Bug#488332: LVM sysfs_scan with newer 2.6.x kernels needs deprecated sysfs layout

[Alasdair G Kergon]

On Fri, Jun 27, 2008 at 06:59:30PM -0400, Stephen M. Benoit wrote:
>   Upgrading kernel to 2.6.25.9, the LVM utilities could not find any Volume
>   Groups.  This is due to the new /sys/block layout and the LVM sysfs_scan
>   expecting the old layout.  Two fixes until sysfs_scan gets updated:
>   (1) configure kernel to use deprecated sysfs layout, or,
>   (2) set "sysfs_scan = 1" in /etc/lvm/lvm.conf.

I think you mean = 0 to turn the feature off.
 
or

(3) update your copy of lvm2 to match when you update your kernel to one that
changes part of the userspace-kernel interface that lvm2 uses.

Alasdair
-- 
agk at redhat.com