Server 2008 Disk Cache Warning and Kernel-Power Error on reboot.

Don Coleman
Don Coleman used Ask the Experts™
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Hello I have an X3500 IBM Server that has an LSI MegaRaid Card.  I have noticed that since the initial install after every safe reboot I see a Kernel-Power error that says the system did not shut down properly and also I see 3 Disk warnings stating that disk cache is enabled and corruption may occur about 14 seconds after the Kernel-Power error.  I cannot disable write cache for the volume because it is greyed out in windows and also the MegaRaid Card has caching turned on for the raid volume.  I have looked around but still haven't found any solutions any help would be appreciated thanks.
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You either need to disable write cache on your raid or you need to get the cache battery pack for the raid.  If you have a battery already attached to your raid controller I would verify that it is still good and perhaps try replacing it.

The reason you are getting those errors is because there is data sitting in the cache durring shutdown that is getting lost because the battery is not in place or working.

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Ok I will give it a try.  It is a new server and does have a battery on the raid controller so must have had a defective battery from the get go.

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