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Maintaining Referential Integrity
Chapter
2
Creating Directory Entries
73
Whenever you delete or rename a user or group entry in the directory, the
operation is logged to the referential integrity log file
(
serverRoot
/slapd-
serverID
/logs/referint
). After a specified time, known as the
update interval, the server performs a search on all attributes for which referential
integrity is enabled, and matches the entries resulting from that search with the
DNs of deleted or modified entries present in the log file. If the log file shows that
the entry was deleted, the corresponding attribute is deleted. If the log file shows
that the entry was changed, the corresponding attribute value is modified
accordingly.
By default, when the referential integrity plug-in is enabled it performs integrity
updates on the
member
,
uniquemember
,
owner
, and
seeAlso
attributes immediately
after a delete or rename operation. You can, however, configure the behavior of the
referential integrity plug-in to suit your own needs. You can:
•
Record referential integrity updates in the replication change log
•
Modify the update interval
•
Select the attributes to which you apply referential integrity
•
Disable referential integrity
Using Referential Integrity with Replication
There are certain limitations associated with the use of the referential integrity
plug-in in a replication environment:
•
You should never enable it on a dedicated consumer server (a server that
contains only read-only replicas).
•
You should never enable it on a server that contains a combination of
read-write and read-only replicas.
•
You can enable it on a master server that contains only read-write replicas.
NOTE
The referential integrity plug-in should only be enabled on one
master replica in a multi-master replication environment, to avoid
conflict resolution loops. When enabling the plug-in on servers
issuing chaining requests, be sure to analyze your performance
resource and time needs as well as your integrity needs. Integrity
checks can be time consuming and draining on memory/CPU.
Содержание NETSCAPE DIRECTORY SERVER 6.1 - ADMINISTRATOR
Страница 1: ...Administrator s Guide Netscape Directory Server Version6 1 August 2002...
Страница 20: ...20 Netscape Directory Server Administrator s Guide August 2002...
Страница 24: ...24 Netscape Directory Server Administrator s Guide August 2002...
Страница 44: ...Starting the Server in Referral Mode 44 Netscape Directory Server Administrator s Guide August 2002...
Страница 78: ...Maintaining Referential Integrity 78 Netscape Directory Server Administrator s Guide August 2002...
Страница 142: ...Using Referrals 142 Netscape Directory Server Administrator s Guide August 2002...
Страница 162: ...Enabling and Disabling Read Only Mode 162 Netscape Directory Server Administrator s Guide August 2002...
Страница 278: ...Setting Resource Limits Based on the Bind DN 278 Netscape Directory Server Administrator s Guide August 2002...
Страница 336: ...Troubleshooting Replication Related Problems 336 Netscape Directory Server Administrator s Guide August 2002...
Страница 396: ...Configuring LDAP Clients to Use SSL 396 Netscape Directory Server Administrator s Guide August 2002...
Страница 418: ...Monitoring Database Link Activity 418 Netscape Directory Server Administrator s Guide August 2002...
Страница 440: ...Miscellaneous Tuning Tips 440 Netscape Directory Server Administrator s Guide August 2002...
Страница 442: ...442 Netscape Directory Server Administrator s Guide August 2002...
Страница 478: ...PTA Plug In Syntax Examples 478 Netscape Directory Server Administrator s Guide August 2002...
Страница 498: ...498 Netscape Directory Server Administrator s Guide August 2002...
Страница 512: ...Storing Information in Multiple Languages 512 Netscape Directory Server Administrator s Guide August 2002...
Страница 532: ...Searching an Internationalized Directory 532 Netscape Directory Server Administrator s Guide August 2002...
Страница 538: ...Examples of LDAP URLs 538 Netscape Directory Server Administrator s Guide August 2002...