[linux-lvm] Disk crash , LVM and ext2... (bis)

[Emmanuel Varagnat]

Heinz J . Mauelshagen wrote:
> We don't support zeroing of the data in the error case so far and do return
> an io error to the application. Later we plan to as an option.
> 
> So today you get a read error if the block is not available and the data
> is not zeroed in memory. No need to (ab)use LV_BMAP.
> 
> If your application needs to distinguish those cases anyways, you would want
> to stay with 'io error returned'.

Ok it works as I expected.
The error was coming from the fact that _I_ zeroed the partition to let 
the LVM utilties think that the PV isn't here. So the data returned was 
effectively coming from the partition.
Instead I delete the partition, reboot and retest.

Thanks for taking time to answer.

-=( manu )=-