Re: [linux-lvm] LVM on 2.2.17 (again)

[John DeFranco <defranco@cup.hp.com>]

Hi everyone,

Thanks to everyone that responded. Peter Green 
solved my problem by pointing me to the SuSE lvm
tools (at http://rpmfile.net/linux/RPM/LByName.html).
Installed those and this is working ok.
 
John DeFranco wrote:
> 
> Thanks! That helped alot. One other question,
> I wanted to pvcreate a software RAID device
> (/dev/md0 in this case). This is a simple two
> disk mirror (since LVM does not do mirroring).
> It would not let me do this however. The FAQ
> seems to indicate that I can (at least that
> the way I am interpreting the last section:
> 
>   I recommend to use dedicated hardware RAID
>   subsystems or Multiple Devices to have the
>   redundancy below the LVM. In this case you
>   just don't care about Logical Volume data
>   redundancy and you don't run into the
>   dangerous situation that your data is
>   not redundant by accident.
> ).
> 
> Does anyone know if this is possible and if so how
> to accomplish it?
> 
> Thanks!
> 
> Andreas Dilger wrote:
> >
> > John DeFranco writes:
> > > I've checked the LVM email archives so I know there has
> > > been lots of discussions on how to get LVM to work on
> > > 2.2.17, but unfortunately I'm having problems just
> > > building the kernel. I started with Turbolinux Server
> > > 6.0.2 (which is 2.2.14) and then added the 2.2.15-2.2.17
> > > patches. When I build I get:
> > >
> > > lvm-snap.c:28: linux/iobuf.h: No such file or directory
> > > lvm-snap.c: In function `lvm_snapshot_COW':
> > > lvm-snap.c:253: dereferencing pointer to incomplete type
> > > lvm-snap.c:257: warning: implicit declaration of function
> > > `brw_kiovec'
> > > lvm-snap.c: In function `lvm_snapshot_alloc_iobuf_pages':
> > > lvm-snap.c:308: warning: implicit declaration of function
> > > `expand_kiobuf'
> >
> > Are you using my 2.2 patches (which is a backport of 0.8final from 2.4)?
> > In this case you need to also apply the RAWIO patches available at
> > Stephen Tweedie's site  ftp://ftp.linux.org.uk/pub/linux/sct/
> > Alternately, if you don't need/want LVM snapshots, you can delete lvm-snap.c,
> > and delete the references in lvm.c to any "snap" functions, etc.  There
> > are about half a dozen places where this happens.  If I get around to
> > it, I will update my patch to simplify turning off lvm snapshots...
> >
> > Cheers, Andreas
> > --
> > Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
> >                  \  would they cancel out, leaving him still hungry?"
> > http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert
> 
> --
> ==========
> Cheers
>    -jdf

-- 
==========
Cheers
   -jdf