Dell PowerVault MD3200i User Manual

Page 59

Advertising
background image

Planning: MD3200i Series Storage Array Terms and Concepts

59

The Performance Monitor data provides information about how your storage

array is performing. The data is presented in eight columns, which are

described in this table. Use this data to make performance tuning decisions

for your storage array.

For more information, see the online help topics.

Table 4-3. Performance Monitor Table Description

Column Headings

Description

Devices

Controller, virtual disk or storage array total.

Total IOs

Cumulative IO’s per second from last start time.

Read Percentage

Percentage of cumulative IO’s that are READs.

Cache Hit Percentage

Percentage of cumulative IO’s that are in-cache.

Current KB/second

Snapshot of throughput value per second (1KB

= 1024 bytes).

Maximum KB/second

Maximum recorded throughput value from last

start time.

Current IO/second

Snapshot of IO’s per second (IOP =

Input/output per second or one completed I/O

transaction).

Maximum IO/second

Maximum recorded IOP from last start time.

book.book Page 59 Tuesday, June 18, 2013 3:15 PM

Advertising
This manual is related to the following products: