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Chapter 50
Monitoring System Processes and Logs
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Core dumps take up disk space on the Cisco MDS 9000 System Debug Server application. If all levels
Tip
of core dumps (level all option) are configured, you need to ensure that a minimum of 1 GB of disk space
is available on the Linux server running the Cisco MDS 9000 System Debug Server application to accept
the dump. If the process does not have sufficient space to complete the generation, the module resets
itself. All changes made to kernel cores are saved to the running configuration.
To configure the external server, follow these steps:
Command
Step 1
switch# config terminal
switch(config)#
Step 2
switch(config)# kernel core target 10.50.5.5
succeeded
To configure the module information, follow these steps:
Command
Step 1
switch# config terminal
switch(config)#
Step 2
switch(config)# kernel core module 5
succeeded
switch(config)# kernel core module 5 level
header
succeeded
Step 3
switch(config)# kernel core limit 2
succeeded
All changes made to kernel cores may be viewed using the show running-config command.
Alternatively, use the show kernel cores command to view specific configuration changes (see
Example 50-15
Example 50-15 Displays the Core Limit
switch# show kernel core limit
2
Example 50-16 Displays the External Server
switch# show kernel core target
10.50.5.5
Example 50-17 Displays the Core Settings for the Specified Module
switch# show kernel core module 5
module 5 core is enabled
OL-6973-03, Cisco MDS SAN-OS Release 2.x
to
Example
50-17).
level is header
dst_ip is 10.50.5.5
src_port is 6671
dst_port is 6666
dump_dev_name is eth1
dst_mac_addr is 00:00:0C:07:AC:01
Purpose
Enters configuration mode.
Configures the external server's IP address.
Purpose
Enters configuration mode.
Configures kernel core generation for module 5.
Configures kernel core generation for module 5,
and limits the generation to header-level cores.
Configures kernel core generations for two
modules. The default is 1 module.
Cisco MDS 9000 Family Configuration Guide
Kernel Core Dumps
50-9
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