On Thu, 2006-11-23 at 23:55 -0800, djshetty wrote: > 1. Is persistent reservation applied on a target port or on a particular > LUN connected to a target port. The SCOPE of persistent reservation says > "Entire LOGICAL UNIT", whereas the registration is done for a target PORT. > Hence the confusion. For multi-ported devices it's per LUN per port (unless you specify all target ports). > 2. Is there any precise use of the PRGeneration key? I guessed it must be > used for knowing whether any changes have been on the target (with regards > to persistent reservation) since the previous command executed. That's the stated use in section 5.6.5.3 of SPC-3, yes. James - 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