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This attribute defines a shared identity that the servers can use to transfer ranges to one another. T his

entry is replicated between servers and is managed by the plug-in to let the other servers know what

ranges are available. T his attribute must be set for range transfers to be enabled.

NOTE

The shared configuration entry must be configured in the replicated subtree, so that the entry can

be replicated to the servers. For example, if the ou=People,dc=exam ple,dc=com subtree is

replicated, then the configuration entry must be in that subtree, such as ou=UID Num ber

Ranges, ou=People,dc=exam ple,dc=com .

The entry identified by this setting must be manually created by the administrator. T he server will

automatically contain a sub-entry beneath it to transfer ranges.

Parameter Descript ion

Entry DN cn=Distributed Numeric Assignment Plugin,

cn=plugins, cn=config

Valid Range Any DN

Default Value None

Syntax DN

Example dnaSharedCfgDN: cn=range transfer user,

cn=config

3.7 .10. dnaT hreshold

One potential situation with the Distributed Numeric Assignment Plug-in is that one server begins to run

out of numbers to assign, which can cause problems. The Distributed Numeric Assignment Plug-in

allows the server to request a new range from the available ranges on other servers.

So that the server can recognize when it is reaching the end of its assigned range, the dnaThreshold

attribute sets a threshold of remaining available numbers in the range. When the server hits the

threshold, it sends a request for a new range.

For range requests to be performed, the dnaSharedCfgDN attribute must be set.

Parameter Descript ion

Entry DN cn=Distributed Numeric Assignment Plugin,

cn=plugins, cn=config

Valid Range 1 to the maximum 32-bit integer on 32-bit systems

and to the maximum 64-bit integer on 64-bit

systems

Default Value 100

Syntax Integer

Example dnaT hreshold: 100

3.7 .11. dnaT ype

This attribute sets which attribute has unique numbers being generated for it. In this case, whenever the

attribute is added to the entry without a value or with the magic number, an assigned value is

automatically supplied.

This is required to set up distributed numeric assignments for an attributes.

Parameter Descript ion

Entry DN cn=Distributed Numeric Assignment Plugin,

cn=plugins, cn=config

Valid Range Any Directory Server attribute

Default Value None

Syntax DirectoryString

Example dnaT ype: uidNumber

3.8. MemberOf Plug-in Attributes

Group membership is defined within group entries using an attribute such as member. Searching for the

member attribute makes it easy to list all of the members for the group. However, group membership is

not reflected in the member's user entry, so it is impossible to tell to what groups a person belongs by

looking at the user's entry.

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