IBM DR550, Problem Determination And Service Manual

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Table 16. Ethernet LED patterns (continued)
LED name, location LED color Status of hardware Recommended action
Ethernet Speed No light Port speed is 10 Mbps. No action required.
Steady green Port speed is 100 Mbps.
DR550 SAN Switch zoning
The DR550 SAN Switch, shown in Figure 12, is zoned as shown in Table 17.
Table 17. DR550 SAN Switch zoning
Ports Usage
Zone 1 Shortwave ports 0 and 2 SSAM Server and Storage
Controller
Zone 2 Shortwave ports 1 and 3 SSAM Server and Storage
Controller
Zone 3 Shortwave ports 4, 5, 6 and 7 External Tape storage system
Zone 4 Shortwave port 8 Storage Controller with
Enhanced Remote Mirror
Zone 5 Shortwave port 9 Enhanced Remote Mirror
Unzoned
Shortwave port 10 Connection to remote SAN
switch
Shortwave port 11 Unused
Longwave port 12 Connection to remote SAN
switch
Longwave ports 13, 14 and
15
Unused
SAN switch failures
To diagnose SAN switch failures:
v
Use SAN Switch service manuals and Best Practices Guide (SAN16B-2) available
at http://ibm.brocadeassist.com/brocdoc/viewSummary.jsp?cat_id=66673641.
v
Install, service, and use the IBM TotalStorage
®
SAN Switch 2005
(ftp://service.boulder.ibm.com/storage/san/brcd/instservhxx.pdf).
v Check SAN switch LED indicators (green lights on ports indicate switch sees the
attached devices).
v
Check switch status via RS232 and use the command line or the direct LAN
interface and browse to the switch.
Figure 12. DR550 SAN Switch ports
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DR550 Version 4.5 Problem Determination and Service Guide