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06-29-2012 08:39 AM - edited 07-01-2012 10:57 AM
For those of us that are booting up multiple operating systems, there is a gotcha with the Windows 8 "hybrid boot" function. By default your W8 PC is left in a hibernated state. Apparently W8 is setting the "dirty bit" to show that the drive is in use. However, if the drive is another bootable system and you boot it up then chkdsk appears and it requires some console commands to get it reset.
fsutil dirty query x: where X is your boot drive
chkntfs /x c: X tells windows not to check this drive
Run window: chkdsk c:/r ----> reply Y and let windows do a full chkdsk to get the reset
Run window: fsutil dirty query x: -------> the drive should now indicate not dirty
To avoid the above issue, the hybrid boot option in W8 needs to be disabled.
Control Panel-----> Hardware and Sound ----> Power Options
Select Choose what the power button does
Click on change settings that are currently unavailable
Scroll down to Shutdown settings uncheck "Turn on fast startup"
The above did work for me on build 8400.
The implementation of "hybrid boot" should be done differently by MS. I did post a suggestion to MS to "delay" volume checking when using fast startup and then give the user the option to ignore thereby not requiring the dirty bit to be set on other volumes and instead use some other bit.
EDITED: The above procedure has been edited. You may have to clear the "dirty bit" and do some promted scans but after a few boots to other OSs and back to W8 everything is working OK for me.