On Jul 18, 2012, at 10:17 AM, Michael S. Tsirkin wrote: <snip> >> You do have to pay very close attention to some things however. Don't change the device identity in any way - even version information, otherwise a Windows initiator will blue-screen. I made that mistake myself, so I remember it well. It seemed like such an innocent change. I don't recall there being any issue with adding commands and we did do that on occasion. > > How about removing commands? Good question. With the storage system I am familiar with, that would only be a risk if firmware were downgraded. Downgrading would never have been recommended. I am sure that if something like persistent reserve suddenly went away it would cause big trouble for some initiators. -- Mark Rustad, LAN Access Division, Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html