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SubjectRe: [PATCH 000 of 5] md: Introduction
On Mon, Jan 23, 2006 at 02:54:20PM +0200, Ville Herva wrote:
> On Mon, Jan 23, 2006 at 10:44:18AM +0100, you [Heinz Mauelshagen] wrote:
> > >
> > > I use the regularly to play with md and other stuff...
> >
> > Me too but for production, I want to avoid the
> > additional stacking overhead and complexity.
> >
> > > So I remain unconvinced that code duplication is worth it for more than
> > > "hark we want it so!" ;-)
> >
> > Shall I remove you from the list of potential testers of dm-raid45 then ;-)
>
> Heinz,
>
> If you really want the rest of us to convert from md to lvm, you should
> perhaps give some attention to thee brittle userland (scripts and and
> binaries).

Sure :-)

>
> It is very tedious to have to debug a production system for a few hours in
> order to get the rootfs mounted after each kernel update.
>
> The lvm error messages give almost no clue on the problem.
>
> Worse yet, problem reports on these issues are completely ignored on the lvm
> mailing list, even when a patch is attached.
>
> (See
> http://marc.theaimsgroup.com/?l=linux-lvm&m=113775502821403&w=2
> http://linux.msede.com/lvm_mlist/archive/2001/06/0205.html
> http://linux.msede.com/lvm_mlist/archive/2001/06/0271.html
> for reference.)

Hrm, those are initscripts related, not lvm directly

>
> Such experience gives an impression lvm is not yet ready for serious
> production use.

initscripts/initramfs surely need to do the right thing
in case root is on lvm.

>
> No offense intended, lvm kernel (lvm1 nor lvm2) code has never given me
> trouble, and is probably as solid as anything.

Alright.
Is the initscript issue fixed now or still open ?
Had you filed a bug against the distros initscripts ?

>
>
> -- v --
>
> v@iki.fi
>
> PS: Speaking of debugging failing initrd init scripts; it would be nice if
> the kernel gave an error message on wrong initrd format rather than silently
> failing... Yes, I forgot to make the cpio with the "-H newc" option :-/.

--

Regards,
Heinz -- The LVM Guy --

*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
Cluster and Storage Development 56242 Marienrachdorf
Germany
Mauelshagen@RedHat.com +49 2626 141200
FAX 924446
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