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11 Asynchronous mirroring............................................................................49
Deploying asynchronous mirroring............................................................................................49
Using virtual disk groups.........................................................................................................49
User-created PiTs.....................................................................................................................50
Detach, split, and merge..........................................................................................................50
Detach.............................................................................................................................50
Split.................................................................................................................................50
Merge..............................................................................................................................50
12 Supported operations..............................................................................52
Supported operations and commands.......................................................................................52
13 Monitoring the SVSP environment..............................................................53
Where to start monitoring........................................................................................................53
Monitoring for errors...............................................................................................................54
Tools................................................................................................................................54
HP Services health check................................................................................................54
Event logs....................................................................................................................54
System monitoring.........................................................................................................55
SAN health..................................................................................................................55
Multi Router Traffic Grapher tool.................................................................................55
Storage Essentials.....................................................................................................55
SAN Design Guide...................................................................................................55
SAN Visibility..........................................................................................................56
SAN Designer..........................................................................................................56
TSANet...................................................................................................................56
SAN solutions....................................................................................................................56
Failover............................................................................................................................56
Checking the DPM zoning...................................................................................................57
Using CLI commands to monitor your environment..................................................................57
Monitoring for performance.....................................................................................................58
Array-specific monitoring....................................................................................................58
Operating system-specific monitoring....................................................................................59
Monitoring setup virtual disk performance.............................................................................59
Capacity monitoring...........................................................................................................59
Global mechanisms.......................................................................................................59
Individual mechanisms...................................................................................................59
Percentage on an individual virtual disk.......................................................................59
PiT capacity planning...............................................................................................60
14 Remedies for SAN and SVSP issues...........................................................61
Setup virtual disk access times..................................................................................................61
High application latency..........................................................................................................61
SAN buffers......................................................................................................................61
SVSP command buffer........................................................................................................61
SCSI flow control...............................................................................................................62
SVSP operations................................................................................................................62
Dual SAN.........................................................................................................................62
Remedy............................................................................................................................62
Control outstanding requests...........................................................................................62
SAN congestion............................................................................................................63
Monitoring ISLs......................................................................................................................64
Contents
5
... Questo manuale è adatto anche per i modelli :
Software - HP SAN Virtualization Services Platform Business Copy SW 1TB 101-250TB E-LTU (2.25 mb)
Software - HP SAN Virtualization Services Platform Continuous Access SW 1TB 0-15TB E-LTU (2.25 mb)
Software - HP SAN Virtualization Services Platform Extension Pair Data Path Module (2.25 mb)
Software - HP SAN Virtualization Services Platform Hardware Bundle (2.25 mb)