On Thu, Oct 30, 2008 at 11:04 AM, FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote: > On Wed, 29 Oct 2008 12:26:58 +0100 > Tomasz Chmielewski <mangoo@xxxxxxxx> wrote: >> Is it possible to send a reset/rescan to all initiators connected to a >> given target, which would trigger the initiator to rescan the device >> (and its size)? > > A scsi device can notify initiators of such event via UA (unit > attention), google "CAPACITY DATA HAS CHANGED". tgt has the mechanism > to handle UA so it's easy to support it. However, on the initiator > side, Linux doesn't detect such event automatically. > -- I guess this is dependent on the transport, but at least for iSCSI the way to do this by sending an AsynchronousRequest to the initiator. To send to connected initiators when a lun changes in size, also to all connected (and affected) initiators if the lun masking changes for the target. Are you saying that Linux initiators do not understand AsyncRequest PDUs ? regards ronnie sahlberg -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
