HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)

• Physical LDEVs. The number (543) indicates the number of LDEVs associated with the selected

RAID Group, 1–1. Click Physical LDEVs to see the list of physical LDEVs that belong to the se-

lected RAID group.

• Pool LDEVs. The number (25) indicates the number of physical LDEVs from RAID Group, 1–1

assigned to a pool. Click Pool LDEVs to see the list of physical LDEVs assigned to a pool. The

pool to which the phyiscal LDEV belongs is also displayed besides the LDEV ID.

The ThP or Snapshot pool to which the physical LDEVs are assigned can also be traced under

the ThP Pool main category or the Snapshot Pool main category respectively, where the corres-

ponding ThP or Snapshot pool IDs are displayed and list the of LDEVs assigned to these pools.

For more information, see “ThP Pool navigation path” on page 227 and “Snapshot Pool navig-

ation path” on page 229.

Related metrics associated with the resource types and individual resources in the Back-end category

are displayed in the Choose Metrics box. Select metrics at the resource type or resource levels, or

both and view the related performance graphs in the Chart Work Area. The following table provides

the default set of metrics that are displayed in the Choose Metrics box:

Default set of metricsBack-end category

• ACP Total IO/s – Frontend

• ACP Total MB/s – Frontend

• ACP Pair Sequential Read Tracks – Backend

• ACP Pair Utilization

DKA

• RAID Group Total IO/s – Frontend

• RAID Group Total MB/s – Frontend

• Overall RAID Group Utilization

• RAID Group Sequential Read Tracks – Backend

RAID Groups

• LDEV Total IO/s – Frontend

• LDEV Total MB/s – Frontend

• Average Read Response

• LDEV Sequential Read Tracks – Backend

Physical LDEVs

• LDEV Total IO/s – Frontend

• LDEV Total MB/s – Frontend

• Average Read Response

• LDEV Sequential Read Tracks – Backend

Pool LDEVs