Table of Contents
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ZIP File
LDEV_Seq_Write_IOPS.ZIP
LDEV_Rnd_Write_IOPS.ZIP
LDEV_CFW_Write_IOPS.ZIP
LDEV_Read_Hit.ZIP
LDEV_Seq_Read_Hit.ZIP
LDEV_Rnd_Read_Hit.ZIP
LDEV_CFW_Read_Hit.ZIP
LDEV_Write_Hit.ZIP
LDEV_Seq_Write_Hit.ZIP
LDEV_Rnd_Write_Hit.ZIP
LDEV_CFW_Write_Hit.ZIP
LDEV_BackTrans.ZIP
LDEV_C2D_Trans.ZIP
LDEV_D2CS_Trans.ZIP
LDEV_D2CR_Trans.ZIP
LDEV_Response.ZIP
Notes
:
1 microsecond is one-millionth of 1 second.
The letters "x-y" in CSV filenames indicate a parity group. For example, if the filename is LDEV_IOPS_1-2.csv, the
file contains the I/O rate for each volume in the parity group 1-2.
7-6
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User's Guide
CSV File
LDEV_Seq_Write_IOPS_x-y.csv
LDEV_Rnd_Write_IOPS_x-y.csv
LDEV_CFW_Write_IOPS_x-
y.csv
LDEV_Read_Hit_x-y.csv
LDEV_Seq_Read_Hit_x-y.csv
LDEV_Rnd_Read_Hit_x-y.csv
LDEV_CFW_Read_Hit_x-y.csv
LDEV_Write_Hit_x-y.csv
LDEV_Seq_Write_Hit_x-y.csv
LDEV_Rnd_Write_Hit_x-y.csv
LDEV_CFW_Write_Hit_x-y.csv
LDEV_BackTrans_x-y.csv
LDEV_C2D_Trans_x-y.csv
LDEV_D2CS_Trans_x-y.csv
LDEV_D2CR_Trans_x-y.csv
LDEV_Response_x-y.csv
Using the Export Tool
Data Saved in the File
The number of sequential write operations per
second
The number of random write operations per
second
The number of write operations in "cache-fast-
write" mode per second
The read hit ratio
The read hit ratio in sequential access mode
The read hit ratio in random access mode
The read hit ratio in "cache-fast-write" mode
The write hit ratio
The write hit ratio in sequential access mode
The write hit ratio in random access mode
The write hit ratio in "cache-fast-write" mode
The number of data transfer operations between
cache memories and hard disk drives (i.e.,
volumes) per second
The number of data transfer operations from
cache memories and hard disk drives (i.e.,
volumes)
The number of data transfer operations from
hard disk drives (i.e., volumes) to cache
memories in sequential access mode
The number of data transfer operations from
hard disk drives (i.e., volumes) to cache
memories in random access mode
The average response time (microseconds) at
volumes
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