Reference Guide
For example, to activate both credit loss and loss of sync with link reset and NO threshold, use the following command:
switch:admin> creditrecovmode --cfg onLrOnly
For example, to activate both credit loss and loss of sync with link reset and threshold (10), use the following command:
switch:admin> creditrecovmode --cfg onLrThresh --lrthreshold 2
switch:admin> creditrecovmode –show
Internal port credit recovery is Enabled with LrThresh
Back end port Loss of Sync's Link Reset is Enabled with LrThresh
LR threshold (currently activated): 2
Fault Option : COREBLADE
C2 FE Complete Credit Loss Detection is Disabled
For example, to enable link reset for credit loss alone, use the following command.
switch:admin> creditrecovmode --be_crdloss on
switch:admin> creditrecovmode --show
Internal port credit recovery is Enabled with LrThresh
Back end port Loss of Sync's Link Reset is Disabled
LR threshold (currently activated): 2
Fault Option : COREBLADE
C2 FE Complete Credit Loss Detection is Disabled
For example, to disable link reset for credit loss alone, use the following command.
switch:admin> creditrecovmode --be_crdloss off
switch:admin> creditrecovmode --show
Internal port credit recovery is Disabled
Back end port Loss of Sync's Link Reset is Enabled with LrThresh
LR threshold (currently activated): 2
Fault Option : COREBLADE
C2 FE Complete Credit Loss Detection is Disabled
For example, to enable link reset for loss of sync alone, use the following command.
switch:admin> creditrecovmode --be_losync on
switch:admin> creditrecovmode --show
Internal port credit recovery is Enabled with LrThresh
Back end port Loss of Sync's Link Reset is Enabled with LrThresh
LR threshold (currently activated): 2
Fault Option : COREBLADE
C2 FE Complete Credit Loss Detection is Disabled
For example, to disable link reset for loss of sync alone, use the following command.
switch:admin> creditrecovmode --be_losync off
switch:admin> creditrecovmode --show
Internal port credit recovery is Disabled
Back end port Loss of Sync's Link Reset is Disabled
LR threshold (not currently activated): 2
Fault Option : COREBLADE
C2 FE Complete Credit Loss Detection is Disabled
Back-end credit loss detection and recovery for link faults
The following table identifies the blade that is faulted based on the factors.
TABLE 19
Blade fault scenarios
Fault Option Back-end link failure
location
Edge chip fault count Core chip fault count Faulted blade when
director has single
active core
Faulted blade when
director has dual active
cores
edgeblade Edge Blade N/A N/A Edge Blade Edge Blade
edgeblade Core Blade N/A N/A Edge Blade Edge Blade
Buffer-to-Buffer Credits and Credit Recovery
Brocade Fabric OS Administration Guide, 8.0.1
53-1004111-02 143