HP StorageWorks Scalable File Share User Manual

Page 76

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Viewing system information

4–20

4.7.2

Overview of the information gathered by the collectl utility

The

collectl

utility gathers the following information for each individual server:

•

Memory usage
•

Total slab memory

•

Total mapped memory

•

Total buffer memory

•

Total cache memory

•

Total or Individual CPU utilization

CPU usage graphs are stacked; that is, each successive item is plotted with the value of the previous

item as its y-axis 0 co-ordinate.
•

User percentage

•

Wait percentage

•

System percentage

•

Nice percentage

•

Context switches/Interrupts per second

•

Total or Individual Disk Usage
•

Megabytes read per second

•

Megabytes written per second

•

Lustre Statistics

•

Total and Individual OST statistics
•

Megabytes read per second

•

Megabytes written per second

•

MDS statistics
•

Number of

close

operations per second

•

Number of

getattr

operations per second

•

Number of

reint

operations per second

This is a counter for all

setattr

,

create

,

link

,

unlink

,

rename

and

open

operations

that occur on the file system.

•

Number of

sync

operations per second

This is a counter for the number of

sync

operations that are called on the file system.

•

Total or Individual Network usage
•

Megabytes received per second

•

Megabytes sent per second

•

Number of packets received per second

•

Number of packets sent per second

•

Process counters
•

Number of new processes started per second

•

Number of processes queued and waiting to be run per second

•

Number of processes running per second

•

Network sockets
•

Number of open

tcp

sockets

•

Number of open

udp

sockets

•

Number of open

raw

sockets

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