the physical disks. If one of the data chunks becomes corrupted, the data can
be reconstructed from the parity chunk and the remaining data chunks.
WOCP Web-based Operator Control Panel. The virtual operator control panel
implemented as a web-based component.
World Wide Name See WWN.
write back caching A controller process that notifies the host that the write operation is complete
when the data is written to the cache. This occurs before transferring the data to
the disk. Write back caching improves response time since the write operation
completes as soon as the data reaches the cache. As soon as possible after
caching the data, the controller then writes the data to the disk drives.
write caching A process when the host sends a write request to the controller, and the controller
places the data in the controller cache module. As soon as possible, the controller
transfers the data to the physical disk drives.
WWN World Wide Name. A unique Fibre Channel identifier consisting of a
16-character hexadecimal number. A WWN is required for each Fibre Channel
communication port.
HP StorageWorks 4400 Enterprise Virtual Array user guide 123
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