Oracle数据库Oracle11gR2版本以后的补丁升级的两种方式

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Oracle数据库Oracle11gR2版本以后的补丁升级的两种方式

以下部分内容来自patchset文档。Oracle® Database Patch Set Notes 11[i]g Release 2 (11.2.0.3) Patch Set 2 E24903-01 Patch Set OverviewOracle Database patch set, release 11.2.0.3 is a full installation of the Oracle Database software. This means that you do not need to install Oracle Database 11[i]g Release 2 (11.2.0.1) before installing Oracle Database 11[i]g Release 2 (11.2.0.3).

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See Also:"Oracle Database 11[i]g Release 2 (11.2.0.3) New Features" in [i]Oracle Database New Features Guide

Note the following changes with the new patch set packaging:
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[*]New installations consist of installing the most recent patch set, rather than installing a base release and then upgrading to a patch release.
[*]Direct upgrades from previous releases to the most recent patch set are supported.
[*]Out-of-place patch set upgrades recommended, in which you install the patch set into a new, separate Oracle home. In-place upgrades are supported, but not recommended.
11.2.0.3 (包括Oracle 11.2.0.2 )的patchset都是完整的安装包,因此可以直接用来安装。[color=#1e03bd]In-Place UpgradeThis feature enables you to upgrade an existing installation of Oracle database to Oracle Database 11[i]g Release 2 (11.2.0.3) into the same Oracle home directory by replacing the existing database files. The patch set application requires more downtime and is not recommended. This upgrade type requires less disk space.

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Note:If you select In-place upgrade to upgrade Oracle database to the latest version, then you must:
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[*]Review "Optionally Performing an In-Place Upgrade (Into the Same Oracle Home)" in [i]Oracle Database Upgrade Guide.
[*]Take a complete backup of your Oracle home directory before you perform. the upgrade.

将升级文件安装到原来的Oracle home 目录,这样可以节省磁盘空间,但是需要更多的停机时间, 这种方法Oracle并不推荐。
Out-of-Place UpgradeThis feature enables you to install Oracle Database 11[i]g Release 2 (11.2.0.3) in a new, separate Oracle home directory. After the installation is complete, the data from the database in the old Oracle home directory is migrated to the database in the new Oracle home directory.
Out-of-place upgrade process is similar to Oracle database upgrade from one version to another and is the recommended type. The benefits of this upgrade type is that the patch set application requires much less downtime, and is safer when the patch set application must be aborted. This upgrade type requires more disk space to accommodate two Oracle home directories simultaneously.

可以将Oracle Database 安装的新的OracleHome目录,当安装结束后,旧的database 会迁移到新的Oracle HOME目录。

这种方法是oracle推荐的方式,它可以降低停机 时间,也相对更安全。但是这种方法需要至少两倍的磁盘空间。

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