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System options that affect performance.................................................................................33
Enabling system options......................................................................................................33
5 Managing Business Copy pairs..................................................................36
Workflow for managing Business Copy pairs.............................................................................36
BC pair status checks..............................................................................................................36
BC pair creation.....................................................................................................................37
Workflow for creating Business Copy pairs............................................................................37
Prerequisites for creating BC pairs........................................................................................38
Creating BC pairs..............................................................................................................38
Creating L1 and L2 pairs with different topologies..................................................................42
Refining pair topology...................................................................................................43
Suppressing update copy operations during pair creation.......................................................44
Suspending BC pair creation....................................................................................................44
Changing BC pair options.......................................................................................................46
Splitting BC pairs...................................................................................................................47
Pair splitting methods.........................................................................................................48
Prerequisites for splitting BC pairs........................................................................................48
Workflow for quickly splitting existing pairs...........................................................................49
Splitting BC pairs...............................................................................................................49
Workflow for consistency group pair-split..............................................................................51
Restrictions for consistency group pair-split........................................................................52
Workflow for maintaining consistent Business Copy secondary volume backups....................52
Workflow for ensuring snapshot data is consistent with P-VOL data...........................................52
BC pair resynchronization........................................................................................................52
Types of pair resynchronization............................................................................................53
Forward resynchronization..............................................................................................53
Reverse resynchronization...............................................................................................53
Workflow for resynchronizing BC pairs.................................................................................54
Workflow for restoring BC pairs...........................................................................................55
Resynchronizing or restoring BC pairs...................................................................................55
Suppressing update copy operations during pair restoration.........................................................58
Workflow for setting the RAID level...........................................................................................59
BC pair deletion.....................................................................................................................59
Prerequisites for deleting BC pairs........................................................................................59
Workflow for deleting BC pairs............................................................................................59
Deleting BC pairs..............................................................................................................60
MP blades and deleting pairs..............................................................................................61
6 Monitoring and maintaining Business Copy.................................................62
Monitoring the Business Copy system........................................................................................62
Viewing pair information for local replication........................................................................62
Monitoring BC pair activity and status..................................................................................63
The RWC pair status names and descriptions....................................................................65
RAID Manager pair status names....................................................................................65
Pair status and supported pair user tasks..........................................................................66
L1, L2 pair status and supported pair user tasks.................................................................67
Unaffected S-VOL status and pair user tasks......................................................................68
Monitoring BC pair, volume details......................................................................................68
Monitoring BC pair synchronous rates..................................................................................70
Monitoring consistency groups.............................................................................................71
Viewing consistency group properties..............................................................................73
Viewing a list of Fast Snap pairs.....................................................................................73
Monitoring pair user task history..........................................................................................74
Workflow for maintaining the system.........................................................................................76
Information about system and device maintenance.................................................................76
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Contents
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données dispositifs de traitement - HP XP1024 Disk Array (1.72 mb)