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always try READ CAPACITY 16 on devices claiming to be SCSI-3.
many performance and reliability improvements as a result of new SCSI midlayer:
+ - introduce round-robin scheduling of resources for outstanding device commands to prevent a single device from monopolising the bus.
+
- significant reduction in memory consumption used for tracking devices attached to buses.
- eliminate many unnecessary splbio/splx calls in SCSI drivers.
- eliminate many use after free's exposed by new SCSI midlayer.
- eliminate scsi_scsi_cmd(), simplifying calling inside SCSI midlayer.
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alt="OpenBSD">
www@openbsd.org
! $OpenBSD: 48.html,v 1.30 2010/10/24 16:21:19 stsp Exp $