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Release Notes 25

Recommended Settings for QLogic HBAs

Recommended settings for QLogic HBAs are shown below.

■ Topology: Auto

■ LinkSpeed: Auto

■ ExecutionSpeed: Divide 64 by the number of initiators

■ LinkDownTimeout: 60

■ PortDownRetryCount: 60

■ PortDownRetryDelay (Solaris only): 12

Recommended Settings for Emulex HBAs

To ensure reliability with all configurations, set the following values:

■ NodeTimeOut = 60

When an Emulex HBA is connected directly to a R/Evolution storage system, set

the following Emulex HBA parameters:

■ Topology: 0 (Loop only)

■ LinkSpeed: 4 Gbit/sec, if a 4-Gbit/sec HBA is used; otherwise, 2-Gbit/sec

■ EnableFDMI: Disabled

When an Emulex HBA is connected to a switch, set the following Emulex HBA

parameters:

■ Topology: Auto

■ LinkSpeed: Auto

■ EnableFDMI: Disabled

Some other Emulex HBA parameters vary, depending on the host operating system,

as shown in Table 13.

Table 13 OS-dependent Emulex HBA Parameters

Parameter Windows 2003

Solaris 9 and

Solaris 10 RedHat Linux SUSE Linux

LinkTimeOut 60 60 N/A N/A

QueueDepth Divide 128 by the

number of

initiators

Divide 128 by the

number of initiators

N/A N/A

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31 32

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Seagate ST3250824NS Anleitung zur Fehlerbehebung Seite 25