Contents
P9500 storage systems.......................................................................................................10
Pair volumes......................................................................................................................11
Journal volumes.................................................................................................................11
Journals............................................................................................................................11
Data path.........................................................................................................................12
Remote Web Console.........................................................................................................12
RAID Manager..................................................................................................................13
Initial copy operation ........................................................................................................13
Update copy operation ......................................................................................................14
S-VOL write option..................................................................................................................15
Difference management...........................................................................................................15
Pair status..............................................................................................................................16
System requirements................................................................................................................17
Plan and design workflow .......................................................................................................20
Determining your RPO .......................................................................................................21
Write-workload .....................................................................................................................21
Measuring write-workload...................................................................................................21
Sizing journal volumes ...........................................................................................................22
Planning journals ..............................................................................................................23
RAID group configuration ...................................................................................................24
Planning journal volumes ........................................................................................................24
Planning pair volumes ............................................................................................................25
Host failover software ........................................................................................................28
Contents
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