HP LeftHand P4000 SAN Solutions User Manual
Page 225
Table 73 Adaptive Optimization statistics (continued)
Storage System
Volume or
Snapshot
Definition
Statistics
X
X
Percent of all write operations that are to Tier 0
Tier 0 IO Writes
Percent
X
X
Total percent of Tier 0 IO’s. This value is always 100.
Tier 0 IO Total Percent
X
X
Average Tier 0 read requests per second for the sample
interval.
Tier 0 IOPS Reads
X
X
Average Tier 0 read+write requests per second for the
sample interval.
Tier 0 IOPS Total
X
X
Average Tier 0 write requests per second for the sample
interval.
Tier 0 IOPS Writes
X
Average time, in milliseconds, to service read and write
requests for Tier 0
Tier 0 Latency
X
Total amount of space in use on Tier 0 on the selected
storage system
Tier 0 Used
X
Total percent of the space in use on Tier 0 on the
selected storage system
Tier 0 Used Percent
X
X
Percent of all read operations that are from Tier 1
Tier 1 IO Reads Percent
X
X
Percent of all write operations that are to Tier 1
Tier 1 IO Writes
Percent
X
X
Total percent of Tier 1 IO’s. This value is always 100.
Tier 1 IO Total Percent
X
X
Average Tier 1 read requests per second for the sample
interval.
Tier 1 IOPS Reads
X
X
Average Tier 1 read+write requests per second for the
sample interval.
Tier 1 IOPS Total
X
X
Average Tier 1 write requests per second for the sample
interval.
Tier 1 IOPS Writes
X
Average time, in milliseconds, to service read and write
requests for Tier 1
Tier 1 Latency
X
Total amount of space in use on Tier 1 on the selected
storage system
Tier 1 Used
X
Total percent of the space in use on Tier 1 on the
selected storage system
Tier 1 Used Percent
X
The total space in use for the given volume, on both
Tier 0 and Tier 1
Volume Space All Tiers
Used
X
The space in use by the given volume on Tier 0
Volume Space Tier 0
Used
X
The space in use by the given volume on Tier 1
Volume Space Tier 1
Used
X
The total volume size currently used
Percent Volume Space
All Tiers Used
NOTE:
On a thin-provisioned volume, this is the
percent of the reported size, rather than the currently
allocated size.
X
Percentage of the given volume that is on Tier 0
Percent Volume Space
Tier 0 Used
X
Percentage of the given volume that is on Tier 1
Percent Volume Space
Tier 1 Used
Configuring and using the Performance Monitor and Adaptive Optimization 225