Additional metrics for ldevs – HP XP P9000 Performance Advisor Software User Manual
Page 367

The additional set of metrics that P9000 Performance Advisor supports for the LDEVs are as follows:
Table 26 Additional metrics for LDEVs
Description
Additional LDEV metrics
Resources
The total random I/Os on the LDEV
during the entire collection interval.
Random I/O
LDEVs
The total sequential I/Os on the
LDEV during the entire collection
interval.
Sequential I/O
The sum of random reads and
sequential reads on the LDEV during
the entire collection interval.
Reads
The sum of random writes and
sequential writes on the LDEV during
the entire collection interval.
Writes
The top 20 consumers and their
average utilization of an individual
MP blade over an entire collection
interval.
The top 20 consumers are
considered based on each
consumer's average utilization of the
CPU cycles.
MP Blade Util - Top 20 Consumers
The average utilization of an
individual MP blade by each of the
following processing types over an
entire collection interval:
•
Open Target
•
Open Initiator
•
Open External Initiator
•
Open Mainframe Target
•
Open Mainframe Ext Initiator
•
Backend
•
System
For more information on the
processing types, see
MP Blade Util/Processing type
IMPORTANT:
The MP Blade Util - Top 20 Consumers and the MP Blade Util/Processing type metrics are applicable
only for the P9000 disk arrays.
HP StorageWorks P9000 Performance Advisor Software User Guide
367