What is the steps to setup MPIO?
Thanks
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What is the steps to setup MPIO?
Thanks
Assigning separate IP Addresses to the each NIC for example:
iSCSI-R3
Eth 0 192.168.0.220
Eth 1 192.168.1.220
Microsoft Server
Eth 0 192.168.0.221
Eth 1 192.168.1.221
Please remove any bonds if you are using one for the assign NICs.
Also email support@open-e.com and we will send you a How to for MPIO.
I did. I setup 192.168.0.120 and 192.168.2.120. And deleted all bonds.
But I get lots of data_out_start(1302) messages from open-e. And system goes to read-only mode.
My current configuration is:
2 servers are running CentOS5.2 + GFS + VMWare Server.
Boot from iSCSI and GFS is on iSCSI.
also, using qlogic iscsi HBA.
To-M,
Also, when I'm using MPIO, when ever a single server's iowait is over 40%, CentOS 5.2 puts me in the read-only mode. And Open-E does not respond at all. Even from console, Open-E does not take any key stroke.
The data_out_start(1302) messages could be from different settings from the initiator and target.
Check to make sure that they match. From the iSCSI-R3 server go to the Console screen and enter CTRL + ALT + W then select Tuning Options then iSCSI daemon options select option 1 and choose target and compare the setting to match from the initiator.
Some claim that these are the preferred settings when working with VMware:
maxRecvDataSegmentLen=262144
MaxBurstLength=16776192
Maxxmitdatasegment=262144
maxoutstandingr2t=8
InitialR2T=No
ImmediateData=Yes
Concerning problems with the console not performing correctly, this could be a hardware issue but hard to tell without logs. Run a memory check, to do this restart the system and after POST enter the "Escape or TAB" key and select MEMtest. This will take some time (usually wait for 1 hour) but I have seen this before in some cases.
If you are still receiving these errors please send logs to support@open-e.com to have an engineer review them.
To-M
I think this slow performance kills my server. I tried given parameters.
Still I have slow performance and during the heavy I/O, vmware server timed out and my host OS cannot communicate to VMware. (when MPIO was off) When MPIO was on, entire host OS goes to read-only mode.
-Philip
What are your initiator settings?
Have you tried the MS initiator.
Are you in block or file I/O?
Can you check your cpu load in statistics.
What OS are the virtual server you are creating?
And what is the server specs. We need more information to assist you.
Server is
IBM LS20 with 8GB RAM
2 NIC connected to Cisco SW.
2 port Qlogic iSCSI HBA for IBM Blade ==> connected to Nortel SW ==> Open-E iSCSI R3
Qlogic Settings:
*** Displaying ISCSI Settings inst=0 ***
Force_Negotiate_Main_iSCSI_Keys : off(*)
iSCSI_Send_Markers : off(*)
iSCSI_Header_Digests : off
iSCSI_Data_Digests : off
iSCSI_Immediate_Data : on
iSCSI_Initial_R2T : off
iSCSI_Data_Seq_In_Order : on(*)
iSCSI_Data_PDU_In_Order : on(*)
iSCSI_CHAP_Auth : off(*)
iSCSI_Bidi_CHAP_Auth : off(*)
iSCSI_Snack : off
iSCSI_Discovery_Logout : on
iSCSI_Strict_Login : off
iSCSI_Error_Recovery_Level : 0(*)
iSCSI_Alias :
*** Displaying Firmware Settings inst=0 ***
FW_Marker : off(*)
FW_Stat_Alarm : off(*)
FW_Accept_AEN : off(*)
FW_Access_Control : off(*)
FW_Session_Mode : on(*)
FW_Initiator_Mode : on(*)
FW_Target_Mode : off(*)
FW_Fast_Posting : off(*)
FW_Sense_Buffer_Desc : off(*)
FW_ZIO_Enable_Mode : off
AFW_Device_Timeouts : off
AFW_Delayed_Ack : on
AFW_AutoConnect : on
*** Displaying Device Settings inst=0 ***
Large_Frames : off
DevType : 0(*)
ExeThrottle : 64
FirstBurstLen : 256
KeepAliveTO : 30
DefaultTime2Retain : 20(*)
DefaultTime2Wait : 2(*)
MaxBurstLen : 512
MaxOutstandingR2T : 8
MaxRxDataSegmentLen : 128(*)
Port : 3260(*)
IPv4TOS : 0
IPv4TTL : 64
*** Displaying Basic Settings inst=0 ***
iSCSI_Discovery_Logout : on
iSCSI_Strict_Login : off
TCP_DHCP : off
TCP_DNS_Via_DHCP : off
TCP_Nagle : on
iSCSI_Alias :
IP_Address : 192.168.2.11
IP_Subnet_Mask : 255.255.255.0
IP_Gateway : 0.0.0.0
Secondary_DNS : (*)
Secondary_IP_Address : (*)
Task_Management_Timeout : 10
ENABLE_IPV4 : on
ENABLE_IPV6 : off
LOC_LINK_AUTO : off
ROUTABLE_AUTO : off
LDROUTER_AUTO : off
ENABLE_4022IPV4 : on
*** Displaying Advanced Settings inst=0 ***
FW_Marker : off(*)
FW_Stat_Alarm : off(*)
FW_Accept_AEN : off(*)
FW_Access_Control : off(*)
FW_Session_Mode : on(*)
FW_Initiator_Mode : on(*)
FW_Target_Mode : off(*)
FW_Fast_Posting : off(*)
FW_Sense_Buffer_Desc : off(*)
FW_ZIO_Enable_Mode : off
AFW_Device_Timeouts : off
AFW_Delayed_Ack : on
AFW_AutoConnect : on
DevType : 0(*)
ExeThrottle : 64
FirstBurstLen : 128
IP_Fragmentation : on(*)
IP_ARP_Redirect : off
VLAN_Enable : off
VLAN_User_Priority : 0
VLAN_ID : 0
IPv4_TOS_ENABLE : off
Force_Negotiate_Main_iSCSI_Keys : off(*)
iSCSI_Send_Markers : off(*)
iSCSI_Header_Digests : off
iSCSI_Data_Digests : off
iSCSI_Immediate_Data : on
iSCSI_Initial_R2T : off
iSCSI_Data_Seq_In_Order : on(*)
iSCSI_Data_PDU_In_Order : on(*)
iSCSI_CHAP_Auth : off(*)
iSCSI_Bidi_CHAP_Auth : off(*)
iSCSI_Error_Recovery_Level : 0(*)
KeepAliveTO : 30
DefaultTime2Retain : 20(*)
DefaultTime2Wait : 2(*)
MaxBurstLen : 512
MaxOutstandingR2T : 8
MaxRxDataSegmentLen : 128(*)
Port : 3260(*)
TCP_Timer_Scale : 3(*)
TCP_Time_Stamp : on
TCP_Window_Scale : 0
iSCSI_Name : iqn.2004-04.com.qlogic:qmc4052.zj1ksw61o07d.1
ZIO : 0
IPv4TOS : 0
IPv4TTL : 64
ACB_Version : 2(*)
Large_Frames : off
*** Displaying Remaining parameters inst=0 ***
ACB_Supported : on(*)
Values noted with (*) are read only.
Also, host OS is CentOS 5.2 64-bit.