Re: md lock issue, I suppose

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On Mon, 21 Jun 2010 23:25:21 +0200
Piergiorgio Sartor <piergiorgio.sartor@xxxxxxxx> wrote:

> Any other suggestions or ideas?
> 

You cannot use the BLKRRPART ioctl while any partition of the device is open.
However you can use BLKPG_ADD_PARTITION to add a new partition providing it
doesn't overlap any existing partition.
Unfortunately parted doesn't use this ioctl, nor am I aware of anything which
does. (Google suggests something called DeviceKit does, but I know nothing
about that).
You could write a program which reads the the partition table and tries to
add each partition individually.  Some might fail but others might succeed.
... or maybe you don't need to- 'partx' in util-linux-ng seems to do what you
want.

NeilBrown
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