PI_PLTI

Ops Center Analyzer REST API Reference Guide

Version

11.0.x

Audience

anonymous

Part Number

MK-99ANA003-18

The PI_PLTI record stores performance data indicating the execution status of read and write processing for each type of tier for Dynamic Provisioning pools that have tier management enabled. This is a multi-instance record.

Note:

Information about Copy-on-Write Snapshot pools, Thin Image pools and Dynamic Provisioning pools that do not have tier management enabled is not collected.
RAID Agent does not collect information about a blocked Dynamic Provisioning pool except when the pool is blocked because of its usage rate reaching 100%.

Collection Interval

900

Key Fields

POOL_ID and TIER_TYPE

Lifetime

From the time when a Dynamic Provisioning pool that has tier management enabled is set up until the time when the pool is removed.

Fields

Field Name	Description	Access Type	Format
AVG_IO_RATE	Average read and write processing rate (number of times per second) for the tier, excluding cache hits. The average number of backend I/O for the tier is displayed. For the entire pool (when the value of the TIER_TYPE field is _Total), average read and write processing rate (number of times per second) in the pool is displayed. In this case, the average total number of backend I/O for the tiers in the pool is displayed.	1, 2	double
INPUT_RECORD_TYPE	Record type identifier. The value is always PLTI.	1, 2	string(8)
INTERVAL	Interval (in seconds) at which information was collected	1, 2	ulong
POOL_ID	ID of the pool	1, 2	string(8)
RECORD_TIME	Time (in GMT) that the data was collected from the storage system and the record was generated	1, 2	time_t
TIER_NUMBER	Number of the tier. For the entire pool (when the value of the TIER_TYPE field is _Total), a null string is displayed.	1, 2	string(8)
TIER_TYPE	Type of the tier.^* When the value is _Total, this record displays information about the entire pool (summary information about tiers in the pool).	1, 2	string(32)
* FMC is the value to be stored when the drive type is FMC, FMD DC2, or FMD HDE. SSD Mixed is the value to be stored when different types of flash drives exist.