Novell, Inc.' s term for the feature of their network file serveroperating system, Novell NetWare, which handles errors in disk write operations. The OS re-reads every Block it writes to disk while it holds the data to Be written in memory. In the case of an error, the data Block is written to a spare area on the disk. The feature lost much of its importance with the widespread use of hard disk drives with Built-in error correction and Bad Block re-mapping. (1997-05-27)