Re: LVM

[Adam Hamsik <haaaad%gmail.com@localhost>]

Hi jeff,
On Apr,Friday 3 2009, at 7:59 PM, Jeff Rizzo wrote:

Great to here that you are trying LVM :).

> I've just started playing with the LVM stuff added in December, and  
> I'm running into some issues - perhaps someone can point out either  
> what I'm doing wrong or where the process itself is flawed.
>
> I started off by building -current (as of yesterday) with MKLVM, so  
> libdevmapper and lvm userland bits are installed.  My kernel is  
> fairly close to GENERIC (some extra debugging, mostly).
>
> For this testing, I'm planning on using various pieces of wd1, a  
> 750GB SATA disk.  First step will be a single partition:
>
> 5 partitions:
> #        size    offset     fstype [fsize bsize cpg/sgs]
> c: 1465149105        63     unused      0     0        # (Cyl.       
> 0*- 1453520)
> d: 1465149168         0     unused      0     0        # (Cyl.       
> 0 - 1453520)
> e: 1465149100        68    unknown                     # (Cyl.       
> 0*- 1453520)
>
>
> ...I'll be using /dev/rwd1e  (yes, the offset is weird.  disklabel  
> ickiness that I didn't feel like dealing with)
>
> After boot, I load the devmapper:
>
> # modload dm
>
> Then, try to pvcreate:
>
> # lvm pvcreate /dev/rwd1e
>  /dev/log: open failed: Operation not supported
>  /dev/wd0a: open failed: Device busy
>  Device /dev/rwd1e not found (or ignored by filtering).

I tried to reproduce this in my testing machine and it worked fine.  
Can you post log from
lvcreate -vvvv pvcreate /dev/rwd1e ?

Regards

Adam.