Dell Acceleration Appliances for Databases Uživatelský manuál stáhnout pdf (Strana 49)

CONFIGURING ISCSI INITIATORS FOR WINDOWS

The instructions in this section apply to multipathing for Windows Server 2008 R2.

Each initiator iSCSI port should be in a separate subnet that is the same as that of the target

iSCSI port.

Standalone Mode

1. Make sure the following Windows hot fix module and settings are applied:

http://support.microsoft.com/kb/2752538/en-us

2. Use regedit to disable the delayed ACK in the registry:

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\<I

nterface GUID>\TcpAckFrequency = 1

To create this registry setting:

a) Right-click in the interface you are using for iSCSI.

b) Select a new DWORD 32-bit value.

c) Name the new value

TcpAckFrequency.

d) Set the value to 1.

3. Increase the reconnect retries value in the registry as follows:

HKLM\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-

08002BE10318}\<Instance Number>\Parameters\PortalRetryCount =

ffffffff

4. After setting these registry values, restart the system.

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Dell Acceleration Appliances for Databases Uživatelský manuál Strana 49