LVM on dmraid breakage

[Bryn M. Reeves]

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Luca Berra wrote:
> Two things come to mind
> 1) dmraid should use ioctl BLKPG_DEL_PARTITION, to clean up any eventual
> partition table on component devices
> 
> 2) lvm tool filter could be modified to check if a device has been
> already claimed by device-mapper.
> 

But device-mapper already opens devices exclusively when a target claims
them.

The problem here sounds more like it's down to ordering; LVM2 is being
given a chance to scan the devices & build LVs / claim devices before
dmraid gets a look at them.


Kind regards,
Bryn.
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