Table 9: lpfc Static Parameters (Requires a driver reload to change) (Continued)

 

 

 

 

 

Visible

Variable

Default

Min

Max

Comments

using

 

 

 

 

 

sysfs

 

 

 

 

 

 

 

 

 

 

 

 

lpfc_max_luns

256

1

32768

Specifies the maximum

Yes

 

 

 

 

number of LUN IDs per

 

 

 

 

 

target. A value of 20 means

 

 

 

 

 

LUN IDs from 0 to 19 are

 

 

 

 

 

valid. The SCSI layer will

 

 

 

 

 

scan each target until it

 

 

 

 

 

reaches the specified LUN

 

 

 

 

 

ID.

 

 

 

 

 

 

 

lpfc_multi_ring_support

1

1

2

Determines the number of

No

 

 

 

 

primary SLI rings over

 

 

 

 

 

which to spread IOCB

 

 

 

 

 

entries.

 

 

 

 

 

 

 

lpfc_poll

0

1= poll wiith

Sets FCP ring polling mode

Yes

 

 

interrupts enabled

control.

 

 

 

3 = poll and disable

 

 

 

 

FCP ring interrupts

 

 

 

 

 

 

 

 

lpfc_poll_tmo

10

1

255

Milliseconds the driver

Yes

 

 

 

 

waits between polling FCP

 

 

 

 

 

ring interrupts.

 

 

 

 

 

 

 

All lpfc dynamic parameters are read/write using sysfs.

Table 10: lpfc Dynamic Parameters (Do not require a driver reload to change)

Variable

Default

Min

 

Max

Comments

 

 

 

 

 

 

 

 

 

 

 

 

lpfc_enable_auth

0

0

 

1

This driver property specifies if the

 

 

 

 

 

DH-CHAP is enabled or not. When set to

 

 

 

 

 

1, DH-CHAP is enabled. When set to 0,

 

 

 

 

 

DH-CHAP support is disabled.

 

 

 

 

 

NOTE: This property requires a link reset

 

 

 

 

 

to activate.

 

 

 

 

 

lpfc_link_speed

0

0=auto select

Sets link speed.

 

 

1=1G

 

 

 

 

2=2G

 

 

 

 

4=4G

 

 

 

 

8=8G

 

 

 

 

 

 

 

lpfc_log_verbose

0x0

0x0

 

0xffff

(bit mask) Extra activity logging.

 

 

 

 

 

 

lpfc_nodev_tmo

30

0

 

255

Seconds to hold I/O error if device

 

 

 

 

 

disappears.

 

 

 

 

 

 

lpfc_topology

0

0x0=loop

 

FClink topology (defaults to loop, if it fails

 

 

then P2P

 

attempts point-to-point mode).

 

 

0x2=P2P only

 

 

 

0x4=loop only

 

 

 

0x6=P2P

 

 

 

 

then loop

 

 

 

 

 

 

 

 

The HBAnyware Utility User Manual

Page 91

Page 96
Image 96
Emulex 3.4 user manual All lpfc dynamic parameters are read/write using sysfs