Smart Disk Status
root/wmi:SELECT*FROM MSStorageDriver_FailurePredictStatus/WHERE
PredictFailure=true
what does that mean?
below that
Logical Disk Dirty Bit Set
root/cimv2:SELECT-Relpath,Name,Description,File System,VolumeDirty FROM
Win32-LogicalDiskWhereDriveType=3
i am vista stupid. i do not understand any of that or if it is a big deal
and if so what to do?
reliability and performance issue with disk check 
Linear Mode
