[dm-devel] device-mapper & bd_claim

Martin Waitz tali at admingilde.org
Mon Oct 27 06:41:01 UTC 2003


hi :)

i use evms to mount some filesystems.
the root filesystem is located on /dev/hda1, all other partitions
are managed by evms.

this works without problems in 2.4.
however, evms refuses to create the logical volumes in 2.6.

the problem seems to be the addition of bd_claim in 2.6:
upon mounting the root filesystem, hda1 is claimed by the filesystem.
thus, hda is claimed by the bd_claim code, too.
evms tries to setup dm-tables using hda and fails to claim the device

so, how should this be solved?
i think it should be allowed to mix evms and 'normal' partitions on
the same device.

do we need to introduce claimed_region of the toplevel device instead
of claiming individual devices?

-- 
CU,		  / Friedrich-Alexander University Erlangen, Germany
Martin Waitz	//  Department of Computer Science 3       _________
______________/// - - - - - - - - - - - - - - - - - - - - ///
dies ist eine manuell generierte mail, sie beinhaltet    //
tippfehler und ist auch ohne grossbuchstaben gueltig.   /
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