standby protection MODES
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Max performance
|
max availability
|
max protection
|
|
type
|
default
|
||
data loss
|
will be there
|
will be there
|
No data lost
|
DG type
|
P and L
|
P and L
|
P and L
|
SRedoLog
|
No,recommended
|
needed
|
needed
|
N/w Transmission mode
|
Async
|
Sync
|
Sync
|
Disk write operation
|
affirm
|
affirm
|
Noaffirm
|
response times
|
primry response good
|
prmry response latency
|
prmry response latency
|
If standby Down
|
prmy will run
|
prmy will run
|
prmy will NOT run
|
redo archive Process
|
LGWR or ARCH
|
LGWR
|
LGWR
|
log transport
|
ARCH
|
SRL
|
SRL
|
net_timout # tries
|
20 ,then it will fail
|
||
real time apply
|
yes ,provided SRl
|
yes
|
yes
|
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