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[linux-lvm] pvcreate fails on a software RAID meta-disk



Hi,

I'm running into a weird problem with pvcreate.  It doesn't seem to want to let me use a software RAID metadisk as a PV.  Here's what I get:
 

root tik-tok:~# pvcreate /dev/md7
pvcreate -- ERROR "parameter error" setting up  physical volume "/dev/md7"

root tik-tok:~# pvcreate -v /dev/md7
pvcreate -- locking logical volume manager
pvcreate -- checking physical volume name "/dev/md7"
pvcreate -- getting physical volume size
pvcreate -- checking partition type
pvcreate -- creating new physical volume
pvcreate -- setting up physical volume for /dev/md7 with 0 sectors
pvcreate -- ERROR "parameter error" setting up  physical volume "/dev/md7"

root tik-tok:~# pvcreate --version
pvcreate: Logical Volume Manager 1.0.1-rc3
Heinz Mauelshagen, Sistina Software  01/10/2001 (IOP 10)


I'm running a 2.4.10 kernel, patched with the lvm 1.0.1rc3 patch...
(and my own quick fix for the '__update_hardsectsize' vs. '__update_hardblocksize' issue).

So:  this (software RAID metadisks as lvm PVs) *is* supposed to work, right?

Any ideas as to what I'm doing wrong?

Thanks In Advance,
Bill Ellis
 


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