6 using the error logging facility – IBM HANDBOOK 260 User Manual

Page 255

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Hints and Tips

237

• Your SPOT server in the bootp

server address

field.

• Your client's gateway in the

gateway address

field. If broadcasting will be

used to obtain a boot image, leave these IP address fields empty.

• Specify the

subnet mask

for your client machine if you are prompted for

one in the subnet mask field. All machines in your subnet have the
same subnet mask.

7. After you specify the addresses, press Enter to save the addresses and

continue.

8. The RIPL screen is displayed. Select the Ping option and try to ping the

server.

9. Go back to the SMS main menu and select the Multiboot function. Enter

the Boot Sequence menu and select the network adapter to be used as
the client's boot device.

10.After making your selections, you can boot the machine over the network.

8.6 Using the Error Logging Facility

Problem determination is much easier when you have some information
about the nature of the problem that occurs. To enable access to more
detailed information about problems that occur in your system, you should
install the AIX error logging feature of AIX.

The error logging features are provided with the

bos.sysmgt.serv_aid

fileset.

Once this fileset is installed, you will be able to use the

errpt

command to

look at the AIX error log. The command:

errpt -a |more

will display all the information in the error log starting from the most recent
entry. Not all entries in the error log are errors. For example, every time the
system is powered on, an entry will be logged to say that the error log has
been turned on.

The error log is useful for resolving problems before they make an impact on
your system. By regularly checking the error log, for example, you could
discover that your hard disk was receiving temporary errors and was
performing block relocations. If the errors were frequent (for example, every
day), you could take actions to replace the disk without impacting the users.

To clear the error log, you can use the

errclear

command. For example, to

clear all the entries from the error log, you would run the command:

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