Troubleshooting guide

14 — Monthly maintenance tasks
14-4 Alcatel-Lucent 5620 Service Aware Manager
5620 SAM
System Administrator Guide
ii Review the command output. Code 14-2 is an example of iostat output;
Table 14-2 describes each output field.
Code 14-2: iostat output example
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sdb 0.01 0.04 6.63 11573 1810153
sda 2.94 58.78 261.56 16040031 71372946
Table 14-2 iostat field descriptions
iii Record the data for future comparison of platform performance. Look for
differences in the output of the data for similar loads on each station, which
indicate performance degradation.
iv Press CTRL-C to stop the iostat command.
9 Use the netstat command to check for network interface performance issues.
i Type:
netstat -i time ↵
where time is the time period, in seconds, over which you need to collect data.
Alcatel-Lucent recommends that you start with 5 s.
ii Review the netstat output.
14.3 Checking Windows client platform performance
You can compare Windows client station performance monthly to:
• collect base measure information related to platform performance
• ensure that there is no degradation in performance
Field Description
device Name of the device
tps Transfers per second
Blk_read/s Block reads per second
Blk_wrtn/s Block writes per second
Blk_read Total blocks read
Blk_wrtn Total blocks written
Release 13.0 R2 | May 2015 | 3HE 09815 AAAB TQZZA Edition 01