Dell PowerVault ML6000 Dell PowerVault ML6000 SCSI Reference Guide - Page 55
Device Capabilities Fh), All Mode s (3Fh), Import/Export I/E
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Device Capabilities Page (1Fh) The Device Capabilities page defines the rules governing cartridge movement within the library. It describes from which element type to the next a cartridge can be moved, directly defining which element types can be used as either source or target elements. The library does not allow the medium transport element (accessor) to be a target, and only as a source on a limited basis. Table 43 Device Capabilities Page (1Fh) Bit Byte 7 6 5 4 3 2 1 0 0 PS Rsvd Page Code (1Fh) 1 Parameter List Length = 0Eh 2 Reserved DT 1 I/E 1 ST 1 MT 0 3 Reserved 4 Reserved MT to DT 0 MT to I/E 1 MT to ST 1 MT to MT 0 5 Reserved ST to DT 1 ST to I/E 1 ST to ST 1 ST to MT 0 6 Reserved I/E to DT 1 I/E to I/E 1 I/E to ST 1 I/E to MT 0 7 Reserved DT to DT 1 DT to I/E 1 DT to ST 1 DT to MT 0 8 Reserved 15 Parameters Savable (PS) - This page is not savable, and this field is set to zero. Page Code - This field identifies the Device Capabilities mode page and returns 1Fh. Parameter List Length - This field is set to 0Eh (14). Data Transfer (DT) - This field is set to 1 to indicate that the data transfer elements (drives) can store cartridges. Import/Export (I/E) - This field is set to 1 to indicate that the Import/Export elements can store cartridges. Storage (ST) - This field is set to 1 to indicate that the storage elements can store cartridges. Medium Transport (MT) - This field is set to 0 to indicate that the accessor cannot store cartridges. The remaining element type to element type fields describe the allowable source to target transitions. A zero is returned for any transition involving the Medium Transport (MT) except for when the MT is a source and the destination is either I/E or Storage. A one is returned for all other transitions. All Mode Pages (3Fh) When this page is requested, all supported mode pages are returned in ascending order. PowerVault ML6000 SCSI Reference Guide 45
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