Large file system creation

Josh Paetzel josh at
Tue Apr 8 16:56:44 UTC 2008

On Tuesday 08 April 2008 11:20:58 am Wojciech Puchar wrote:
> >> That looks like what I need.  I've got a seperate 32GB array to boot
> >>  off of, so that's perfect.  Now to just read some man pages.  Thanks!
> >
> > How many memory do you have in this machine ?? To fsck 9 TB you will
> there is swap too . but my 1.4TB partition can be fsck'ed on 1GB RAM
> without swap.
> > need a LOT of memory....
> depends of block sized and inode counts.
> it will be most likely large 32K blocks, so quick fsck and little RAM

In my experience with UFS2 and fsck you will want to have a gig of ram per TB 
of filesystem.  You can get by with less sometimes, eventually you'll get 
bit.  Most mere mortals don't take UFS2 past 6-8TB in production.

There are of course exceptions....


Josh Paetzel

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