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Required Adapter and Server OS Settings
111 Dell EMC Storage Compatibility Matrix for SC, PS, and FS Series Arrays | DSCM
A.2.2.3 Recommended Disk registry settings for Windows Server 2012 and Later
Recommended 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.2.2.4 iSCSI initiator settings for Windows Server 2012 and Later
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
DelayBetweenReconnect
If a connection is dropped while it is in
FullFeature phase, the driver will attempt
to re-login. This parameter sets the delay
between each re-login attempts.
5
no change