Technical Information
High Availability
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2007/12/21 |
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2005/9/5
オンライン・データ再定義の概要とその機能の使用例について説明します |
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2005/9/5 Updated
最初に停止の原因を検討し次に、
Oracle Database 10gの新機能を特に重視しながら、Oracle
Databaseで使用可能な技術を検証を紹介します。Oracle Database 10g Release 1 バージョンの資料（英語）はこちらです。 |
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2004/4/28
ユーザーやオペレーターの誤操作によるデー
タの損失は避けがたい事項ですが、今までこれらの人的エラーによって失われたデータを復元するのは容易ならざる作業が必要でした。Oracle
Database 10gで強化されたフラッシュバック・テクノロジーを用いるとこれら人的エラーに関しても容易に復元することが可能になります。 |
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2005/9/5
市場における2つの主導的なデータベース・
ソリューション、Oracle Database 10g Release 2とIBM
DB2 Universal Database（DB2 UDB）バージョン8.2で利用可能な、HA機能を詳細に比較し評価します。 |
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2005/9/5
Oracle Database
10gのOracle Data Guardのテクノロジについて説明し、それが企業の事業継続維持のインフラストラクチャにおいて最も重要な要素の1つであることを示します。 |
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2004/8/20 Updated
Oracle Database
10gのOracle Data Guardの構造およびテクノロジの概要を説明します。 |
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2004/10/29
オラクル社が提供しているデータ保護ソリューションについて。 |
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In order to deliver continuous and uninterrupted
database service, Oracle is now providing
technology to perform maintenance of the
database software without incurring any
database downtime. Database software patches
can be applied to Real Application Clusters
systems with zero downtime. This new technology
is being offered in addition to High Availability,
Online Operations, Data Protection, Self
Healing, Human Error Prevention, and Disaster
Prevention technology Oracle already provides. |
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Customers and industry experts have acknowledged
that the Oracle9i Database is the best
database for high availability and data
protection. This document is Oracle's
response to the misleading and inaccurate
statements contained in IBM's document:
"A Technical Discussion of High Availability
and Crash Recovery" |
Disaster Recovery
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2007/12/21 |
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2004/10/29
Oracle Data Guardについての紹介。 |
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2007/4/12 Updated
Oracle Data Guard のデータ・シートです。 |
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2007/4/12 Updated
このホワイト・ペーパーでは、Maximum Availability Architecture（MAA）構成の（Oracle Real Application Clusters（RAC）と結合された）Oracle Data Guard、Oracle RACを基盤とするストレッチ・クラスタ、およびリモート・ミラー化という3つのテクノロジについて説明します。 Presentation |
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Oracle Data Guard is the most effective solution available today to protect the core asset of any enterprise - its data, and make it available on a 24x7 basis despite disasters and other outages. This paper discusses Data Guard technology in Oracle Database 10g Release 2, and demonstrates how it is a key factor in the business continuity infrastructure of any enterprise. Click here for the Oracle Database 10g Release 1 version of this paper. |
Backup & Recovery
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2007/12/21 |
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2004/7/16
Oracle Database
10gのFlashback Technologyを使用すると、ある時点の状態へ戻ることが可能です。このFlashbackについて説明します。
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2005/7/29
Oracle Database
10gに添付されるバックアップツールであるRecovery
Managerを使用する際のパフォーマンスの見積手法について、概算値を含めて説明した資料です。 |
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2005/7/29
Recovery
Managerと3rd Partyのメディア管理ソフトを組み合わせた場合のトラブル・シューティングの手法を解説した資料です。 |
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2007/12
本資料はOracle Data
Guard環境でRecovery Managerを使用する手順についてまとめた資料です。 |
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2004/10/19 Updated
Oracle Databaseの強力なバックアップ・ソリューションであるOracle Recovery Managerを10gで強化された機能を中心にわかりやすく説明した資料です。 |
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2007/4/12
Oracle Database 10g Release 2 での Recovery Manager について機能概要を説明します。 |
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This paper summarizes the exciting new RMAN capabilities in Oracle Database 10g, including proactive management of disk backups with the flash recovery area, faster incremental backups with block change tracking, and shorter restore windows with incrementally updated backups, among many other new features. |
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In Oracle Database 10g, storage management and provisioning for the database has becomes much more simplified with a new feature called Automatic Storage Management (ASM). This white paper describes two methods of migrating the Oracle database from its current storage to ASM. |
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In today's demanding market, downtime is not an option. Thus, developing a fast and reliable online backup solution is one of the most important aspects of achieving high availability.The goal of this paper is to prove that Oracle9i RMAN provides superior performance. |
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This paper highlights Fast-Start Fault Recovery, an important availability feature in Oracle, designed to expedite recovery from unplanned outages. Fast-Start allows the administrator to configure a running system to impose predictable bounds on the time required for crash recovery. |
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Backup and recovery is one of the most important aspects of database administration. Whether companies operate a single database or multiple databases that store hundreds of gigabytes or even terabytes of data, they share a common factor: the need for a fast and reliable backup solution. Oracle's Recovery Manager (RMAN) utility provides this solution. |
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Oracle provides sophisticated techniques for detecting most block corruptions and recovering from them. These techniques include block-level recovery, automated backup and recovery, tablespace point-in-time recovery, remote standby databases, and transactional recovery. In addition, implementing techniques to prevent data corruptions can save much time, effort, and stress dealing with their possible consequences -- lost data and downtime. This paper discusses the essential tools and techniques for prevention, detection, and repair of block corruptions in the Oracle database. |
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Cloning and refreshing databases for development, testing, and reporting purposes is a common activity for most DBAs. The methods used can range from third party tools to OS or storage-level procedures, and can require additional licensing costs as well as specialized expertise in hardware and storage technologies. As DBAs know their data the best, DBAs should be fully empowered to clone the database for their own needs. By utilizing Oracle's built-in set of cloning tools, available in both command-line and GUI, DBAs can do just that, with no additional software costs and full support from Oracle. This paper presents three techniques for cloning ASM-managed databases: RMAN DUPLICATE, the DBMS_FILE_TRANSFER package, and the Enterprise Manager Clone Database feature. |
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VERITAS Software has designed an innovative solution for Oracle databases that provides the ability to perform snapshot backup without the overhead associated with traditional Oracle backups. This solution allows for a more cost effective way to protect your Oracle data. |
Data Storage
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2004/7/16
Oracleのトランスポータブル表領域機
能を使用して、Oracleデータベース間でユーザーの表領域を迅速に移動することができます。
データベース間で大量のデータを移動するには、この方法が最も効率的です。トランスポータブル表領域について説明します。 |
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2004/7/16
Oracle Database
10gには、オンラインでの索引作成、オンラインでの索引再構成、オンラインでの索引結合、オンラインでの索引構成表（IOT）の移動など、データ再構成
に関する多くのオンライン機能が用意されています。これらについて説明します。 |
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Oracle File Mapping feature allows a DBA to map Oracle files and database objects through the I/O layers and down to the physical devices. This paper gives an overview of the File Mapping feature, describing how it works, including a number of mapping examples. |
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ODM is a disk management interface defined by Oracle to enhance file management and disk I/O performance. When implemented in a file system or a logical volume manager, ODM provides many benefits including simplified file administration, improved file integrity, and reduced system overhead.. |
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This technical white paper discusses the ODM feature in depth and shows how users can enable the ODM interface with the VERITAS ODM library |
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Online data reorganization, or the ability to allow users full access to the database during a data reorganization, improves the overall database availability and reduces planned downtime. Oracle's online data reorganization capability also allows users to redefine tables online. |
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Storage configuration does not have to be complicated. A simple, efficient, and highly available storage configuration is possible. The basic idea of this configuration it to make extensive use of striping across large sets of disk using a methodology called S.A.M.E. |
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The goal of this white paper is to provide a list of recommendations that will allow customers to optimize overall scalability, manageability, and performance. Oracle, EMC, and VERITAS understand what customers are asking for as well as the challenges faced in trying to meet their objectives. |
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Our purpose was to evaluate SAME on the HP XP512 Storage Array. We wanted to test the notion that the separation of the log files and datafiles would provide significant performance improvement in the SAME environment |
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Fragmentation is an issue of great concern to database administrators. Oracle has a multitude of commands, options, views, and statistics that address various aspects of fragmentation, but it is not obvious how these capabilities should be used on a day-to-day basis. |
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There is a class of storage subsystem, referred to as HSM, this is commonly used in today's large enterprise. This paper describes several strategies that allow users to successfully use Oracle with HSM nearline storage technology. |
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Recent tests by Oracle and Dell, in association with Topspin and Mellanox, demonstrate that InfiniBand provides a two to four times performance improvement for Oracle9i Real Application Clusters. Even better performance is expected as the number of nodes is scaled up. |
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