Hp StorageWorks Scalable File Share Instrukcja Użytkownika Pobierz pdf (Strona 74)

Viewing system information4–18

4.6.1.4 Examples of event filters

The following are examples of how you can filter events, using one or more filters:

• You can specify that only events from a certain facility are to be displayed, as shown in the following

example:

sfs> show log facility=lustre

• You can specify that only events of a certain severity are to be displayed; in the following example,

events of a severity greater than info are displayed:

sfs> show log severity>info

• You can combine the facility and severity options, as shown in the following example, where

only events from the lustre facility that have a severity greater than info will be shown:

sfs> show log facility=lustre && severity>info

• You can limit the events to be displayed by age. For example, the following command displays all

events that were logged in the last ten minutes:

sfs> show log age< "10m"

You can specify a number of minutes (for example, "10m"), hours (for example, "5h"), or days (for

example, "2d"). Note that you must use a space before the double quotes surrounding the argument.

• You can select events based on some of the content in the event message. For example, the following

command displays all events that relate to the ost9 service:

sfs> show log data contains "ost9"

• You can select events from a specific server. To select events from the server where the administration

service is running, enter the command shown in the following example (where the administration

service is running on the administration server, south1):

sfs> show log server=south1

• You can select events for a specific time period.

The time is specified in time_t format, based on seconds since the standard epoch of 1/1/1970.

You can determine the value that you need to specify for a specific date as shown in the following

example (run as root user):

# tclsh

% clock scan 2005-7-8

1120777200

% clock scan 2005-7-9

1120863600

% exit

You can then query the log for events in the time period between the two dates, as follows:

# sfsmgr

sfs> show log time>1120777200 && time<1120863600

For a full list of the attributes and operators that can be used when querying the log file, see Section A.20.9.

4.6.2 Capturing the system event log in a file

The system event log is a binary file. If you want to record events in a text file and then copy the text file to

another system, enter the commands shown in the following example. In this example, the system where the

event log is being saved has the IP address of 16.123.123.100, and fred is an account on that system:

# sfsmgr show log age \< \"1h\" > /tmp/last_hours.log

# scp /tmp/last_hours.log [email protected]:/home/fred

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 361 362

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