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The following clarification was omitted from “Adding dbspaces” in Chapter 1, “Overview of Sybase IQ System Administration.”
In the Create DBSpace wizard, on the Path screen, the raw device option is selected by default. Sybase recommends that you create main stores on raw devices.
When you specify a raw device for a new dbspace, Sybase IQ determines its size automatically and allocates the whole device for use as an IQ store. This may have unpredictable results if the device is actually a file device and Sybase does not recommend this practice.
If you indicate that the device is not raw, then the wizard enables a field where the size may be specified. The wizard also verifies that the given path exists before moving to the next page.
