Product specifications

Infortrend
8-16
5.1
HOST-SIDE PARAMETERS................................................................................. 1
Foreword: SCSI Channel, SCSI ID, and LUN......................................................................1
5.1.1 Maximum Concurrent Host LUN Connection (“Nexus” in SCSI) ...................................2
5.1.2 Number of Tags Reserved for Each Host-LUN Connection ............................................3
5.1.3 Maximum Queued I/O Count ...........................................................................................3
5.1.4 LUNs per Host ID.............................................................................................................4
5.1.5 LUN Applicability ............................................................................................................5
5.1.6 Peripheral Device Type.....................................................................................................5
5.1.7 In-band (SCSI channel).....................................................................................................5
5.1.8 Peripheral Device Type Parameters for Various Operating Systems................................6
5.1.9 Cylinder/Head/Sector Mapping ........................................................................................8
5.2 DRIVE-SIDE PARAMETERS: ...........................................................................10
5.2.1 Disk Access Delay Time.................................................................................................11
5.2.2 Drive I/O Timeout...........................................................................................................11
5.2.3 Maximum Tag Count: Tag Command Queuing (TCQ) and Native Command Queuing
(NCQ) Support.........................................................................................................................12
5.2.4 Drive Spindown Idle Delay Period .................................................................................14
5.2.5 Drive Delayed Write .......................................................................................................14