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20 Chapter2

SCR Overview

Tracking Conﬁguration Changes with SCR

Use the scrhist command to check the conﬁguration collection history

for managed nodes. This command reports a brief list with node, time

and tag information. To generate a report for all system nodes, enter

the following command:

# scrhist

This command generates a report that resembles the following

example:

NODE TIME ERR TAG

elsa 12:05 02/07/1999 PST oldest

12:05 02/14/1999 PST

13:05 04/10/1999 PDT latest

ortrud 12:25 03/23/1999 PST oldest

13:25 04/10/1999 PDT latest

If no time period is speciﬁed, as in this example, the report includes all

conﬁguration collections that have not expired. The SCR tag, oldest,

stands for the oldest conﬁguration update that has not expired.

SCR does not store a snapshot if there are no differences in the node

conﬁguration since the previous snapshot. You can use this feature to

observe how often the conﬁguration of certain nodes changes. If data

has been automatically collected weekly, this report shows that node

elsa’s conﬁguration changed between February 7 and February 14,

1999, but did not change again until April 10, 1999.

You can limit the scope of the list by time period and managed nodes. To

limit the time period, enter one of the following lines:

# scrhist –p 19990101 19990226

# scrhist –p 19990401 latest

The -p option signiﬁes that the digits that follow are a time period that

limits the report.

To specify the managed nodes reported, use the following syntax:

# scrhist –n elsa

This command limits the report to only the node elsa.

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