Fujitsu MAN3184 Manual Do Utilizador

C141-E124-01EN

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The response of the IDD when it receives a new command while it is in the sense data hold state,
and conditions for releasing the sense data hold state are shown below.

1) If a command is issued to the logical unit in the sense data hold state by the INIT which is the

object of sense data holding.

–

In the case of an untagged command

REQUEST SENSE command:

The sense data held by the IDD are transferred to the INIT
and the sense hold state is released.

Other commands:

The sense data hold state is released and the command is
executed normally if commands issued from the INIT are
not queued.  If commands issued from the INIT are queued,
the commands are treated as overlapping commands.

–

In the case of a tagged command

The BUSY status is reported and the sense data hold state is released.

2) If a command is issued to the logical unit in the sense data hold state from an INIT which is not

the object of sense data holding, the sense data hold state is not released and the command is
queued.

3) In the following cases, the sense data hold state is released and the sense data being held are

lost.

–

The RESET condition occurs on the SCSI bus.

–

A TARGET RESET message is issued by any INIT.

–

An ABORT TASK SET message is issued by an INIT for which sense data held for the logical
unit in the sense data hold state.