Quantum SuperLoader 3 Guide de l'utilisateur Page 129

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Chapter 2 Media Changer Commands
Release Element (10) Command (57h)
Quantum SuperLoader 3 Software Interface Guide 113
Release Element (10) Command (57h)
The RELEASE and the RESERVE commands are used for contention
resolution in multiple-initiator systems. The
RELEASE (10) command is
used to release a previously reserved logical unit. The media changer will
not return an error if the initiator attempts to release a reservation that is
not currently valid.
Figure 66 Release (10)
Descriptor Block
Bit
Byte765432 1 0
0
Operation Code (57h)
1
Reserved 3rdPty Reserved LongID Element
2
Reservation Identification
3
Third Party Device ID
4 - 6
Reserved
7 - 8
(MSB)
Parameter List Length
(LSB)
9
Unused Reserved Flag Link
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