Qlogic QLA2100F Bedienungsanleitung PDF herunterladen (Seite 4)

performance. Maximum value may be less depending on the size of the

firmware.

Valid Values 1 - 750

Default Value 512

hba0-execution

Throttle Maximum number of commands sent to the LUN by the firmware.

Exceeding a device’s capabilities causes unnecessary command retries,

which impact performance.

Valid Values 1 - 65635

Default Value 20

hba0-login-retry-count

Maximum number of retries to attempt when login into a device fails.

Large values can cause long delays during initialization.

Valid Values 0 - 255

Default Value 8

hba0-enable-adapter-hard-loop-ID

Enables/disables the hard loop ID and activates (if enabled) the

setting for variable hba0-adapter-hard-loop-ID

Valid Values 0 (disable) or 1 (enable)

Default Value 1

hba0-adapter-hard-loop-ID

Sets (if activated) the hard loop ID for the HBA during the Loop

Initialization Process(LIP). If hba0-enable-adapter-hard-loop-ID and

hba0-adapter-hard-loop-ID are not set as shown in Table 9-3, the LIP

might fail and the host might not recognize the Symmetrix. These

variables become crucial in a hub environment, since no device

(Symmetrix target or host bus adapter) can have the same hard loop

ID. The host HBA is conventionally assigned the highest Hard Loop ID,

starting from 125 and working down (124, 123 122, etc.). The

Symmetrix is conventionally assigned a lowest Hard Loop ID for each

port, starting with 0 and working up (1, 2, 3, etc.). The following

example is a configuration for three QLA-2100F HBAs with separate

Hard Loop IDs:

# Adapter hard loop ID.

# Range: 0 - 126

hba0-adapter-hard-loop-ID=125;

hba1-adapter-hard-loop-ID=124;

hba2-adapter-hard-loop-ID=123;

Valid Values 1 - 125

Default Value 125

hba0-login-timeout

Valid Values 4 - 255 (sec)

Default Value 4

hba0-enable-extended-logging

Enables the driver extended error reporting capabilities.

Valid Values 0 (disable) or 1 (enable)

Default Value 0

hba0-enable-64bit-addressing

1 2 3 4 5 6 7 8

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