MPIO Issues on windows server 2008 R2

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hi.
hardware configuration:
1. server running windows server 2008 r2.
2. connect server iscsi san using mpio.
3. use msdsm mpio

failed 1 path disk, i/o should take path. disk not work fine.

there ars events this:
event id 16 mpio - fail-over on \device\mpiodisk42 occurred.
event id 17 mpio - \device\mpiodisk42 in degraded state. 1 or more paths have failed though process complete.

have installed kb2522766,kb2460971,kb2406705, didn't seem help.

hi ningshi,

thanks post.

according event 16, know, there fail-over on device\mpiodisk42 

event 17 occurs when 1 of multi-path iscsi targets unreachable. should still able connect via other connections.        

could please check configuration fine?

https://technet.microsoft.com/en-us/library/ee619752(v=ws.10).aspx

and here article related mpio hotfix on server 2008r2, maybe take look.

http://www.intel.com/content/www/us/en/support/network-and-i-o/ethernet-products/000007071.html

please note: since web site not hosted microsoft, link may change without notice. microsoft not guarantee accuracy of information.

besides, check the mpio error thread discussed before on server 2008r2. 

https://social.technet.microsoft.com/forums/windowsserver/en-us/a73ca97d-4825-4ea0-adf5-0eeed64aa6e1/mpioiscsi-issues-on-server-2008-r2?forum=winservergen

best regards,

mary

please remember mark replies answers if , unmark them if provide no help.
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Windows Server  >  File Services and Storage



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