount I get this error that filesystem has journaling enabled > but no provider is specified, so it looks like no journal is enabled?
Yes. > Does newfs -J create journal as well? No. > According to man newfs: > > -J Enable journaling on the new file system via gjournal. See > gjournal(8) for details. > > This is why I have started reading man gjournal and saw an example > where journal is first created before newfs... > > Will "gjournal label -f" erase all data on partition with existing newfs/ufs2? Very probably, depending how you use it.
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