Fujitsu MBC2073RC Manual Do Utilizador

Página de 439
Sense Data and Error Recovery Methods 
 
372 
C141-C013 
6.2   INIT Error Recovery Methods (Recommended)  
When a single command or a series of linked commands are not terminated with a 
status reported, the INIT should execute error recovery processing corresponding 
to the state in which the command was terminated.  Here, the procedure for 
analyzing the command execution termination state and recommended procedures 
for error recovery processing executed by the INIT in accordance with the results 
are explained. 
6.2.1  Termination status analysis and error recovery methods 
Figure 6.1 shows a model of the INIT's general processing flow from issuing of 
the command until reception of the termination status. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Figure 6.1  Analysis of the termination status 
END 
status received ? 
Timeout ? 
See item (3). 
GOOD 
TASK FULL 
Yes 
Yes 
Yes 
No 
No 
No 
Normal end 
To item (1) 
To item (2) 
Yes 
No 
Yes 
Command issue 
PRESERVATION 
CONFLICT 
To Section 5.2.2