Change Cache Write Policy on Virtual Disk

I am going to set the Cache Write Policy to Write Through from Write Back on a Virtual Disk.  I believe this would be done through the hardware RAID controller utility during the POST cycle.  Is there any preparation necessary or will there be any additional steps I will have to take after changing this?  These are DC's I am changing this on and I don't want the servers to blow up after the fact.
rufustmacAsked:
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DavidPresidentCommented:
This is firmware-specific, but it is extremely rare that any follow-up action is required (like a reboot).  The change is usually immediate.   Obviously you want to have a UPS to prevent losing the cached data, and have a quality RAID controller, but if the firmware let's you do it, then go for it
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charlestasseCommented:
Why are you trying to do this?
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rufustmacAuthor Commented:
Everything worked fine, no problems after changing this.
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