The emphistory command specifies the type of command to be carried out from the available list of commands: add, setstatus, delete, dump, and list.
Depending on the type of command, you may be required to specify additional parameters to complete the command. The syntax for the commands is as follows:
add index objid interval buckets "description" flags
setstatus index status
delete index
dump index
list
Specifies the row number for this entry in the agent's History Control table.
Rows are indexed starting at 1. When you specify the dump operation, the agent retrieves all data samples from the History table that correspond to the entry in the History Control table identified by index. If you specify an index value of -1 for dump operations, the agent retrieves all of the contents of the History table.
You must specify an index value for add operations to specify the particular MIB table index of an unused row to use for row creation.
Specifies the complete object instance identifier of the MIB variable that the agent will sample and store in the History Control table. You can specify the OID using the complete dotted-decimal value (for example, 1.3.6.1.2.1.25.1.5.0) or the symbolic MIB name (for example, hrSystemNumUsers.0). You must provide the instance portion of the OID (that is, .0 for scalars). The object instance must exist and must be of integer type (which includes counter, gauge, integer, or enumerated integer).
Specifies the interval in seconds between successive samples; this value must be a multiple of 30 seconds.
Specifies the number of discrete data samples to be saved in the History table on behalf of this control entry. Each sample, named a bucket, contains the snapshot value of the MIB variable, the time at which the sample was created, the sample index, and an index that corresponds to the entry in the History Control table that defines the data collection function. The History table stores the most recent buckets number of samples.
Specifies the RowStatus textual convention value to use in setting the status of a row in the History Control table when used with the setstatus operation. The Status parameter can be one of the following values:
Setting the row status to destroy(6) causes the agent to discontinue history sampling for that entry, and to delete the row in the History Control table and the corresponding data sample rows in the History table.
(Optional). Specifies a description for the row. If you specify a value, emphistory uses the supplied string instead of the default History Control entry description string. If you include a description, you must enclose it within single quotation marks (' '). The description must be less than 128 characters, not including the quotation marks. Longer strings are truncated.
Represents a bit field. Setting one or more bits changes the behavior of this entry.
000 000 80 - Entry is created by an AIM plugin (Read-only)
000 001 00 - Collects performance cube data
Important! The following usage of the emphistory utility is deprecated. We strongly encourage using the new argument, because the following format will not be supported in the future.
emphistory add ipaddr[:port] commstr ctrlIndex objid interval buckets ['description']
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