Bug#539970: lvm2: several issues with minor device numbers

Alasdair G Kergon agk at redhat.com
Tue Aug 4 20:33:35 UTC 2009


On Tue, Aug 04, 2009 at 04:13:56PM -0400, Frédéric Brière wrote:
> 2.  The --minor lvcreate/lvchange option also requires --major, even
> though this is undocumented.  There's especially no information on what
> would be an appropriate major number; I've seen 253 and 254 co-exist on
> my machine for no apparent reason.
 
--major was respected in the device-mapper patch set for 2.4 kernels,
but that code has never been ported to 2.6 kernels.  I hope it is one
day, for completeness if nothing else.  But for now, the major number is
simply overridden by the kernel.

Alasdair






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