[dm-devel] [multipath] SCSI device capacity mess

[James Bottomley]

On Wed, 2004-10-27 at 15:02, christophe varoqui wrote:
> I wonder if it's not simpler just to remove the NOSTARTONADD flag on
> this devices in scsi_devinfo.c. I tested that and all the READ CAPACITY
> succeed as expected (DEC HSG80 / COMPAQ HSV*).
> 
> Wasn't this flag in part motivated by the lack of multipath support
> anyway ?
> 
> Even in a cluster context, I don't really buy the annoyance of
> occasional LUN ping-pong.

It's not occasional, it happens every time a single machine in the
cluster reboots and the HSG80 can take a while to transfer luns. 
Configure one with several hundred luns in a 32 node cluster and you'll
see why this flag exists...

James