[dm-devel] multipath-tools 0.7.4 failure to remove device

[Benjamin Marzinski]

On Thu, Jan 18, 2018 at 09:11:02AM +0100, Martin Wilck wrote:
> On Wed, 2018-01-17 at 21:50 -0600, Benjamin Marzinski wrote:
> 
> > Now, I don't see how this could cause a boot to fail since this is a
> > new
> > device that isn't getting set up, but I really never test this,
> > because
> > when we create the initramfs in RedHat based distros, we edit the
> > multipath.conf file in it to blacklist all devices except those
> > needed
> > by the initramfs.
> 
> I'm a bit puzzled. It's against my personcal conviction that the
> blacklist must be the same between initrd and root FS. How do you
> prevent LVM or other layers grabbing blacklisted devices during
> initramfs processing, so that they can't be multipathed any more later?

lvm only assembles on the devices necessary to boot in the initramfs
also.

-Ben

> 
> Martin
> 
> -- 
> Dr. Martin Wilck <mwilck at suse.com>, Tel. +49 (0)911 74053 2107
> SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton
> HRB 21284 (AG Nürnberg)