Introduction to Oracle Cloud Infrastructure Block Volume and Step by Step LAB

Overview of Block Volume

The Oracle Cloud Infrastructure Block Volume service lets you dynamically provision and manage block storage volumes . You can create, attach, connect, and move volumes as needed to meet your storage and application requirements. After you attach and connect a volume to an instance, you can use the volume like a regular hard drive. You can also disconnect a volume and attach it to another instance without the loss of data.

 

These components are required to create a volume and attach it to an instance:

• ·        Instance: A bare metal or virtual machine (VM) host running in the cloud.

• ·        Volume attachment: There are two types of volume attachments:
    iSCSI: A TCP/IP-based standard used for communication between a volume and
              attached instance.   Paravirtualized: A virtualized attachment available for VMs.

• ·        Volume: There are two types of volumes:

•          Block volume: A detachable block storage device that allows you to dynamically expand the storage capacity of an instance.

•         Boot volume: A detachable boot volume device that contains the image used to boot a Compute instance. See Boot Volumes for more information.

Log into the Oracle Cloud and navigate to the Oracle Cloud Infrastructure (OCI) console.

From the top left Menu Go to Block Storage à Block Volume

Pop Up window fill all input

Provisioning will start and it will be created in a while

Now Lets attach this block volume to any Compute Instance

Open the Putty terminal of any Compute Instance and run lsblk to see block volume

Click on Instance -> Attached Block Volumes (0) à Attach Block Volume

Pop will come , provide all details and select ISCSI

Click on Attach- Choose SGBV2 here

Click on three dots and run the attachment commands

;

Copy the attach command and run on server. You can see one new block volume added. Run command lsblk

Format the disk

command sudo fdisk -l

Create a file system on top of this mount point.

sudo mkfs -t ext4 /dev/sdc

Create a directory structure and Mount the disk:

sudo mkdir /mnt/u006

sudo mount /dev/sdc /mnt/u006

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