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This is the point of my question:
Is it recomended to adjust target settings to initiator defaults?
Default iSCSI settings are different between VMWare, Server2008 and DSS7
(can't find recomended maxoutstandingr2t=? for Win).
Can you recomend propriate settings on DSS console for WinServer2008R2, for example?
Is performance better, if all targets&initiators use equally settings?
Thank you for the answer!
Toni
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I would say adjust the targets to match the initiator settings, open-e's target setting s are standard generic that will work by default, but the other vendors have set their initiators for best performance for there OS. Also remember that on VMware if using round robin to set the IOPS setting to 1 for the volumes.
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DelayBetweenReconnect=5
EnableNOPOut=0
ErrorRecoveryLevel=2
FirstBurstLength=#00010000=65536
ImmediateData=1
InitialR2T=0
IPSecConfigTimeout=#0000003c=60
LinkDownTime=#0000000f=15
MaxBurstLength=#00040000=262144
MaxConnectionRetries=#ffffffff
MaxPendingRequests=#000000ff=255 - maxoutstandingr2t?
MaxRecvDataSegmentLength=#00010000=65536
MaxRequestHoldTime=#0000003c=60
MaxTransferLength=#00040000=262144 - Maxxmitdatasegment?
NetworkReadyRetryCount=#0000000a=10
PortalRetryCount=#00000005=5
SrbTimeoutDelta=#0000000f=15
TCPConnectTime=#0000000f=15
TCPDisconnectTime=#0000000f=15
WMIRequestTimeout=#0000001e=30
Can I also tune MPIO round robin IOPS setting in Server2008?
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I am not sure about windows server settings