Dell Brocade 1020 Brocade Adapters Installation and Reference Manual - Page 233

Managing instance-specific persistent parameters, vHBA Interrupt parameters

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Storage instance-specific persistent parameters A TABLE 33 Function Adapter instance-specific parameters (continued) Parameter Default Value Possible Values BCU Command port speed bfa#-port-speed 0 0: auto select 1: 1 Gbps (HBAs) 2: 2 Gbps (HBAs) 4: 4 Gbps (HBAs) 8: 8 Gbps (HBAs) 16:16 Gbps (HBAs) 10: 10 Gbps (CNAs) port --speed port topology bfa#-port-topology 1 port enable bfa#-port-enable 0 1: point to point 3: autoselect 0: True 1: False port --topology port --enable port --disable Notes Brocade 425 and 415, and 804 support 1, 2, 4, and 8 Gbps Brocade 1860 support 2,4,8, and 16 Gbps 8 Gbps HBAs support 1 Gbps at the driver level, but not in a BIOS or boot over SAN configuration. Managing instance-specific persistent parameters Use BCU commands to modify instance-specific persistent parameters for storage drivers. For details on using these commands, refer to the Brocade Adapters Administrator's Guide. vHBA Interrupt parameters Following is an example of modifying the vHBA interrupt parameters. bcu vhba --intr {on|off} [

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Brocade Adapters Installation and Reference Manual
205
53-1002144-01
Storage instance-specific persistent parameters
A
Managing instance-specific persistent parameters
Use BCU commands to modify instance-specific persistent parameters for storage drivers. For
details on using these commands, refer to the
Brocade Adapters Administrator’s Guide
.
vHBA Interrupt parameters
Following is an example of modifying the vHBA interrupt parameters.
bcu
vhba
--intr <pcifn-id> <-coalesce | -c> {on|off} [<-l <usecs> <-d <usecs>
where:
pcifn-id
PCI function number for the port where you want to set the log level.
-
coalesce
| c
Sets the coalesce flag. Possible values are on or off.
-l latency
Sets the latency monitor timeout value. Latency can be between 0 to 225
microseconds. A latency value of 0 disables latency monitor timeout
interrupt.
-d delay
Sets the delay timeout interrupt value. A delay can be between 0 to 1125
microseconds. A delay value of 0 disables the delay timeout interrupt.
NOTE
You can also modify vHBA Interrupt Coalescing parameters through HCM. Refer to the
Brocade
Adapters Administrator’s Guide
for details.
port speed
bfa#-port-speed
0
0: auto select
1: 1 Gbps (HBAs)
2: 2 Gbps (HBAs)
4: 4 Gbps (HBAs)
8: 8 Gbps (HBAs)
16:16 Gbps (HBAs)
10: 10 Gbps (CNAs)
port --speed
Brocade 425
and 415, and
804 support 1,
2, 4, and 8
Gbps
Brocade 1860
support 2,4,8,
and 16 Gbps
8 Gbps HBAs
support 1 Gbps
at the driver
level, but not in
a BIOS or boot
over SAN
configuration.
port topology
bfa#-port-topology
1
1: point to point
3: autoselect
port --topology
port enable
bfa#-port-enable
0
0: True
1: False
port --enable
port --disable
TABLE 33
Adapter instance-specific parameters
(continued)
Function
Parameter
Default Value
Possible Values
BCU Command
Notes