Oracle Data Guard: Difference between revisions

Revision as of 04:41, 27 April 2012

Revision as of 08:09, 4 May 2012

Line 112:

| year = 2005

| publisher = McGraw-Hill Professional

| isbn = 9780072230536978-0-07-223053-6

| page = 329

| pages = 465

Line 125:

== Disadvantages ==

Version 11.2.0.1.0 and earlier is somewhat unreliable and buggy when dealing with physical-standby operations.{{factCitation needed|date=April 2012}}

If the network link connecting primary and standby is over-subscribed, the redo logs are not applied in chronological order, which can result in large gaps appearing in the available redo at the standby. Such a condition results in the standby being behind the primary.