Add Swap space in Linux quickly !!!!

1.. Determine the size of the new swap file in megabytes and multiply by 1024 to determine the number of blocks. For example, the block size of a 64 MB swap file is 65536. 2.. At a shell prompt as root, type the following command with count being equal to the desired block size:- dd …

DUPLICATE From ACTIVE Database Using RMAN

Active database duplication copies the live target database over the network to the auxiliary destination and then creates the duplicate database. Only difference is that you don't need to have the pre-existing RMAN backups and copies. The duplication work is performed by an auxiliary channel. This channel corresponds to a server session on the auxiliary …

Backup-Based Duplication without a Target Connection but with Recovery Catalog Connection

1.. Take a full database backup and transfer the backups from the source server (PROD) to the destination server (UAT-Auxiliary) in exactly the same location where it was created on the source server. scp *.bkp oracle@192.168.56.21:/backup/RMAN_BKP Note :- PROD and PREPROD-Catalog database plus UAT-Auxiliary database is running in two different server For PROD backup location …

Creating Recovery Catalog in Oracle Database 11gR2

A recovery catalog is a database schema used by RMAN to store metadata about one or more Oracle databases. Typically, it stores the catalog in a dedicated database. Whereas a recovery catalog provides the following benefits: A recovery catalog creates redundancy for the RMAN repository stored in the control file of each target database. The …

Creating File Storage Services and mounting in Oracle Cloud Infra aka OCI

1… Configure VCN, FSS_VCN Security List Rules for the File Storage. VCN consists of Security List which allow or deny traffic to a subnet. Before you can mount a file system, configure security list rules to allow traffic to the mount target subnet. 2.. Navigate to  -> Core Infrastructure, Networking and click Virtual Cloud Network …

Volume groups in Oracle Cloud Infrastructure for Boot and Block Volume…

The Oracle Cloud Infrastructure Block Volume service provides you with the capability to group together multiple volumes in a volume group. A volume group can include both types of volumes, boot volumes, which are the system disks for your Compute instances, and block volumes for your data storage. You can use volume groups to create …

Resizing a Boot Volume and Block Volume in OCI for a Linux Instance ….

1.. Navigate to Compute Instance of your choice and click on STOP tab. For e.g. I have selected RPG_COMPUTE_1 2.. Again navigate to Instance detail page, under Resource click on BOOT Volume and click on detach the boot volume. 3..Once volume is detached, open the navigation menu. Under Core Infrastructure, go to Compute and click …

Attaching a block Volume in Oracle Cloud Infrastructure aka OCI ….

1.. Open the navigation menu. Under Core Infrastructure, go to Compute and click Instances. 2.. In the Instances list, click the instance that you want to attach a volume to. Note :- for now I have selected compute  RPG_COMPUTE_1 3.. In the Resources section, click Attached Block Volumes. 4.. Click Attach Block Volume Volume Attachment …

Creating a block Volume in Oracle Cloud Infrastructure aka OCI !!!!

1.. Open the navigation menu. Under Core Infrastructure, go to Block Storage and click Block Volumes. 2.. Enter the information as given below. Name:  POC_BLOCK_1 Domain: Must be in the same availability domain as the instance. Size: Must be between 50 GB and 32 TB. You can choose in 1 GB increments within this range. …

VCN Remote Peering in Oracle Cloud Infrastructure aka OCI !!!!

Remote VCN peering is the process of connecting two VCNs in different regions (but in the same tenancy) with two non-overlapping CIDR . The peering allows the VCNs' resources to communicate using private IP addresses without routing the traffic over the internet or through your on-premises network. Without peering, a given VCN would need an …