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Slow cluster resource failover W23k EVA 4000 Full MPIO

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Brandon M Estes
Occasional Visitor

Slow cluster resource failover W23k EVA 4000 Full MPIO

We have a 2 node cluster that has the following configuration:
Fabric=4 Brocade200E (A and B fabric with ISL A<>A B<>B)

EVA4000 With current VCS

Servers
DL380G5
Emulex lp1050-ex (pci-e) x2 each server
Storport Driver 5-1.30a9
Firmware 1.92a1
MPIO SQST version 2.01


Sometimes it takes 5min to fail a drive over from one node to the other
3 REPLIES
Brandon M Estes
Occasional Visitor

Re: Slow cluster resource failover W23k EVA 4000 Full MPIO

In addition the windows SA's were reporting very slow format times for some of the LUNS.

I suspect that the MPIO is to blame for no good reason
Stephen Kebbell
Honored Contributor
Solution

Re: Slow cluster resource failover W23k EVA 4000 Full MPIO

Hi,

there is an updated fix for storport.sys from Microsoft. Near the end of the article is mentions something about slow failover of cluster resources. Have a look:
http://support.microsoft.com/kb/932755/en-us

Regards,
Stephen
Brandon M Estes
Occasional Visitor

Re: Slow cluster resource failover W23k EVA 4000 Full MPIO

Good catch but we have the required storport.sys ect...

Anyone have a link to HP's web site for Emulex driver settings?

I have

Quedepth and Quetarget set per HP's rec