Database 2 Day DBA guide_Chapter3
Chapter 3: Getting Started with Oracle Enterprise Manager
第三章：開始oracle企業管理器。
Purpose（目的）
This chapter introduces you to Oracle Enterprise Manager Database Control. The Oracle Universal Installer installs Oracle Enterprise Manager Database Control when you install the Oracle software. Enterprise Manager Database Control provides a Web-based interface that you can use to manage your Oracle instance and database.
這個章節為你介紹oracle企業管理器數據庫控制。當你安裝oracle軟件那個oracle通用安裝者安裝oracle企業管理器控制數據庫。企業管理器控制數據庫提供一個基于網頁的界面，那個界面你可以使用目的是管理你的oracle實例和數據庫。
Approximately 1 hour（接近一個小時）
This tutorial covers the following topics:（這個手冊覆蓋下面的主題）
| Prerequisites（前提條件） | |
| Starting the Enterprise Manager dbconsole Process（開啟那個企業管理器數據庫控制進程） | |
| Accessing Enterprise Manager Database Control（訪問企業管理器控制數據庫） | |
| Granting EM Administrative Privileges to Other Users（授予企業管理管理員的權限給其他用戶） | |
| Defining Blackout Periods（定義斷電時期） | |
| Setting Preferred Credentials（設置相關的資格） | |
| Summary（總結） |
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Prerequisites（前期條件）
Before you perform this tutorial, you should:（完成這個手冊之前，你應該）
| 1. | Complete Chapter 2: Installing Oracle Software and Building the Database 完成第二章：安裝oracle軟件和創建一個數據庫 | |
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The dbconsole process must be started for you to access Oracle Enterprise Manager Database Control from a client browser. The dbconsole process is automatically started after installation. If the process is not started, you can manually start it at the command line.
數據庫控制臺進程必須被開啟為了你從一個客戶端瀏覽器訪問oracle企業管理器控制數據庫。安裝oracle軟件之后數據庫控制臺式自動的開啟地。
如果那個數據庫控制臺進程沒有被開啟，你可以手動地開啟它通過一個命令行。
| 1. | Log on to the operating system as the oracle user. Issue the following command to view the status of the dbconsole process: 使用oracle用戶登入操作系統。發布下面的命令查看數據庫控制臺的進程狀態。 emctl status dbconsole ? |
| 2. | Issue the following command to start the dbconsole process:（發布下面的命令開啟數據庫控制臺進程） emctl start dbconsole ? |
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You can access the Oracle Enterprise Manager Database Control as follows:（你可以向下面這樣訪問oracle企業管理器控制數據庫）
| 1. | Open your Web browser and enter the following URL:（打開網頁瀏覽器和輸入下面的URL）
? |
| 2. | The Database Control Login page is displayed if the instance is started. Enter a username and password for a user that is authorized to access the Oracle Enterprise Manager Database Control. Click Login. 顯示數據庫控制登入頁面，如果那個實例開啟。輸入一個用戶的用戶名和密碼那個驗證通過oracle企業管理器控制數據庫。點擊登錄 Note: If this is the first time you have accessed Enterprise Manager Database Control, you may see a page concerning licensing. Review the information and respond appropriately to your situation. 注意：如果這是這是第一次你訪問企業管理器控制數據庫，你可以看到頁面有關的許可。重復看那個信息和回應恰當的你的情況 Refer to Chapter 4 for detailed instructions on starting the instance and opening the database. ?參考第四章關于詳細的指導在開啟實例和打開數據庫。 |
| 3. | The Database Home page is displayed. You can access the Performance, Availability, Server, Schema, Database Movement, and Software and Support property pages from the Database Home page. 那個數據庫頁面被顯示。從數據庫主頁你可以訪問那個性能，可用性，服務，模式，數據庫移動，軟件和支持屬性頁面 ? |
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In this section you will learn how to grant management privileges to other database users. Administrators are database users defined in the Management Repository who can log in to Enterprise Manager to perform management tasks. The breadth of management tasks available in Enterprise Manager depends on the privileges and roles assigned to the administrators.
在這個部分你會學習如何的授予管理員的權限給其他數據庫用戶。管理員是數據庫定義在管理倉儲用戶，是一個可以登進企業管理器完成管理任務。在企業管理中可以得到管理任務廣度依賴于那個管理員分配的角色和權限是。
Perform the steps listed below to grant management privileges to other database users:
完成下面列表中的步驟授予管理員的權限給其他用戶。
| 1. | Click Setup in the right-hand corner at the top of the Database Home page. 點擊在數據庫頂端右手邊角落的Setup按鈕。 ? |
| 2. | Click on the Administrators tab in the left menu. The Administrators list is displayed. 點擊左邊菜單那個管理員標簽。管理員列列表被顯示。 ? ? |
| 3. | Click Create to create a new Enterprise Manager user by assigning the management privileges to an existing database user. The Create Administrator: Properties page is displayed. 點擊create為了創建一個新的企業管理員用戶，給一個存在的數據庫用戶分配一個管理員的權限。那個創建管理員：屬性頁面被顯示。 ? ? |
| 4. | In this step you will grant administrative privileges to the HR user. Enter HR for Name and select Super Administrator for the Administrator Privilege. 這個步驟是給hr用戶授予管理員的權限。在名字那欄輸入HR，在Administrator Privilege 那欄選擇Super Administrator ? |
| 5. | Click Review.（點擊檢閱） ? |
| 6. | Click Finish. ? |
| 7. | The Administrators page appears again and your new administrator is included in the administrator list. 管理員頁面再一次出現，在那個管理員列表中顯示所有的管理員包括你添加的管理員HR。 ? |
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When you plan to bring your database down for maintenance, you can indicate that you do not want alert notifications to be sent to you by defining a blackout period. Blackouts also allow you to suspend monitoring in order to perform other maintenance operations. You can define a blackout time period in Enterprise Manager Database Control by performing the following steps:
當你為了穩定計劃引起你數據庫關閉，你可以指示你不想要警告信息發送給你在那個斷電時期。為了維持穩定操作斷電也推遲堅持。通過完成下面的步驟，你也可以在數據庫控制管理定義的斷電時間段。
| 1. | Click Blackouts in the left hand pane.（在左邊的玻璃窗里點擊blackouts） ? |
| 2. | The Blackouts page appears. Click Create to start the Create Blackout wizard. 那個BLACKOUTS頁面出現，點擊創建為了開始創建斷電向導。 ? |
| 3. | Enter a name for your blackout in the Name field. You can also add comments in the Comments field although it is not a required a field. Select Enter a new reason and enter a reason for your blackout. Select Database Instance in the type drop-down menu in the Available Targets region. Select your database and click Move to add it to the Selected Targets list. (Note: The DB target name may differ, depending on your installation). Click Next. 在名字區域中輸入你斷電的名字，你也可以添加注釋在注釋區域內雖然他不是必須填寫的。選擇輸入你新的理由，輸入你斷電的理由。在可獲得目標區域選擇數據庫實例在那個下拉菜單類型中。現在你的數據庫和點擊移動為了添加它到那個選擇目標列表。（注意：那個數據庫目標名字可以不同，取決于你安裝的名字），點擊下一步。 ? |
| 4. | The Create Blackout: Schedule page appears. Enter the start time of your planned blackout, or choose immediately if you are shutting down the database now. Select the duration of the blackout, either as indefinite, as a length or time, or until a time in the future. Accept the default of "Do Not Repeat" or select a repeat frequency in the Repeat pull down menu. Click Next. 創建一個停電：時間表頁面出現。輸入你計劃斷電的開始時間，如果你關閉數據庫現在可以選擇立即。選擇斷電的持續時間。或者未定義。如在今后的一個長度或者直到一個時間。接受那個默認的不重復或者在下面了菜單中選擇重復頻率。 ? ? |
| 5. | The Create Blackout: Review page appears. Review what you have entered and click Finish. You can click Back if you need to change a setting. 創建停電：核實頁面出現。核實下你有輸入的，點擊完成。如果你需要改變設置點擊返回。 ? |
| 6. | You receive a confirmation message that your blackout has been defined. 你接受一個你斷電有被定義的確認信息。 ? |
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You can set Preferred Credentials so that Enterprise Manager will automatically supply host and database login credentials for you when you schedule jobs and tasks to perform administrative operations like backup and recovery. For security, Oracle stores preferred credentials in encrypted mode. You can set preferred credentials in Enterprise Manager Database Control by performing the following steps:
你可以設置關聯的資格以便于企業管理器會自動的為你提供主機和數據庫登入資格當，你日程表工作和任務完成管理員的操作比如備份和恢復。為了安全，oracle存儲關聯的資格是在加密模式。在下面的步驟你可以在企業管理控制數據庫設置關聯的資格。
| 1. | Click Preferences at the top of the Database Home page. 在數據庫上方主頁面點擊Preferences。 ? |
| 2. | The Preferences page appears. Click Preferred Credentials in the left hand pane. 首選項頁面出現。在左手玻璃窗里點擊首選身份證明。 ? |
| 3. | The Preferred Credentials page appears. Click the icon under Set Credentials for the Database Instance Target Type. 首選身份證明頁面出現。點擊數據庫實例目標類型那個set credentials 圖標。 ? |
| 4. | The Database Preferred Credentials page appears. Enter the credentials in the form of username and password for normal, SYSDBA and host connections. Click Test. 數據庫首選項身份證明頁面出現。輸入身份證明在表格中normal，sysdba，host connection 的用戶名，密碼，點擊test。 ? |
| 5. | You receive a confirmation message that your credentials have been verified. Click Apply to save your preferred credentials. 你會收到一個身份證明有被驗證的確認信息。點擊應用保存你首選項的身份證明。 ? ? |
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In this tutorial, you learned how to:（在這個手冊中你學會了如何的：）
| Start and verify the status of the dbconsole process.（啟動和驗證那個數據庫控制臺進程的狀態） | ||
| Log into Enterprise Manager (EM) Database Control.（登進企業管理器控制數據庫） | ||
| Granting administrator privileges to other users.（授予管理員權限給其他用戶） | ||
| Define a blackout period for you database instance.（為你數據庫定義一個斷電時間區域） | ||
| Set preferred credential information in EM to be used later for administrative tasks 在企業管理器中設置首選憑據信息，稍后被使用為了管理員的任務。 | ||
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轉載于:https://www.cnblogs.com/yjhlsbnf/p/7705606.html
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