Oracle RAC,Dataquard, ASM Training
Database Administrators (DBAs) are liable for the design, implementation, help and renovation of automated databases in nowadays’s businesses. The role additionally consists of architecting, building and scaling databases for future statistics boom and potential. They also are liable for safety, overall performance and availability of facts to customers and customers. All the above tasks are achieved with the assist of a Database Management System (DBMS) and the leading and maximum broadly used DBMS internationally nowadays are the Oracle Database, Microsoft SQL Server, MySQL database etc.
We are presently imparting a world class training programme for interested college students and professionals in Oracle RAC (Real Application Clusters), ASM (Automatic Storage Management) and Data Guard. The abilities learnt from this path have massive demand within the task marketplace.
Ability to unfold CPU load all through multipleservers. Continuous Availability / High Availability (HA) – Protection from single instance screw ups Protection from unmarried server disasters. RAC can take advantage of large SGA sizes than can be accommodated thru a unmarried instance commodity server.
Scalability. There are instances where RAC won’t be the best choice: If RAC is being used as a value savings answer, make certain to analyze each hardware and software program fees.
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Do not anticipate RAC to scale if the software will no longer scale on SMP.Be realistic approximately the latency distinction among local best memory-cache example communication and inter-node network based multi-instance Cache Fusion communication. Maintenance of actual-time, transactionally constant database copies to provide protection in opposition to unplanned downtime and catastrophe. Data safety and speedy restore in opposition to laptop screw ups, human mistakes, records corruption, lost writes, and site screw ups. Automatic failover with flexible information protection tiers to guide all community configurations and enterprise requirements. Faster redo software, redo shipping, and function transitions with various upgrades. Reduction of deliberate downtime for system modifications, some platform migrations, hardware and system upgrades, and Oracle patch set and database upgrades. Multiple degrees of statistics safety and performance to stability information availability towards gadget performance necessities. Support for each physical standby databases (along with the Active Data Guard alternative) and logical standby databases to offer greater green use of system sources by using diverting extra querying and reporting features from the primary database to standby databases (with the logical standby databases imparting extra flexibility for any interest that requires get entry to to a standby database that is open for read/write get right of entry to). Support for picture standby database for reporting or trying out (cloning) purposes and automated resynchronization with the primary database as soon as reporting or trying out has finished. It does not require huge amounts of reminiscence for cache.
The reminiscence no longer required for record system caching can be configured for Oracle reminiscence (SGA) where it’s far extra green (observe that ASM requires usually some hundred megabytes for inner administration, shared throughout all databases). ASM distributes chunks of statistics pseudo-randomly throughout all available logical disks in a disk institution, thereby putting off capacity performance “hot-spots”. ASM does no longer carry out any I/O itself so there may be no “translation layer” for Oracle I/O to datafiles into disk block offsets. I/O from databases is without delay implemented to disk volumes without modification. This again reduces overhead and improves performance. Therefore ASM additionally does no study-ahead (like filesystems) to study facts in (filesystem) cache that is by no means utilized by the database. ASM does not require extensive tuning such as putting fragment sizes successfully and tuning record device journals. When growing an ASM disk institution you only want to define the “bite length” and whether or now not to carry out nice striping. It is unlikely to make configuration mistakes (causing overall performance problems) if some easy ASM configuration pointers are accompanied.
Hye Infotech provides the best training on Oracle RAC,Dataquard, ASM Training in chennai. We arrange classes based on student feasible timings, to take online or classroom trainings in chennai. We are the Best Oracle RAC,Dataquard, ASM Training Institute in Chennai as far as Oracle RAC,Dataquard, ASM Training syllabus is concerned.
- Oracle 11g R2 Grid Infrastructure Concepts
- What is a Cluster
- Grid Foundation Components
- Oracle Clusterware Architecture
- Oracle Clusterware Software and Storage
- Describe ASM Architecture
- Creating and Managing ASM Disk Groups
- Creating and Managing ASM Cluster File structures
- Administering Oracle Clusterware
- Troubleshooting Oracle Clusterware
- Grid Infrastructure Installation and Configuration
- Hardware Requirements
- Network Requirements
- Software Requirements
- DNS and DHCP Configuration
- Grid Plug and Play Considerations
- Single Client Access Names
- Post set up tasks
- Oracle Automatic Storage Management standards
- ASM Instance
- ASM Disks
- ASM Disk Groups
- ASM Redundancy
- Cluster installation Prerequisite for Oracle 11g R2 RAC
- Linux OS Software Installation
- Create OS Group and User Accounts
- Synchronizing the Time on ALL Nodes
- Configuring Kernel Parameters
- Set shell limits for the oracle & grid consumer
- Create the Oracle Inventory Directory
- Creating the Oracle Grid Infrastructure Home Directory
- Creating the Oracle Base Directory
- Creating the Oracle RDBMS Home Directory
Best Oracle RAC,Dataquard, ASM Training:
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