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Event ID: 32 Source: Disk

Source
Level
Description
The driver detected that the device \Device\Harddisk0\DR0 has its write cache enabled. Data corruption may occur.
Comments
 
Set the Write policy to Write Through on the Raid controller of the DC to avoid this message.
As per ME233541: "Some hard disks do not support the option to disable the write cache on a permanent basis, and report that the write cache is enabled again after the computer is restarted. This is because some drives do not have Non-Volatile Random Access Memory (NVRAM) to enable you to save the disable cache setting".

See ME281672 for information on how to enable/disable Write Caching.
As per Microsoft: "The Iomega Zip 250 drive does not support requests by the operating system to turn off write caching. Because of this, an Event ID 32 warning is logged in the event log. This warning is by design". See ME324916 for more details.

ME233541 describes some of the advanced performance options available if you view the properties of a hard disk. It gives information on the "Write Cache Enabled" feature.
Leaving Write Cache enabled increase speed, but at the same time increase the chances of data corruption in the event of a power failure.

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