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Siebel Remote and Replication Manager Administration Guide > Architecture of Siebel Remote > How Siebel Remote Uses Siebel Servers > Server Components That Siebel Remote UsesTable 5 lists some of the server components that Siebel Remote uses. For more information, see Server Component Parameters. Generate New Database Server ComponentThe Generate New Database server component creates the local database template for a schema version of the server database. It reads the schema definition from the SRF, and then creates Siebel tables and indexes in a database template file that Siebel Remote stores in the Dictionary Data That Supports Multiple LanguagesThe Dicdata.dat file and the diccache.dat file are the same dictionary file. Siebel Remote names the Dicdata.dat file differently for the remote client. These files store metadata about schema definitions, visibility rules, and other items. The Generate New Database server component copies the diccache.dat file to the dicdata.dat file in the dbtempl folder. Siebel Remote downloads the dicdata.dat file to the remote client, and then uses it during synchronization when it applies transactions to the local database. For help with interchanging the dicdata.dat file between remote clients to support different languages, see Getting Help from Oracle. Database Extract Server ComponentThe Database Extract server component creates a snapshot file of the server database for each user. This file contains the data that Siebel Remote uses to initialize the local database. Database Extract gets data according to routing rules that define the level of access to information for each remote client. For more information, see Extracting the Server Database, and Extracting Regional Databases in Parallel. Synchronization Manager Server ComponentThe Siebel Server starts a Synchronization Manager task for each incoming synchronization request that it receives from a remote client. This task does the following work for each request:
Each Synchronization Manager task services only one remote client at any one time. The Siebel Server can run multiple synchronization tasks concurrently. You can use the Max Task parameter of the Synchronization Manager server component to configure this behavior. You must configure the Synchronization Manager for the user to allow the remote client to connect to the Siebel Server. Siebel Remote starts tasks for Synchronization Manager automatically. It is not necessary for you to manually start these tasks. The Siebel File System parameter of the Synchronization Manager server component identifies the location of the file system for the remote client. Transaction Processor Server ComponentThe Transaction Processor server component scans the master transaction log of the Database Configuration Utilities, and then prepares transactions for the Transaction Router server component. To avoid a deadlock problem, the Transaction Processor uses one of the following values according to the type of database that your Siebel application uses: For more information, see Using Time Filters to Prevent Sending Old Data. Transaction Router Server ComponentThe Transaction Router server component examines the transactions that the Transaction Processor creates in DX files in the txnproc folder. It determines visibility and routing for each transaction. Routing rules determine the dock object instances that Siebel Remote copies to each remote client. For more information, see Optimizing the Transaction Router Server Component. Transaction Merger Server ComponentThe Transaction Merger server component applies transactions to the Database Configuration Utilities that the user uploads to the Siebel Server inbox. It applies these transactions to the server database after the synchronization finishes and the remote client disconnects. For more information, see Optimizing the Transaction Merger Server Component. How Siebel Remote Makes Sure Server Components Can Run ConcurrencySiebel Remote uses the following rules and behaviors to make sure server components can run successfully in a concurrent environment:
About Redundant Disks on the Siebel ServerEach Siebel Server manages a distinct group of users that Siebel Remote assigns to this server. Other applications, such as Oracle's Enterprise Integration Manager (EIM), might run on the same Siebel Server. To maintain a high level of integrity and availability, the Siebel Server provides an interim storage area for the data that Siebel Remote requires to synchronize a local database with the Database Configuration Utilities. It is recommended that you use a redundant disk configuration for the Siebel Server. Using redundant disk configuration reduces the likelihood that malfunctioning hardware will result in a loss of data on the Siebel Server. If a malfunction does occur, then you can reextract the remote clients that are registered on the affected Siebel Server. |
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