D

Index

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D2D (disk to disk) backups
D2D2T (disk to disk to tape) backups
daisy chains
DAS
     access control capabilities
     connections 2nd
     legacy interconnects 2nd
DAS (direct attached storage)
     architectures 2nd 3rd 4th
     client/server computing 2nd 3rd 4th
DAS (direct attached storage) technology
dat redundancy
     multi-level
data consistency
data consistency, remote copy
Data Core SAN Symphony
data integrity
     remote copy
data management [See management]
data movers
data paths
     backups
data rebuild
data redundancy 2nd
     metrics 2nd
     mirroring 2nd
     RAID [See also RAID]
     threats 2nd
     types of 2nd
data sharing
     backups
     NFSs 2nd
data snapshots
     DFS
data striping
     RAID 2nd 3rd
data structures
     disk drives 2nd
data-centric computing architectures 2nd
databases
     filing
     NFSs 2nd
decentralized backup approaches
degraded mode operations
delay
delivery
     guaranteed in-order
    in-order
         SCSI
     remote copy
Dell Powervault 530F
delta redundancy
delta snapshots, volumes
dense wavelength division multiplexing (DWDM)
depth
     strips (RAID)
design
     clusters 2nd
         implementation
         NAS 2nd
         sharing 2nd
         structures 2nd
     DFS 2nd
     EDA
     NAS 2nd
     remote copy 2nd
    subsystems
         availability 2nd
         capacity 2nd
         controllers 2nd
         device aggregation 2nd
         internal connections 2nd
         modular enclosures 2nd
         performance 2nd
desktops
     ATA 2nd
desvices
     redundancy
device drivers
     HBAs
device starving
devices
     HBAs
     hot-spare
     interconnects 2nd
         legacy DAS 2nd
         SATA 2nd
         serial 2nd
     overlapped I/Os
     RAID 2nd
     redundancy
         metrics 2nd
         mirroring 2nd
         threats to data 2nd
         types of 2nd
    SCSI
         enclosure services
    subsystem
         aggregation 2nd
     T11 interfaces
    tape
         backups
DFS
     design 2nd
DFS (distrubuted file system)
difference redundancy
differential backup operations
differential LVD SCSI buses
direct attached storage (DAS) technology
directories
     logical file system structures 2nd
disassembling data
disk controllers
disk drives
     clusters
     components 2nd
     data structures 2nd
     performance 2nd
     redundancy
         metrics 2nd
         mirroring 2nd
         threats to data 2nd
         types of 2nd
     SATA
     specifications 2nd
disk mirroring
disk platters
disk quotas (NFSs)
disk subsystems [See also subsystems]
disk technology selection (NAS)
disk to disk (D2D) backups
disk to disk to tape (D2D2T) backups
disk trays
     parallel SCSI buses
disk-based backups 2nd
disks
     mirroring
distance
     mirroring
distance limitations
     DAS
distributed backup systems
distributed database systems
distributed file system [See DFS]
distributed layout reference systems (DFS)
Distributed Management Task Force (DMTF)
distribution
     parity
DMP (dynamic multipathing) 2nd
DMTF (Distributed Mangement Task Force)
domains
     NAS
     NFSs
downstream
downtime
     availability (IEC)
drivers
     HBA network
     HBA storing
     multi-pathing 2nd
drives
     clusters
    disk [See disk drives]
     exported
    tape [See tape drives]
dual-controller parallel SCSI connections
dual-function storage
     SAN
dual-mode controllers
     SCSI
dual-ported devices
    ports
         dual-ported
dual-ported Fibre Channel disk drives
dual=ported HBAs
     mirroring
duplication
     mirroring 2nd
     redundnacy
     requests
DWDM (dense wavelength division multiplexing)
dynamic address space expansion (DFS)
    addresses
         spaces:DFS
dynamic file system expansion
dynamic load balancing
dynamic multipathing (DMP) 2nd