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Index
103
A
asynchronous data replication
, 39
C
cluster
extended distance
, 22
FibreChannel, 52
metropolitan, 23
wide area, 27
cluster maintenance, 49
configuring, 46
disaster tolerant Ethernet networks, 46
disaster tolerant WAN, 46
consistency of data, 38
continental cluster, 27
currency of data, 38
D
data center
, 17
data consistency, 38
data currency, 38
data recoverability, 38
data replication, 38
FibreChannel, 52
ideal, 44
logical, 42
off-line, 38
online, 39
physical, 39
synchronous or asynchronous, 39
DATA_REP Variable
edit
, 77
disaster recovery
automating
, 48
services, 48
disaster tolerance
evaluating need, 14
disaster tolerant
architecture
, 17
cluster types, 18
Continentalclusters WAN, 46
definition, 16
FibreChannel cluster, 52
guidelines for architecture, 37
limitations, 47
managing, 48
metropolitan cluster rules, 23
staffing and training, 49
E
Ethernet, disaster tolerant
, 46
evaluating need for disaster tolerance, 14
Extended Distance Cluster
configuring, 66
installing, 63
prerequisites, 63
extended distance cluster
benefits
, 22
building, 51
F
FibreChannel clusters
, 52
G
geographic dispersion of nodes
, 37
L
Link Down Timeout
, 69
logical data replication, 42
M
MD Device
create and assemble
, 72
MD mirror device
create, 66
metropolitan cluster
definition, 23
multiple points of failure, 17
MULTIPLE_DEVICES AND
COMPONENT_DEVICES
, 82
N
networks
disaster tolerant Ethernet
, 46
disaster tolerant WAN, 46
O
off-line data replication
, 38
online data replication, 39
operations staff
general guidelines
, 49
P
package control script
configure
, 67
Persistent Device Names
Using
, 71