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Network attached storage (NAS) access
model, 58–59
Network file system (NFS), 61
Node failure, 483–85
detection criteria, 484
disk-based quorum system and, 484
reorganization process, 485
Nodes
adding, 330–31
heartbeat, 396
instance failure on, 400
status maintenance, 399
votes, 395
Non-uniform memory access (NUMA), 20–23
architecture illustration, 22
benefits, 21
defined, 20–21
memory access, 21
model, 19
Oracle implementation on, 22
Oracle on three-node cluster, 23
physical address space, 21
processor sharing benefits, 22
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