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00:00:00 /u01/app/12.2.0/grid/bin/tnslsnr LISTENER_SCAN3 -no_crs_notify -inherit, 0 S grid 4629 1 0 80 0 - 70618 - 14:44 ? 1. So let's see what option do we have to deploy a HA oracle databases in the aws cloud whether using oracle RDS or simply an EC2 instances. Click here to return to Amazon Web Services homepage. A new 2-node Oracle RAC vmcrac with RAC VM’s vmcrac01 and vmcrac02 were configured as part of this solution. A command was run to check the RAC database and instance status, oracle@vmcrac01:vmcrac01:/home/oracle> srvctl status database -d vmcrac, Instance vmcrac01 is running on node vmcrac01, Instance vmcrac02 is running on node vmcrac02, 4. You can now deploy scalable Oracle Real Application Clusters (RAC) on Amazon EC2 using the recently-published tutorial and Amazon Machine Images (AMI) on AWS Marketplace. For cloud deployments, Oracle offers the use of its managed cloud platform. Licensing Oracle RAC on AWS is tricky, because Oracle wants to deter people from running it in any cloud environment but their own. This test successfully created a new 2-node Oracle RAC vmcrac to leverage Application level HA along with the Infrastructure level HA provided by VMware Cloud on AWS. Whether Oracle RAC is required depends on your availability SLA and sizing requirements. The platform concentrates on all Database Technologies like Oracle Database Administration(DBA), Oracle RAC, Oracle GoldenGate, MySQL, SQL Server Database Administration, Cassandra, AWS and DevOps. If the database is not using RAC currently then adding the RAC may be a good way to achieve better HA in AWS. Oracle RAC is a shared-everything database cluster technology from Oracle that allows a single database (a set of data files) to be concurrently accessed and served by one or many database server instances. This is an effort of many dedicated professionals for a better IT world. 00:00:00 /u01/app/12.2.0/grid/bin/tnslsnr LISTENER -no_crs_notify -inherit, 3. To simulate a RAC-like cluster in AWS, stand-alone Oracle on EC2 instances can be configured in multiple Availability Zones (AZ) in each region. Deploying Oracle RAC on Amazon EC2 allows you leveraging the elasticity and scalability of Amazon Web Services. The Oracle Databases on VMware Best Practices Guide provides best practice guidelines for deploying Oracle workloads on the VMware SDDC. Steps to add shared VMDKs with multiwriter attribute for vSphere attached traditional storage can be found here and for vSAN can be found here, The complete list of Oracle initialization parameters for all three sets of VMs can be found in “Appendix A.”. Alternatively, you can decide to go with different cloud providers, and set up an Oracle database on Azure or AWS. 5. The Oracle Databases on VMware RAC Deployment Guide describes a deployment of Oracle RAC using Oracle ASM and ASMLib on the VMware vSphere platform for Oracle DBAs planning to virtualize Oracle RAC on the VMware platform. This AWS Solution comes with CT advisory services from Cambridge’s AWS Cloud Architects to complement your solution with additional consulting services and also includes options to purchase new or migrating BYOL Oracle Licenses options. While they have not outright forbade support for RAC on AWS, they have made some public statements to attempt to discourage users from doing so. By enabling Oracle RAC on AWS, SkyCluster unlocks the on-demand agility of the cloud for the most critical applications. You can remove a processor from a bi-socket to become a one-socket server, and then build a cluster running RAC in Standard Edition with 2 of those nodes. Running Oracle Database in the AWS Cloud is very similar to running Oracle Database in your data center. With the recent launch of the VMware Cloud on AWS Software Defined Data Center (SDDC) from VMware, many Business Critical Application (BCA) workloads that were previously difficult to deploy in the cloud no longer require significant platform modifications.. In addition to the two VMDKs shown in Table x, attach the previously created vmcrac01 EZT VMDKs to vmcrac02 on the same SCSI X:Y slot with the multiwriter attribute set. SkyCluster vs. VMware Cloud for running Oracle RAC on AWS. There are a number of options when migrating an Oracle RAC database to AWS. One important point to note is that oracle RAC is not supported on the AWS cloud ! Is Oracle RAC Supported In AWS? For continued high availability , VM-to-VM Anti Affinity rules must be created to specify that RAC VMs vmcrac01 and vmcrac02 must not run on the same host—that is, they must be kept on separate hosts. NetApp® Cloud Volumes Service for AWS enables companies to run RAC workloads in AWS, all the while boosting performance, data durability, availability, cost-efficiency, and reducing time to market. Other teams had already tried to optimize the migration process and reduce… All best practices for Oracle workloads on VMware SDDC were followed in accordance with the Oracle Databases on VMware Best Practices Guide here. Oracle E-Business Suite RAC deployed on VMware Cloud on AWS SDDC will benefit from the advantages of high availability, scalability, operational procedures and improved performance. Written by David Yahalom, CTO and co-founder of NAYA Tech—a leading database, big data, and cloud professional and consulting service provider, located in San Jose, CA. Enter VMware Cloud on AWS. For HA and fail over, AWS offers multi-AZ capabilities which can provide the same level of service. All rights reserved. VMware Cloud ENIs VMware vSphere + vSAN+ NSX vSANWitness Customer Router AWS Direct Connect Mgmt i3 Metal i3 Oracle RAC on VMware Cloud on AWS SDDC 1.8v2 , all muscles, no fat!! The rest of the steps from a provisioning or compute or storage perspective is no different than on-premises. This one is not about capacity. In addition, no Third-Party Cloud currently meets Oracle’s technical requirements to run Oracle RAC in a supported fashion. In this post, I discuss how Amazon Aurora can serve as a powerful and flexible alternative to Oracle RAC. Starting VMware Cloud on AWS SDDC version v1.8v2 , vSAN datastores in VMware Cloud on AWS now support multi-writer mode on Thin-Provisioned VMDKs. A hybrid cloud solution allows enterprises to maintain Oracle RAC on bare metal servers, either in on-premises data centers or in a private cloud, with low-latency connections to web/app tiers in AWS. The Network Section above shows an OraclePrivate logical network which is created for the Oracle RAC Private Interconnect traffic. Read on. ... Oracle RAC. “To be precise” – No more Eager Zero Thick disk(s) needed for Oracle RAC shared vmdk’s on VMware Cloud on AWS starting 1.8v2. This does not mean AWS is off-limits for Oracle RAC customers. The option you use depends upon the reason RAC is being used. A few days ago, we were challenged to reduce the database downtime for an Oracle RAC (on-premisses) migration to AWS RDS. Below is a list of vmcrac Oracle ASM disk groups. ORACLE-BASE - Amazon Web Services (AWS) : Installation of Oracle on EC2 Articles Oracle 8i Oracle 9i Oracle 10g Oracle 11g Oracle 12c Oracle 13c Oracle 18c Oracle 19c Miscellaneous PL/SQL SQL Oracle RAC Oracle Apps WebLogic Linux MySQL However, for customers who primarily use AWS native EC2 environment SkyCluster offers a much more practical solution. As per the following documentation the AWS cloud is listed as an “Authorized Cloud Environments” We can use either of the EC2 or the RDS services to deploy an oracle database. © 2020, Amazon Web Services, Inc. or its affiliates. For the full list of oracle program supported we can check this document. This test also demonstrated the use of VM-to-VM Anti Affinity rules to ensure RAC VM’s vmcrac01 and vmcrac02 must not run on the same host to ensure continued HA. Summary. Based on the above findings and observations, there are a couple of ways to migrate a 2-node Oracle RAC … 00:00:00 /u01/app/12.2.0/grid/bin/tnslsnr LISTENER -no_crs_notify -inherit, 0 S grid 10162 1 0 80 0 - 70593 - 14:46 ? In this case, active-active, cross-region, bidirectional replication can be managed using Oracle GoldenGate or SharePlex. The Union of VMware vSphere and the AWS Cloud – a platform for Oracle RAC in the Cloud. Accelerate your time to Oracle RAC cloud migration with Cambridge Technology, an APN advanced consulting partner with AWS Oracle competency. Oracle in the VMware Cloud on AWS VMware. This test also demonstrated the use of VM-to-VM Anti Affinity rules to ensure RAC VM’s vmcrac01 and vmcrac02 must not run on the same host to ensure continued HA. More details about this change can be found here. Applies to: Oracle Database - Enterprise Edition - Version 12.1.0.1 and later Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Express Cloud Service - … Oracle RAC Architecture 12 Further Reading 14 Abstract Amazon Web Services (AWS) provides a comprehensive set of services and tools for deploying Oracle Database on the reliable and secure AWS cloud infrastructure. Neither EC2 or RDS provide support for RAC. Oracle RAC != AWS. Previously, prior SDDC Version 1.8v2, vSAN required VMDKs to be Eager Zero Thick provisioned for multi-writer mode to be enabled. This change enables deployment of workloads such as Oracle RAC with Thin-Provisioned, multi-writer shared VMDKs. When used with Oracle Real Application Clusters, Oracle Database Standard Edition 2 may only be licensed on a maximum of 2 one-socket servers. The steps to deploy an Oracle RAC in VMware Cloud on AWS is no different than deploying the same on-premise. Developers building software that uses a production Oracle RAC database are now able to do their development and testing against their own Oracle RAC database deployed to Amazon EC2, which allows a quick detection of performance and availability regressions in their software related to the RAC architecture. Oracle cluster command was run to ensure that all Oracle services were running after the deployment. The DR environment is a 2-node Oracle RAC prddg comprising RAC VMs prddg01 and prddg02. It can be done in minutes, rather than weeks, as is the case with physical on-premises infrastructure. The alternative is to install Oracle on EC2. The only subtle difference is the creation of a Logical Network for Oracle RAC private Interconnect on VMware Cloud on AWS as opposed to creating a dedicated distributed Port Group on-premises. All VMs were created with the following attributes: Oracle 12.2.0.1.0 Grid Infrastructure and RDBMS binaries, Oracle SGA set to 32GB and PGA set to 4GB for all database instances, All RAC shared VMDKs were set to thin-provisoned , a requirement for turning on the multiwriter attribute (Starting VMware Cloud on AWS SDDC version v1.8v2 , vSAN datastores in VMware Cloud on AWS now support multi-writer mode on Thin-Provisioned VMDKs). This test case focuses on deploying a new 2-node RAC vmcrac with RAC VM’s vmcrac01 and vmcrac02 on VMware Cloud on AWS as per Oracle on VMware best practices and Oracle RAC on VMware deployment guide. Following the reliability Pillar of the aws… Below table provides Oracle RAC VM vmcrac01 disk layout and ASM disk group configuration. Oracle databases offer multi-modal database management, which you can deploy on-premise or in the cloud. Oracle ASM disk group VOTE_DG was created with high redundancy. A command was run to check that all listeners, including SCAN listeners, are running, oracle@vmcrac01:vmcrac01:/home/oracle> lis, 0 S grid 10141 1 0 80 0 - 70565 - 14:46 ? With VMware Cloud on AWS, ESXi hosts traditionally reside in an AWS Availability Zone (AZ) and are protected by vSphere HA. A command was run to check the RAC database status. operating system-level access. Let’s go with this for the rest of the comparison. An example is shown as below. Per the Oracle RAC on Amazon EC2 article in the AWS solutions library, there is no native support, but running RAC on AWS is nevertheless possible by using a third-party software component. When planning to deploy your critical oracle databases in the aws cloud high availability is one of the most critical criteria. More details on the VM-to-VM Anti Affinity rules and Compute Policies can be found in the VM Anti-Affinity section. A Storage Policy 'Oracle RAC VMC AWS Policy – OSR 0 RAID 1' for Oracle RAC was created which had the “Object Space Reservation” rule set to 0 to ensure the disk is provisioned as Thin Provisioned. The security costs alone added $25K to the monthly cost bringing it to $150K per month. This post describes a Better Together demonstration VMware and AWS presented at VMworld 2017 using an Oracle RAC Database for high-availability zero-downtime client connection failover, supporting a Django-Python application running in a Native AWS Elastic Beanstalk environment. Whether you choose to run a self-managed Oracle Database on Amazon EC2 or the fully managed Amazon RDS for Oracle, following the best practices discussed in this Also Independent persistent mode is not a requirement for enabling the multiwriter attribute, For performance and queue depth purposes, all ASM disk groups disks were presented on different PVSCSI controllers, All database-related VMDKs were partitioned using Linux utilities, with proper alignment offset and labeled with Oracle ASMLib, Oracle ASM disk groups DATA_DG, FRA_DG, IMR_DG, REDO_DG, and CRS_DG were created with external redundancy. (Doc ID 2093394.1) Last updated on SEPTEMBER 09, 2019. [root@vmcrac01 u01]# /u01/app/12.2.0/grid/bin/crsctl status resource -t, --------------------------------------------------------------------------------, 1 ONLINE ONLINE vmcrac02 169.254.21.93 192.16, 1 ONLINE ONLINE vmcrac01 Open, HOME=/u01/app/o, 2 ONLINE ONLINE vmcrac02 Open, HOME=/u01/app/o, 2. You can run advanced architectures like Oracle Real Application Cluster (RAC), Oracle RAC extended clusters (across different AZs) in VMware Cloud on AWS. 00:00:00 /u01/app/12.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -no_crs_notify -inherit, oracle@vmcrac02:vmcrac02:/home/oracle> lis, 0 S grid 4622 1 0 80 0 - 70621 - 14:44 ? Amazon Web Services (AWS) offers you the ability to run your Oracle Database in a cloud environment. This test successfully created a new 2-node Oracle RAC vmcracto leverage Application level HA along with the Infrastructure level HA provided by VMware Cloud on AWS. Below show public and private interconnect network details for Oracle RAC VMs vmcrac01 and vmcrac02. During the creation of the RAC cluster , shared storage needs to be added to all RAC VM’s. Now, set aside that Oracle RAC is not technically supported in AWS. To a database administrator or developer, there are no differences between the two environments. No more need to reserve all the storage upfront for installing and running Oracle RAC on VMware Cloud on AWS starting 1.8v2 !! Adding a node to the Oracle RAC cluster on Amazon EC2 is as easy as a few API calls and commands. The above Storage policy is assigned to all shared vmdk's for all the RAC VM's. The Quick Start deploys the Oracle primary database (using the preconfigured, general-purpose starter database from Oracle) on an Amazon EC2 instance in the first Availability Zone. Oracle RAC is a shared-everything database cluster technology from Oracle that allows a single database (a set of data files) to be concurrently accessed and served by one or many database server instances. Below table provides disk layout and ASM disk group configuration for Oracle RAC VM vmcrac02. If you need to migrate a database that currently uses RAC then it is most natural to use RAC in AWS too. Below table provides networking information for Oracle RAC vmcrac with VMs vmcrac01 and vmcrac02. 00:00:00 /u01/app/12.2.0/grid/bin/tnslsnr LISTENER_SCAN2 -no_crs_notify -inherit, 0 S grid 4657 1 0 80 0 - 70565 - 14:44 ? A command was run to check the RAC instances status: oracle@vmcrac01:vmcrac01:/home/oracle> olsnodes -n, INST_ID INSTANCE_NUMBER INSTANCE_NAME HOST_NAME VERSION STARTUP_T STATUS PAR THREAD# ARCHIVE LOG_SWITCH_WAIT LOGINS SHU DATABASE_STATUS INSTANCE_ROLE ACTIVE_ST BLO CON_ID INSTANCE_MO EDITION FAMILY DATABASE_TYPE, ---------- --------------- ---------------- ---------------------------------------------------------------- ----------------- --------- ------------ --- ---------- ------- --------------- ---------- --- ----------------- ------------------ --------- --- ---------- ----------- ------- -------------------------------------------------------------------------------- ---------------, 1 1 vmcrac01 vmcrac01.corp.localdomain 12.2.0.1.0 07-AUG-18 OPEN YES 1 STARTED ALLOWED NO ACTIVE PRIMARY_INSTANCE NORMAL NO 0 REGULAR EE RAC, 2 2 vmcrac02 vmcrac02.corp.localdomain 12.2.0.1.0 07-AUG-18 OPEN YES 2 STARTED ALLOWED NO ACTIVE PRIMARY_INSTANCE NORMAL NO 0 REGULAR EE RAC. $ aws ec2 create-route –route-table-id rtb-f36d5396 –destination-cidr-block 0.0.0.0/0 \ –gateway-id igw-6d5fc108 {« Return »: true} Next you should be able to create a subnet within your VPC, and tag it with a name that you will associate with this procedure (ORACLE RAC). The shared vmdk’s need to be added at the same SCSI position on all RAC VM’s and provisioned as Thin provisioned with multiwriter attribute set.

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