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Open Trunking, Enabling and Configuring Open Trunking

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Optional Features Open Trunking Interswitch links (ISLs) connect ports between E_Ports on Fibre Channel switches and link these switches into a multiswitch fabric. Multiple ISLs may be connected between the switches in the fabric. Data from an attached end device (server or storage) flows through these ISLs to a target end-device connected to a switch somewhere in the fabric. A data flow is data received from a specified receive port that is destined for a port in a specified target domain (switch). The list of ISLs that are candidates for being rerouted (to or from) is derived from the fiber shortest path first (FSPF) algorithm. The Open Trunking feature monitors the average data rates of all traffic flows on ISLs (from a receive port to a target domain), and periodically adjusts routing tables to reroute data flows from congested links to lightly loaded links and optimize bandwidth use. The objective of Open Trunking is to make the most efficient possible use of redundant ISLs between neighboring switches, even if these ISLs have different bandwidths. Load-balancing among the ISLs does not require user configuration, other than enabling Open Trunking. However, if desired you can modify default settings for congestion thresholds (per port) and low BB_Credit threshold. In particular, you do not need to manually configure ISLs into trunk groups of redundant links where data can be off-loaded. Candidate links for rerouting flow are identified and maintained automatically. This means that flow may be rerouted onto a link that goes to a different adjacent switch, as long as that link is on the least cost/shortest path to the destination domain ID. To install and enable this option, choose the Configure Feature Key option under the Product Manager's Configure menu. Refer to "Configuring Feature Key" on page 143. Enabling and Configuring Open Trunking To enable Open Trunking for a specific switch and configure threshold values and event notification options, use the following steps. 1. Choose Open Trunking from the Configure menu. The Configure Open Trunking dialog box displays, as shown in Figure 65. Director Product Manager User Guide 199

Section	Page
Contents	3
About this Guide	13
Overview	14
Intended Audience	14
Related Documentation	14
Conventions	15
Document Conventions	15
Table 1: Document Conventions	15
Text Symbols	15
Equipment Symbols	16
Rack Stability	18
Getting Help	19
HP Technical Support	19
HP Storage Website	19
HP Authorized Reseller	19
Product Manager Overview	21
Managing the StorageWorks Director 2/64 and Director 2/140	22
HAFM Management Menu Options	23
HAFM	23
View Tabs	23
Product Menu	23
Fabrics Menu	23
View Menu	24
Configure Menu	24
Logs Menu	25
Maintenance Menu	25
Help	25
Product Manager	25
View Tabs	26
Product Menu	26
Configure Menu	27
Logs Menu	28
Maintenance Menu	28
Help Menu	28
Product Manager Description	29
Figure 1: Typical network configuration	31
Using the Product Manager	32
Using Dialog Boxes	32
Keyboard Navigation	32
Illustrations Used in This Manual	32
Logging in to the HAFM Application	32
Figure 2: HAFM application icon	33
Figure 3: Main HAFM window	34
Opening the Product Manager	34
Figure 4: StorageWorks Director 2/64 and Director 2/140 icons	35
Figure 5: StorageWorks Director 2/64 Product Manager window	35
Figure 6: StorageWorks Director 2/140 Product Manager window	36
Window Layout and Function	36
Menu Bar	37
Status Bar	47
Table 2: Operating Status-Status Bar and Director Status	47
Figure 7: Hardware View	50
Figure 8: Port Card View	53
Figure 9: Port List View	54
Figure 10: FRU List View	56
Figure 11: Node List View	57
Figure 12: Performance View	58
Closing the Product Manager	59
User Rights	60
User Rights for Specific Functions	61
Table 3: User Rights for Product Manager	61
Backing Up and Restoring Product Manager Data	64
Restoring Data to the HAFM server	65
Using the Backup Application	65
Monitoring and Managing the Director	67
Hardware View	68
Identifying FRUs	68
Monitoring Director Operation	69
Director Status Table	69
Status Bar Indicator	71
Monitoring Hardware Operation	71
Figure 13: Monitoring hardware operation-Director 2/64 Hardware View	72
Figure 14: Monitoring hardware operation-Director 2/140 Hardware View	73
Obtaining Hardware Information	75
Displaying FRU Information	75
Figure 15: FRU Properties dialog box	76
Figure 16: Port Card FRU Properties dialog box	76
Displaying Director Information	76
Figure 17: Director Properties dialog box	77
Using Menu Options	78
Director Menu	78
Figure 18: Configure Date and Time Periodic Synchronization dialog box	80
Figure 19: Configure date and time (manually)	80
Figure 20: Set Online State dialog box (Online)	81
Port Card Menu	81
Port Menu	82
CTP Card Menu	82
Figure 21: Switchover CTP dialog box	83
Fan Module	83
SBAR Card Menu	83
Using the Port Card View	84
Symbols and Indicators	84
Figure 22: Port Card View	84
Displaying Port Information	85
Figure 23: Port Properties dialog box	85
Port Card Menu	89
Port Menu	89
Figure 24: Port Binding dialog box	92
Figure 25: Clear Threshold Alerts dialog box	93
Port List View	94
Figure 26: Port List View	94
Menu Options	96
FRU List View	98
Figure 27: FRU List View	98
Node List View	100
Figure 28: Node List View	100
Menu Options	102
Displaying Node Properties	102
Figure 29: Node Properties dialog box	103
Performance View	105
Figure 30: Performance View	105
Menu Options	105
Bar Graph Display	106
Port Statistics	106
Statistics Description	107
Troubleshooting Tips	111
Button Functions	111
Port Operational States	112
Table 4: Port States and Indicators	112
Link Incident Alerts	115
Threshold Alerts	116
Configuring the Director	117
Configuring Director Identification	118
Figure 31: Configure Identification dialog box	118
Configuring Switch Parameters	119
Figure 32: Configure Switch Parameters dialog box (Director 2/64)	119
Figure 33: Configure Switch Parameters dialog box (Director 2/140)	119
Switch Parameters	120
Domain ID	120
Rerouting Delay	121
Domain RSCNs	122
Suppress RSCN’s on zone set activations	122
Director Speed (Director 2/64 Only)	122
Management Style	123
Configuring Fabric Parameters	124
Figure 34: Configure Fabric Parameters dialog box	124
Fabric Parameters	125
BB_Credit	125
R_A_TOV	125
E_D_TOV	125
Switch Priority	126
Interop Mode	126
Configuring Switch Binding	127
Configuring Ports	127
Warning and Error Messages	130
Figure 35: Warning! dialog box	131
Menu Options	131
Configuring Ports in the Open Systems Management Style	133
Figure 36: Configure Ports dialog box (Open Systems management style)	133
Configuring Ports in the FICON Management Style	135
Figure 37: Configure Ports dialog box (FICON management style)	135
Configuring Port Addresses	136
Parameters	136
Figure 38: Prohibited Port Connection symbol	137
Figure 39: Configure Addresses - “Active” dialog box	138
Managing Stored Address Configurations	139
Figure 40: Address Configuration Library dialog box	140
Configuring SNMP Trap Message Recipients	141
Figure 41: Configure SNMP dialog box	142
Configuring Open Systems Management Server	143
Configuring FICON Management Server	143
Configuring Feature Key	143
Figure 42: Configure Feature Key dialog box	144
Figure 43: New Feature Key dialog box	144
Configuring Director Date and Time	146
Figure 44: Configure Date and Time dialog box	146
Setting Date and Time Manually	146
Synchronizing Date and Time	147
Configuring Threshold Alerts	148
Creating New Alerts	148
Figure 45: Configure Threshold Alerts dialog box	149
Figure 46: New Threshold Alerts dialog box-first screen	149
Figure 47: New Threshold Alerts dialog box-second screen	150
Figure 48: New Threshold Alerts dialog box-third screen	151
Figure 49: New Threshold Alerts dialog box-summary screen	152
Figure 50: Configure Threshold Alerts dialog box-alert activated	152
Modifying Alerts	153
Activating or Deactivating Alerts	153
Deleting Alerts	154
Configure Open Trunking	154
Exporting the Configuration Report	155
Figure 51: Export Configuration Report dialog box	155
Enabling Embedded Web Server	156
Enabling Telnet	156
Backing Up and Restoring Configuration Data	157
Using Logs	159
Using Logs	160
Button Functions	160
Figure 52: Save dialog box-log windows	161
Expanding Columns	161
Sorting Entries	161
Audit Log	162
Figure 53: Audit Log	162
Event Log	164
Figure 54: Event Log	164
Table 5: Event Codes	164
Hardware Log	167
Figure 55: Hardware Log	167
Table 6: FRU Names	167
Link Incident Log	169
Figure 56: Link Incident Log	169
Threshold Alert Log	171
Figure 57: Threshold Alert Log	171
Open Trunking Log	172
Using Maintenance Features	173
Port Diagnostics	174
Swap Ports	174
Figure 58: Swap Ports dialog box	174
Notes	175
Collect Maintenance Data	175
Execute an IPL	176
Figure 59: IPL Confirmation dialog box	176
Set Online State	177
Manage Firmware Versions	178
Enable E-Mail Notification	178
Enable Call-Home Notification	179
Notes	179
Backup and Restore Configuration	180
Figure 60: Backup and Restore Configuration dialog box	180
Reset Configuration	182
Table 7: Data Default Values	183
Optional Features	185
FICON Management Server	186
Installation	186
Configuring the FICON Management Server	186
Table 8: Available Code Pages	187
Figure 61: Configure FICON Management Server dialog box	188
Open Systems Management Server	189
Installation	189
Configuring the Open Systems Management Server	189
Figure 62: Configure Open Systems Management Server dialog box	189
SANtegrity Binding Features	190
Fabric Binding	190
Enable/Disable and Online State Functions	191
Switch Binding	191
Configuring Switch Binding-Overview	191
Enable/Disable Switch Binding	192
Figure 63: Switch Binding State Change dialog box	192
Editing the Switch Membership List	193
Figure 64: Switch Binding Membership List dialog box	194
Enable/Disable and Online State Functions	195
Zoning with Switch Binding Enabled	196
Enterprise Fabric Mode	196
Features and Parameters Enabled	197
Open Trunking	199
Enabling and Configuring Open Trunking	199
Figure 65: Configure Open Trunking dialog box	200
Pop-Up Menu	202
Open Trunking Log	202
Figure 66: Open Trunking Log	203
Information and Error Messages	205
StorageWorks Director Product Manager Messages	206
Table 9: Product Manager Messages	206
Index	231
A	231
B	231
C	231
D	233
E	234
F	235
G	236
H	236
I	237
K	237
L	237
M	238
N	238
O	239
P	239
R	241
S	242
T	243
U	243
V	243
W	243

Match case Limit results 1 per page

Optional Features

199

Director Product Manager User Guide

Open Trunking

Interswitch links (ISLs) connect ports between E_Ports on Fibre Channel switches

and link these switches into a multiswitch fabric. Multiple ISLs may be connected

between the switches in the fabric. Data from an attached end device (server or

storage) flows through these ISLs to a target end-device connected to a switch

somewhere in the fabric. A data flow is data received from a specified receive port

that is destined for a port in a specified target domain (switch). The list of ISLs

that are candidates for being rerouted (to or from) is derived from the fiber

shortest path first (FSPF) algorithm.

The Open Trunking feature monitors the average data rates of all traffic flows on

ISLs (from a receive port to a target domain), and periodically adjusts routing

tables to reroute data flows from congested links to lightly loaded links and

optimize bandwidth use. The objective of Open Trunking is to make the most

efficient possible use of redundant ISLs between neighboring switches, even if

these ISLs have different bandwidths.

Load-balancing among the ISLs does not require user configuration, other than

enabling Open Trunking. However, if desired you can modify default settings for

congestion thresholds (per port) and low BB_Credit threshold.

In particular, you do not need to manually configure ISLs into trunk groups of

redundant links where data can be off-loaded. Candidate links for rerouting flow

are identified and maintained automatically. This means that flow may be

rerouted onto a link that goes to a different adjacent switch, as long as that link is

on the least cost/shortest path to the destination domain ID.

To install and enable this option, choose the

Configure Feature Key

option

under the Product Manager’s

Configure

menu. Refer to “

Configuring Feature

Key

” on page 143.

Enabling and Configuring Open Trunking

To enable Open Trunking for a specific switch and configure threshold values and

event notification options, use the following steps.

Choose

Open Trunking

from the

Configure

menu. The

Configure Open

Trunking

dialog box displays, as shown in

Figure 65