HP XP7 Storage - Manual (Page 4)

CMR delay time.....................................................................................................................35
Disconnected time..................................................................................................................36
Connected time......................................................................................................................36
HTP port open exchanges........................................................................................................36
Cache hit rates.......................................................................................................................37
Back-end performance.............................................................................................................38
Data drive usage statistics........................................................................................................39
Data drive access rates............................................................................................................39
Business Copy usage statistics..................................................................................................40
Remote I/O (RIO)...................................................................................................................40
Pair Synchronized...................................................................................................................41
Differential Track.....................................................................................................................41
Number of Journals................................................................................................................42
Data Usage Rate....................................................................................................................42
Meta Data Usage Rate............................................................................................................43
Detailed information of resources on top 20 usage rates..............................................................43
4 Performance Control operations..................................................................44
Overview of Performance Control..............................................................................................44
Performance of high-priority hosts.........................................................................................44
Upper-limit control..............................................................................................................44
Threshold control...............................................................................................................45
About I/O rates and transfer rates (traffic).............................................................................45
Use cases for Performance Control............................................................................................46
Use case for one-to-one connections.....................................................................................46
Use case for many-to-many connections................................................................................48
Cautions and restrictions for Performance Control........................................................................51
Implementing Performance Control: one-to-one connections..........................................................52
Performance Control workflow: one-to-one connections...........................................................53
Setting priority for ports: one-to-one connections....................................................................53
Analyzing traffic statistics: one-to-one connections..................................................................54
Setting upper-limit values for non-prioritized ports: one-to-one connections.................................54
Setting a threshold: one-to-one connections...........................................................................56
Implementing Performance Control: many-to-many connections.....................................................57
Performance Control workflow: many-to-many connections.......................................................57
Setting priority for WWNs: many-to-many connections...........................................................58
Monitoring all port-HBA traffic: many-to-many connections......................................................59
Excluding traffic between an HBA and a port from the monitoring target: many-to-many
connections..................................................................................................................60
Analyzing traffic statistics: many-to-many connections.............................................................61
Setting upper-limit values for non-prioritized WWNs: many-to-many connections........................62
Setting a threshold for the entire storage system: many-to-many connections...............................63
Managing host adapters.........................................................................................................64
Changing the PFC name of a host adapter............................................................................64
Replacing a host adapter....................................................................................................65
Working with PFC groups........................................................................................................66
Creating a PFC group........................................................................................................67
Deleting an HBA from a PFC group......................................................................................67
Switching priority of a PFC group.........................................................................................68
Setting an upper-limit value to HBAs in a PFC group...............................................................69
Renaming a PFC group.......................................................................................................70
Deleting a PFC group.........................................................................................................70
5 Cache Residency Manager operations........................................................72
Overview of Cache Residency..................................................................................................72
Priority mode (read data in cache).......................................................................................72
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