IBM Midrange System DS4000 Series Hardware Manual page 427

Storage Subsystem Profile
The Storage Subsystem Profile (Example 7-8) includes a section on drive channels. This
provides a useful summary of status together with cumulative errors accumulated on each
drive channel since the last controller reset (or since the counters were cleared).
Example 7-8 Storage Subsystem Profile
DRIVE CHANNEL 1
Port: 8, 7, ESM A 1B
Status: Degraded
Max. Rate: 4 Gbps
Current Rate: 4 Gbps
Rate Control: Auto
Controller A link status: Up
Controller B link status: Up
Trunking active: No
DRIVE COUNTS
Total # of attached drives: 16
Connected to: Controller A
Attached drives: 16
Drive enclosure: 0 (16 drives)
CUMULATIVE ERROR COUNTS
Controller A
Baseline time set:
Sample period (hh:mm:ss):
Controller detected errors: 0
Drive detected errors:
Timeout errors:
Link down errors:
Total I/O count:
Controller B
Baseline time set:
Sample period (days, hh:mm:ss): 13 days, 03:37:27
Controller detected errors:
Drive detected errors:
Timeout errors:
Link down errors:
Total I/O count:
Chapter 7. Advanced maintenance, troubleshooting, and diagnostics
23/09/09 15:38:31
00:11:07
23160
0
N/A
6512
10/09/09 12:12:52
2
1026598
0
N/A
65525656
409