On Thu, Jun 05, 2008 at 09:13:24PM -0600, Keith Bierman wrote:
> On Jun 5, 2008, at 8:58 PM   6/5/, Brad Diggs wrote:
> > Hi Keith,
> >
> > Sure you can truncate some files but that effectively corrupts
> > the files in our case and would cause more harm than good. The
> > only files in our volume are data files.
> 
> So an rm is ok, but a truncation is not?
> 
> Seems odd to me, but if that's your constraint so be it.

Neither will help since before the space can be freed a transaction must
be written, which in turn requires free space.

(So you say "let ZFS save some just-in-case-space for this," but, how
much is enough?)
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