Use of unionfs to build lfs in stage 5 en 6.

Stef Bon stef at
Fri Nov 24 10:02:11 PST 2006

Alexander E. Patrakov wrote:

> Stef Bon wrote:
>> What do you think about unionfs?
>> The existing situation works, but this new construction looks good.
> Unionfs was used with LFS-6.1 LiveCDs. It has been dropped then, for a
> reason: too buggy, especially on SMP. Try running "make check" for glibc
> on unionfs. Or (for stress testing) try installing the same package
> (e.g., Vim) 1000 times repeatedly in /usr on LFS-6.1.1 CD. It will just
> hang or produce an oops. Many unionfs releases could not even boot the
> CD (i.e., produced an oops as early as during boot).
That's not good. Thanks anyway for you info.
Are these bugs reported to the team developing Unionfs?

> The new DM-based CDs handle this stress test just fine, but DM is not
> suitable for package management because it works on block device level,
> not filesystem level.

What is DM?

Stef Bon

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