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Problem with Multipath IO

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Hello 

I've configured my SCOM service on windows server 2008 r2 sp1, and it's database is placed on 2 disks on SAN storage (HP p9000). since MPIO is configured, sometimes SCOM was stop working. I looked Disk management console and I saw DB disks were gone! This problem solves when I restart the server. This was happening frequently and I've changed the MPIO configuration policies. that get better but it was happening in a bit longer periods. 

I searched and found out I have to install Fibrechannel hotfix (fcinfo_amd64) and Windows6.1-KB2470949-v2-x64 patches. I did this and for last 3 months that was ok but last night it happens again. 

It is our monitoring system and send very important messages. please help me.  

thanks in advance



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