Dell 341-7212 User Guide - Page 86
patrol read rate, physical disk PD, Physical Drive State
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patrol read rate The user-defined rate at which patrol read operations are run on a computer system. physical disk (PD) A non-volatile, randomly addressable device for storing data. Physical disks are rewritable and commonly referred to as disk drives. Physical Drive State A physical drive property indicating the status of the drive. A physical disk can be in one of the following states: • Un-configured Good: A disk accessible to the RAID controller but not configured as a part of a virtual disk or as a hotspare. • Hot Spare: A physical disk that is configured as a hotspare. • Online: A physical disk can be accessed by the RAID controller and will be part of the virtual disk. • Rebuild: A physical disk to which data is being written to restore full redundancy for a virtual disk. • Failed: A physical disk that was originally configured as Online or Hot Spare, but on which the firmware detects an unrecoverable error. • Un-configured Bad: A physical disk on which the firmware detects an unrecoverable error; the physical disk was Un-configured Good or the physical disk could not be initialized. • Missing: A physical disk that was Online, but which has been removed from its location. • Offline: A physical disk that is part of a virtual disk but which has invalid data as far as the RAID configuration is concerned. • None: A physical disk with the unsupported flag set. An Un-configured Good or Offline physical disk that has completed the prepare for removal operation. Physical Drive Type A physical drive property indicating the characteristics of the drive. 86 Glossary