-
What is Block Storage ?
Hard drive in a server except the hard drive happens to be installed in a remote chassis. Data is typically stored on device in fixed sized blocks (eg. 512 Bytes). Accessed by operating system as mounted drive volume. Applications / file systems decide how blocks are combined and accessed. Data is stored without any higher-level…
-
What is Compartment in Cloud ?
Compartment A compartment is a collection of related resources. It helps us isolate and control access to our resources. Tenancy / Root Compartment Root Compartment can hold all the Cloud Resources. Best Practice is to create dedicated compartments when we need to isolate resources. Point to Note :- Each…
-
Oracle Cloud Infrastructure Architecture
Regions Localized geographical areas,comprised of one or more Availability Domain (AD). Availability Domain One or more Fault-tolerant, isolated data center located within the region, but connected to each other by a low latency, high bandwidth network. Availability Domains are isolated from each other, fault tolerant, and very unlikely to fail simultaneously. …
-
Cloud Computing
Cloud Computing Defination of Cloud Computing given by NIST. Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud…
-
Solved "stack.sh fails creating initial neutron network elements"
+lib/neutron_plugins/services/l3:create_neutron_initial_network:162 die_if_not_set 162 project_id ‘Failure retrieving project_id for demo’ I encountered this error while installing OpenStack using DevStack. The reason was I kept the base memory of CentOS7 virtual machine to 1024 MB. Failure retrieving project_id for demo error can be solved by increasing base memory greater than 2048 MB. It worked for me, I…
-
Solve ./stack.sh fails at devstack@etcd.service
While installing OpenStack using Devtsack the following error may occur ./stack.sh fails at devstack@etcd.service. This error mainly occurs with the system which is connected to the DHCP Network. Due to the DHCP Network, the IP Address is dynamically allocated to your system. If ./stack.sh script didn’t execute in one shot and if your IP Address…
-
How to fix the following error: devstack/lib/tempest: line 637: tox:command not found while running ./stack.sh script.
error: devstack/lib/tempest: line 637: tox:command not found. The above error is obtained when something went wrong while running the script ./stack.sh. Mainly when you run the script 2-3 due to some other reasons. So how to fix the following error: devstack/lib/tempest: line 637: tox:command not found. I recently got a fix for it. Firstly check…
-
Step by Step Installation of XenServer in Virtual Box
Create Virtual Machine in Virtual Box using following YouTube Video. Note :- Replace the Ubuntu’s iso file with XenServer’s iso file . Once the XenServer’s Virtual Machine is Created Follow the Below Given Steps . Step 1 :- Select the keymap you are familiar with and click Ok. Step 2 :- Click Ok on Welcome to XenServer Stepup window. Step…