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

The additional set of metrics that XP Performance Advisor supports for LDEVs are as follows:
Table 8 Additional metrics for LDEVs
DescriptionAdditional LDEV metricsResources
The total random IO/s on the LDEV
during the entire collection interval.
Random I/OLDEVs
The total sequential IO/s on the
LDEV during the entire collection
interval.
Sequential I/O
Sum of random reads and sequential
reads on the LDEV during the entire
collection interval.
Reads
Sum of random writes and
sequential writes on the LDEV during
the entire collection interval.
Writes
The additional set of metrics that XP Performance Advisor supports for RAID groups, Ports, and CLPRs
are as follows:
Table 9 Additional metrics for RAID groups, ports, and CLPRs
DescriptionAdditional Frontend, Cache, and
Backend metrics
Resources
The total backend tracks loaded in
random mode for a specified RAID
group.
Non Seq ReadsRAID groups
The total backend tracks loaded in
sequential mode for a specified
RAID group.
Seq Reads
The total backend tracks destaged
for a specified RAID group.
Writes
The average IO/s on the port over
an entire collection interval.
Max IOPSPorts
The maximum MB/s of data that
was read from or written to an LDEV
through the port.
Max MBPS
Total size of the CLPR shown in
MB/s.
Cache SizeCLPRs
Utilization of the sidefile shown as
a percentage value.
Side File Usage %
To view data for the additional set of metrics:
1. Based on whether you want to view additional data in the LDEV, Port, CLPR, or RAID Group
table, navigate to the corresponding Metrics list.
Troubleshooting issues for resources associated with applications288