Thread: scsi luns
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Old 21 April 2013, 23:29   #2
emufan
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Join Date: Feb 2012
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a good thread about that issue. some quotes:

Quote:
The ID is set by jumpers on the back of the device.
The LUN is set by the device internally and cannot be changed. (Except perhaps by a firmware update)

In case of the multi-reader the LUN corresponds to the slot. The SCSI ID is equal for all slots. The combination of LUN and ID determines the Unit.
Quote:
LUNs being MSB and SCSI ID as LSB
( of the UNIT in mountlist )
Quote:
SCSI ID 2 becomes Unit 2, not Unit 20.

Unit = 2 means ID = 2, LUN = 0
Unit = 20 means ID = 0, LUN = 2

Last edited by prowler; 21 April 2013 at 23:36. Reason: Changed link from opening post to thread.
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