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тАО04-10-2007 04:06 AM
тАО04-10-2007 04:06 AM
On EVA8000, I am forcing Vdisks to be preferred to alternate controllers. After selecting the load balancing policy last week, today I checked Vdisk property, my selection remains same (Preferred path - Controller B with Failover/Failback) but Managing controller is A. See attached file. What does it mean? Why I am having managing controller as A when I preferred it to controller B. There are some disks exactly opposite to it (pref. A, managing controller B). I didn't have any controller restart or something like that in past week. Also, some of the disks are showing Prefered path - Controller A Failover/Failback and Managing controller is also A.
If anyone can explain in detail would be appreciated.
If anyone can explain in detail would be appreciated.
Solved! Go to Solution.
3 REPLIES 3
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тАО04-10-2007 06:14 AM
тАО04-10-2007 06:14 AM
Solution
There is no attachment, but a host can potentially overwrite the path preferrence. It is also possible that the EVA has found out that most traffic for a virtual disk was going through the proxy controller and has thus moved controller ownership.
I have not tried it before, but I would check the controller event log - maybe you can find something.
I have not tried it before, but I would check the controller event log - maybe you can find something.
.
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тАО04-10-2007 08:14 AM
тАО04-10-2007 08:14 AM
Re: EVA8k VDISK preferred path
here is the attachment...
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тАО05-17-2007 05:40 AM
тАО05-17-2007 05:40 AM
Re: EVA8k VDISK preferred path
My Conclusion is that EVA overrides the preferred-path setting, it's only the case when you restart the controllers it follows but after some period of time, it will change automatically.
Thanks Uwe for ur response.
Thanks Uwe for ur response.
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