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Required Adapter and Server OS Settings
105 Dell EMC Storage Compatibility Matrix for SC, PS, and FS Series Arrays | DSCM
A.2.1.3 Recommended Disk registry settings for Windows Server 2008r2
Disk registry settings location: HKLM\SYSTEM\CurrentControlSet\Services\disk
Setting
name
Description
Default
value
Recommended
value
TimeoutValue
Disk time-out is a registry setting that
defines the time that Windows will wait for a
hard disk to respond to a command.
Installing host bus adapters (HBA) or other
storage controllers can cause this key to be
created and configured.
60
no change
A.2.1.4 iSCSI initiator settings for Windows Server 2008r2
These settings apply to single-path and MPIO configurations that use iSCSI to connect to SC Series storage.
Recommended iSCSI initiator registry settings location:
HKLM\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-
08002BE10318}\<Instance Number>\Parameters
Setting name
Description
Default
value
Recommended
value
MaxRequestHoldTime
This is the maximum number of
seconds that requests are queued if
connection to the target is lost and the
connection is being retried. After this
hold period, requests will be failed with
error no device and device (disk) will
be removed from the system.
60
90
LinkDownTime
This value determines how long
requests will be held in the device
queue and retried if the connection to
the target is lost. If MPIO is installed
this value is used. If MPIO is not
installed MaxRequestHoldTime is used
instead.
15
35
TCPConnectTime
Timeout given to TCP when a Connect
request is sent.
15
no change
TCPDisconnectTime
Timeout given to TCP when a
Disconnect request is sent.
15
no change
WMIRequestTimeout
Timeout value set for WMI requests
such as LoginToTarget or
LogoutFromTarget, SendTargets.
30
no change