ATTO Technology FC-44ES User Manual

Page 34

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30 ATTO Technology Inc. Celerity FC Host Adapters Installation and Operation Manual

num_erq

Exchange Request Queue entries. In general, one
ERQ entry is required for each SEST entry. Default
is 256.

C

num_imq

Incoming Message Queue entries. These are used
to report completion of I/O requests and to notify
the host driver of certain other kinds of events
detected by the hardware. Default is 256.

C

num_sas_addr

Number of SAS addresses to assign to the
adapter’s PHYs. Addresses are assigned
sequentially from the base address. Valid settings
are 1, 2, 4, 8. Default is 1.

E

num_sest

Number of entries in the SCSI Exchange State
Table. One of these structures is used per active
exhance. Default is 256.

C

num_sg_lists

Number of SGL pages. Default is 256.

A

num_targets

Maximum number of target devices. Default is 256.

E

old_device_reset

Use the old device reset method. Default is 0 (use
new method).

A

port_retry_count

Maximum number of retries allowed for a port
which is logged out. Default 0 (use NVRAM
setting).

C

private_els_timeout

Timeout (in seconds) for ELS commands when on
a private loop. Default is 2.

C

quick_init

Enabled quick link initialization. Default is 1
(enabled).

C

sg_tablesize

Maximum number of entries in a scatter/gather
table. A value of 255 means that the S/G table be
any size. Default is 255.

A

sgl_page_size

Scatter/Gather List page size in number of S/G
entries. Default is 128.

A

speed_override

Override the NVRAM link speed setting. 0 for auto
speed negotiation, 2 for 2Gb, 4 for 4Gb or 8 for
8Gb. Other values will cause the use of NVRAM
setting. Default is -1 (use NVRAM setting)

C

topology_override

Override the NVRAM topology setting. 0 for loop, 1
for PTP, 2 for loop preferred, 3 for PTP preferred.
Other values will cause the use of NVRAM setting.
Default is -1 (use NVRAM setting).

C

use_tm_completions

Wait for task management commands to complete
before returning from handler. Default is 1
(enabled).

A

use_transport_layer

Attached to the SCSI transport layer. Default is 1
(enabled).

A

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