On Mon, Jul 08, 2013 at 07:01:37PM -0500, Eric Sandeen wrote: > On 7/8/13 6:45 PM, Carlos Maiolino wrote: > > Adds to the mkfs man page, information about noalign mkfs option which is > > missing until now. > > > > Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx> > > --- > > man/man8/mkfs.xfs.8 | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 > > index 04c19b4..2435814 100644 > > --- a/man/man8/mkfs.xfs.8 > > +++ b/man/man8/mkfs.xfs.8 > > @@ -244,6 +244,12 @@ will automatically query the logical volume for appropriate > > and > > .B swidth > > values. > > +.TP > > +.BI noalign > > +This option is used to bypass data alignment configuration. In rare > > +circunstances, data alignment might decrease performance, for such cases, > > +use this option to avoid data alignment, this will set stripe unit and > > +stripe width to 0. > > Thanks for this, Carlos. > > I think it might be better to just state plainly that it overrides automatic > stripe unit detection, and leave the tuning / performance parts out. > Most of the manpage today is more "what" than "why." > > So maybe simply: > > +This option disables automatic stripe geometry detection, and creates > +the filesystem without stripe geometry even if the underlying storage > +device reports this information. > > FWIW, there is a 'noalign' option for the realtime subvolume > as well, and that should probably get documented too. > Agreed, going to change and re-send it. > -Eric > > > .RE > > .TP > > .B \-f > > > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
