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

• ThP Pool is the main category. The number (4) indicates the total number of ThP pools configured
on the selected XP array.
• Pool ID:1 is one of the individual ThP pools.
• DKA is a resource type. The number (2) indicates the total number of DKA pairs associated with
the selected ThP Pool ID:1.
• RAID Groups is a resource type. The number (45) indicates the total number of RAID Groups that
form the four ThP pools under ThP Pool ID:1. RAID Groups further expands to display the individual
RAID groups and their physical LDEVs. For example:
• 1–4 is one of the individual RAID groups.
• LDEVs is a resource type. The number (10) indicates the total number of physical LDEVs from
the specified RAID group that are associated with the selected ThP Pool ID:1. Click LDEVs to
view the list of LDEVs.
• VVols is a resource type. The volumes listed under VVols are grouped based on host groups. The
number (42) besides VVols indicates the total number of virtual volumes from the specified host
group within the specified pool, ThP Pool ID:0. Click VVols to view the list of associated host
groups.
• AXPBCKP is one of the individual host group.
• Volumes is a resource type. The number (2) indicates the number of physical LDEVs assigned
as VVols and associated with the selected host group, AXPBCKP. Click Volumes to view the
list of physical LDEVs.
These LDEVs and VVols can also be traced under the Back-end category. For more information, see
“Back-end navigation path” on page 224.
Related metrics associated with the resources types and resources in the ThP Pool 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 metricsThP Pool category or resources
• Frontend Vs. Backend Hit Ratio
• THP Pool Total MB/s
ThP Pool
ACP UtilizationDKA
RG UtilizationRAID Groups
LDEV RG UtilizationLDEVs
• LDEV Total IO/s – Frontend
• LDEV Total MB/s – Frontend
• Average Read Response
• LDEV Sequential Read Tracks – Backend
Volumes
Related Topics
See the following related topics:
• “Front-end navigation path” on page 221
• “Cache navigation path” on page 223
• “Back-end navigation path” on page 224
Using charts228