Re: Automated package testing (Re: Is Sid for broken stuff? Is it too much to ask for testing the packages?)
On Sat, Dec 14, 2002 at 01:31:54AM +0900, Junichi Uekawa wrote:
> > - shareable, copy-on-write block devices (makes repeated testing much more
> > efficient)
> How do you do that ? It might improve pbuilder-uml performance,
> and reliability.
Check out the HOWTO etc. on user-mode-linux.sf.net. Basically, you just do:
where file1 is the (possibly read-only) backing file, and file2 is the
copy-on-write data. The same backing file can be used with any number of
COW files, and a COW file is invalidated when the backing file is changed.