Re: UFS2 and Journaling in 9.1-RC3
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On 07/12/2012 14:52, CeDeROM wrote:
> On Fri, Dec 7, 2012 at 2:41 PM, Ivan Voras <ivoras@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 enabl=
e it.
>=20
> Hello Ivan! Thanks for the hint! :-) :-)
>=20
> 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:
>=20
> -J Enable journaling on the new file system via gjournal. Se=
e
> gjournal(8) for details.
>=20
> This is why I have started reading man gjournal and saw an example
> where journal is first created before newfs...
>=20
> Will "gjournal label -f" erase all data on partition with existing newf=
s/ufs2?
Very probably, depending how you use it.
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