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Dell Emulex Family of Adapters User Manual

Page 1017

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Emulex Drivers Version 10.2 for VMware ESXi User Manual

P010087-01A Rev. A

3. Configuration

FC and FCoE Driver Configuration

1017

max_scsicmpl_
time

Use SCSI command
completion time to control
queue depth to the device.

0 – SCSI command
Completion time is not
used for controlling I/O
queue depth.
N – I/O queue depth is
controlled to limit the
I/O completion time to
N msecs.

Def = 0
Min = 0
Max = 60000

Def = 0
Min = 0
Max = 60000

No changes

ack0

Enable ACK0 support.
Use ACK0, instead of ACK1,
for class 2
acknowledgement.

Def = 0
Min = 0
Max = 1

Def = 0
Min = 0
Max = 1

No changes

fdmi_on

Enable FDMI support.
0 = no FDMI support
1 = support FDMI without
attribute of hostname
2 = support FDMI with
attribute of hostname

Def = 0
Min = 0
Max = 2

Def = 0
Min = 0
Max = 2

No changes

discovery_
threads

The maximum number of
ELS commands that can be
outstanding during
discovery.

Def = 32
Min = 1
Max = 64

Def = 32
Min = 1
Max = 64

No changes

max_luns

The maximum number of
LUNs allowed

Def = 256
Min = 1
Max = 65535

Def = 256
Min = 1
Max = 65535

No changes

task_mgmt_tmo Maximum time to wait for

task management
commands to complete.

Def = 60
Min = 5
Max = 180

For the native mode
driver.

use_msi

Use preferred MSI-X
interrupt mode if possible.

0 = MSI disabled (INTx
mode)
1 = MSI enabled
2 = MSI-X enabled

Def = 2
Min = 0
Max = 2

Def = 2
Min = 0
Max = 2

No changes

fcf_failover_
policy

FCF Fast failover = 1
Priority failover = 2

Def = 1
Min = 1
Max = 2

Def = 1
Min = 1
Max = 2

No changes

Table 3-1 FC and FCoE Driver Parameters (Continued)

Module
Parameter

Description

ESXi 5.0, 5.1
Legacy
Driver Model
Values

ESXi 5.5 OP
Native Mode
Driver Model
Values

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