fixes link issue point

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govardhan
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Ephemeral vs Persistent storage option Create New Volume on CloudFerro Cloud[](#ephemeral-vs-persistent-storage-option-create-new-volume-on-brand-name "Permalink to this headline")
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Volumes created in the **Volumes > Volumes** section are *persistent* storage. They can be attached to a virtual machine and then reattached to a different one. They survive the removal of the virtual machine to which they are connected. You can also clone them, which is a simple way of creating a backup. However, if you copy them, you might also be interested in [Volume snapshot inheritance and its consequences on CloudFerro Cloud](Volume-snapshot-inheritance-and-its-consequences-on-CloudFerro-Cloud.html).
Volumes created in the **Volumes > Volumes** section are *persistent* storage. They can be attached to a virtual machine and then reattached to a different one. They survive the removal of the virtual machine to which they are connected. You can also clone them, which is a simple way of creating a backup. However, if you copy them, you might also be interested in [Volume snapshot inheritance and its consequences on CloudFerro Cloud](Volume-snapshot-inheritance-and-its-consequences-on-CloudFerro-Cloud.html.md).
If you follow the instructions in this article: [VM created with option Create New Volume Yes on CloudFerro Cloud](../cloud/VM-created-with-option-Create-New-Volume-Yes-on-CloudFerro-Cloud.html) and set **Delete Volume on Instance Delete** to **No**, the boot drive of such virtual machine will also be persistent storage. You can, for example, use this feature to perform various tests and experiments.
If you follow the instructions in this article: [VM created with option Create New Volume Yes on CloudFerro Cloud](../cloud/VM-created-with-option-Create-New-Volume-Yes-on-CloudFerro-Cloud.html.md) and set **Delete Volume on Instance Delete** to **No**, the boot drive of such virtual machine will also be persistent storage. You can, for example, use this feature to perform various tests and experiments.
If you do not need persistent storage, use *ephemeral* storage. It cannot be reattached to a different machine and will be removed if the machine is removed. See the article [VM created with option Create New Volume No on CloudFerro Cloud](../cloud/VM-created-with-option-Create-New-Volume-No-on-CloudFerro-Cloud.html) on how to create a virtual machine with this type of storage.
If you do not need persistent storage, use *ephemeral* storage. It cannot be reattached to a different machine and will be removed if the machine is removed. See the article [VM created with option Create New Volume No on CloudFerro Cloud](../cloud/VM-created-with-option-Create-New-Volume-No-on-CloudFerro-Cloud.html.md) on how to create a virtual machine with this type of storage.
You may find more information regarding this topic in [the official OpenStack documentation on design storage concepts](https://docs.openstack.org/arch-design/design-storage/design-storage-concepts.html).
You may find more information regarding this topic in [the official OpenStack documentation on design storage concepts](https://docs.openstack.org/arch-design/design-storage/design-storage-concepts.html.md).

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@ -19,7 +19,7 @@ You need a CloudFerro Cloud hosting account with Horizon interface <https://hori
No. 2 **Windows VM**
You must operate a Microsoft Windows virtual machine running on CloudFerro Cloud cloud. You can access it using the webconsole ([How to access the VM from OpenStack console on CloudFerro Cloud](../cloud/How-to-access-the-VM-from-OpenStack-console-on-CloudFerro-Cloud.html)) or through RDP. If you are using RDP, we strongly recommend using a bastion host for your security: [Connecting to a Windows VM via RDP through a Linux bastion host port forwarding on CloudFerro Cloud](../windows/Connecting-to-a-Windows-VM-via-RDP-through-a-Linux-bastion-host-port-forwarding-on-CloudFerro-Cloud.html).
You must operate a Microsoft Windows virtual machine running on CloudFerro Cloud cloud. You can access it using the webconsole ([How to access the VM from OpenStack console on CloudFerro Cloud](../cloud/How-to-access-the-VM-from-OpenStack-console-on-CloudFerro-Cloud.html.md)) or through RDP. If you are using RDP, we strongly recommend using a bastion host for your security: [Connecting to a Windows VM via RDP through a Linux bastion host port forwarding on CloudFerro Cloud](../windows/Connecting-to-a-Windows-VM-via-RDP-through-a-Linux-bastion-host-port-forwarding-on-CloudFerro-Cloud.html.md).
Step 1: Create a New Volume[](#step-1-create-a-new-volume "Permalink to this headline")
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@ -143,4 +143,4 @@ What To Do Next[](#what-to-do-next "Permalink to this headline")
Once you have gathered some data on your volume, you can create its backup, as explained in this article:
[How to Create Backup of Your Volume From Windows Machine on CloudFerro Cloud](How-To-Create-Backup-Of-Your-Volume-From-Windows-Machine-on-CloudFerro-Cloud.html)
[How to Create Backup of Your Volume From Windows Machine on CloudFerro Cloud](How-To-Create-Backup-Of-Your-Volume-From-Windows-Machine-on-CloudFerro-Cloud.html.md)

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No. 2 **Windows VM**
You must operate a Microsoft Windows virtual machine running on CloudFerro Cloud cloud. You can access it using the webconsole ([How to access the VM from OpenStack console on CloudFerro Cloud](../cloud/How-to-access-the-VM-from-OpenStack-console-on-CloudFerro-Cloud.html)) or through RDP. If you are using RDP, we strongly recommend using a bastion host for your security: [Connecting to a Windows VM via RDP through a Linux bastion host port forwarding on CloudFerro Cloud](../windows/Connecting-to-a-Windows-VM-via-RDP-through-a-Linux-bastion-host-port-forwarding-on-CloudFerro-Cloud.html).
You must operate a Microsoft Windows virtual machine running on CloudFerro Cloud cloud. You can access it using the webconsole ([How to access the VM from OpenStack console on CloudFerro Cloud](../cloud/How-to-access-the-VM-from-OpenStack-console-on-CloudFerro-Cloud.html.md)) or through RDP. If you are using RDP, we strongly recommend using a bastion host for your security: [Connecting to a Windows VM via RDP through a Linux bastion host port forwarding on CloudFerro Cloud](../windows/Connecting-to-a-Windows-VM-via-RDP-through-a-Linux-bastion-host-port-forwarding-on-CloudFerro-Cloud.html.md).
No. 3 **Volume**

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Note
If you want to create and attach a volume that has more than 2 TB of storage, you will need to use different software for its formatting. If this is the case, please visit the following article instead: [How to attach a volume to VM more than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-CloudFerro-Cloud.html).
If you want to create and attach a volume that has more than 2 TB of storage, you will need to use different software for its formatting. If this is the case, please visit the following article instead: [How to attach a volume to VM more than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-CloudFerro-Cloud.html.md).
What We Are Going To Cover[](#what-we-are-going-to-cover "Permalink to this headline")
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@ -25,11 +25,11 @@ No. 2 Linux VM running on the CloudFerro Cloud cloud
Instructions for creating and accessing a Linux VM using default images can be found here:
[How to create a Linux VM and access it from Linux command line on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-CloudFerro-Cloud.html)
[How to create a Linux VM and access it from Linux command line on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-CloudFerro-Cloud.html.md)
or here:
[How to create a Linux VM and access it from Windows desktop on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-CloudFerro-Cloud.html).
[How to create a Linux VM and access it from Windows desktop on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-CloudFerro-Cloud.html.md).
The instructions included in this article are designed for Ubuntu 22.04 LTS.
@ -39,7 +39,7 @@ You will need basic knowledge of the Linux command line.
No. 4 **SSH access to the VM**
[How to connect to your virtual machine via SSH in Linux on CloudFerro Cloud](../networking/How-to-connect-to-your-virtual-machine-via-SSH-in-Linux-on-CloudFerro-Cloud.html).
[How to connect to your virtual machine via SSH in Linux on CloudFerro Cloud](../networking/How-to-connect-to-your-virtual-machine-via-SSH-in-Linux-on-CloudFerro-Cloud.html.md).
Step 1: Create a Volume[](#step-1-create-a-volume "Permalink to this headline")
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Note
If you want to create and attach a volume that has less than 2 TB of storage, you will need to use different software for its formatting. If this is the case, please visit the following article instead: [How to attach a volume to VM less than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-less-than-2TB-on-Linux-on-CloudFerro-Cloud.html).
If you want to create and attach a volume that has less than 2 TB of storage, you will need to use different software for its formatting. If this is the case, please visit the following article instead: [How to attach a volume to VM less than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-less-than-2TB-on-Linux-on-CloudFerro-Cloud.html.md).
What We Are Going To Cover[](#what-we-are-going-to-cover "Permalink to this headline")
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@ -25,9 +25,9 @@ No. 2 Linux VM running on CloudFerro Cloud cloud
Instructions for creating and accessing a Linux VM using default images can be found here:
[How to create a Linux VM and access it from Linux command line on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-CloudFerro-Cloud.html) or here:
[How to create a Linux VM and access it from Linux command line on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-CloudFerro-Cloud.html.md) or here:
[How to create a Linux VM and access it from Windows desktop on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-CloudFerro-Cloud.html).
[How to create a Linux VM and access it from Windows desktop on CloudFerro Cloud](../cloud/How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-CloudFerro-Cloud.html.md).
The instructions included in this article are designed for Ubuntu 20.04 LTS.
@ -37,7 +37,7 @@ You will need basic knowledge of the Linux command line.
No. 4 **SSH access to the VM**
[How to connect to your virtual machine via SSH in Linux on CloudFerro Cloud](../networking/How-to-connect-to-your-virtual-machine-via-SSH-in-Linux-on-CloudFerro-Cloud.html).
[How to connect to your virtual machine via SSH in Linux on CloudFerro Cloud](../networking/How-to-connect-to-your-virtual-machine-via-SSH-in-Linux-on-CloudFerro-Cloud.html.md).
Step 1: Create a Volume[](#step-1-create-a-volume "Permalink to this headline")
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**IT IS NECESSARY TO OPEN THE PORT 2049 IN A SECURITY GROUP!**
(The FAQ about opening ports in a security group is available at [How can I open new ports for http for my service or instance on CloudFerro Cloud](../networking/How-can-I-open-new-ports-port-80-for-http-for-my-service-or-instance-on-CloudFerro-Cloud.html))
(The FAQ about opening ports in a security group is available at [How can I open new ports for http for my service or instance on CloudFerro Cloud](../networking/How-can-I-open-new-ports-port-80-for-http-for-my-service-or-instance-on-CloudFerro-Cloud.html.md))
**Client Configuration**

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Warning
2. If you have a volume < 2TB and you want to extend it above 2TB, please do not follow below instructions. Instead please create a new volume, format it according to another article: [How to attach a volume to VM more than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-CloudFerro-Cloud.html), attach it to the VM, copy the data from the old volume to the new one, check if it is fully copied, detach and delete the old volume.
2. If you have a volume < 2TB and you want to extend it above 2TB, please do not follow below instructions. Instead please create a new volume, format it according to another article: [How to attach a volume to VM more than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-CloudFerro-Cloud.html.md), attach it to the VM, copy the data from the old volume to the new one, check if it is fully copied, detach and delete the old volume.
You may use following guide to backup the volume: [How to create volume Snapshot and attach as Volume on Linux or Windows on CloudFerro Cloud](How-to-create-volume-Snapshot-and-attach-as-Volume-on-Linux-or-Windows-on-CloudFerro-Cloud.html)
You may use following guide to backup the volume: [How to create volume Snapshot and attach as Volume on Linux or Windows on CloudFerro Cloud](How-to-create-volume-Snapshot-and-attach-as-Volume-on-Linux-or-Windows-on-CloudFerro-Cloud.html.md)
**Resizing the volume:**

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@ -16,7 +16,7 @@ Prerequisite No. 2 **Valid EC2 credentials**
The Access Key and Secret Key for access to an s3 account are also called the “EC2 credentials”. See article
[How to generate and manage EC2 credentials on CloudFerro Cloud](../cloud/How-to-generate-ec2-credentials-on-CloudFerro-Cloud.html)
[How to generate and manage EC2 credentials on CloudFerro Cloud](../cloud/How-to-generate-ec2-credentials-on-CloudFerro-Cloud.html.md)
At this point, you should have access to the cloud environment, using the OpenStack CLI client. It means that the command **openstack** is operational.
@ -72,4 +72,4 @@ What To Do Next[](#what-to-do-next "Permalink to this headline")
If you want to access s3 files without mounting to the local computer, use command **s3cmd**.
[How to access private object storage using S3cmd or boto3 on CloudFerro Cloud](../s3/How-to-access-private-object-storage-using-S3cmd-or-boto3-on-CloudFerro-Cloud.html)
[How to access private object storage using S3cmd or boto3 on CloudFerro Cloud](../s3/How-to-access-private-object-storage-using-S3cmd-or-boto3-on-CloudFerro-Cloud.html.md)

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In conclusion, when creating new volumes from a snapshot, remember about inheritance. Snapshot “Snapshot A” is a parent for the volumes (children) “Volume B” and “Volume C” and if we want to delete the volume “Volume A”, we have to do it from the youngest generation (Volume B and Volume C).
Backups are another solution and they do not create such bonds as snapshots and may exist even after the volume from which the backup was created has been deleted. Please see [How to Backup an Instance and Download it to the Desktop on CloudFerro Cloud OpenStack Hosting](../openstackcli/How-to-backup-an-instance-and-download-it-to-the-desktop-on-CloudFerro-Cloud.html).
Backups are another solution and they do not create such bonds as snapshots and may exist even after the volume from which the backup was created has been deleted. Please see [How to Backup an Instance and Download it to the Desktop on CloudFerro Cloud OpenStack Hosting](../openstackcli/How-to-backup-an-instance-and-download-it-to-the-desktop-on-CloudFerro-Cloud.html.md).

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DATA VOLUME[](#data-volume "Permalink to this headline")
=========================================================
# Data Volume Management
## Available Documentation
* [Bootable versus non bootable volumes on CloudFerro Cloud](Bootable-versus-non-bootable-volumes-on-CloudFerro-Cloud.html.md)
* [Ephemeral vs Persistent storage option Create New Volume on CloudFerro Cloud](Ephemeral-vs-Persistent-storage-option-Create-New-Volume-on-CloudFerro-Cloud.html.md)
* [How To Attach Volume To Windows VM On CloudFerro Cloud](How-To-Attach-Volume-To-Windows-VM-On-CloudFerro-Cloud.html.md)
* [How To Create Backup Of Your Volume From Windows Machine on CloudFerro Cloud](How-To-Create-Backup-Of-Your-Volume-From-Windows-Machine-on-CloudFerro-Cloud.html.md)
* [How many objects can I put into Object Storage container bucket on CloudFerro Cloud](How-many-objects-can-I-put-into-Object-Storage-container-bucket-on-CloudFerro-Cloud.html.md)
* [How to attach a volume to VM less than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-less-than-2TB-on-Linux-on-CloudFerro-Cloud.html.md)
* [How to attach a volume to VM more than 2TB on Linux on CloudFerro Cloud](How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-CloudFerro-Cloud.html.md)
* [How to create or delete volume snapshot on CloudFerro Cloud](How-to-create-or-delete-volume-snapshot-on-CloudFerro-Cloud.html.md)
* [How to create volume Snapshot and attach as Volume on Linux or Windows on CloudFerro Cloud](How-to-create-volume-Snapshot-and-attach-as-Volume-on-Linux-or-Windows-on-CloudFerro-Cloud.html.md)
* [/etc/exports: the access control list for filesystems which may be exported](How-to-export-a-volume-over-NFS-on-CloudFerro-Cloud.html.md)
* [How to export a volume over NFS outside of a project on CloudFerro Cloud](How-to-export-a-volume-over-NFS-outside-of-a-project-on-CloudFerro-Cloud.html.md)
* [How to extend the volume in Linux on CloudFerro Cloud](How-to-extend-the-volume-in-Linux-on-CloudFerro-Cloud.html.md)
* [How to mount object storage in Linux on CloudFerro Cloud](How-to-mount-object-storage-in-Linux-on-CloudFerro-Cloud.html.md)
* [Projects must be on the same cloud[](#projects-must-be-on-the-same-cloud "Permalink to this headline")](How-to-move-data-volume-between-two-VMs-using-OpenStack-Horizon-on-CloudFerro-Cloud.html.md)
* [How to restore volume from snapshot on CloudFerro Cloud](How-to-restore-volume-from-snapshot-on-CloudFerro-Cloud.html.md)
* [Volume snapshot inheritance and its consequences on CloudFerro Cloud](Volume-snapshot-inheritance-and-its-consequences-on-CloudFerro-Cloud.html.md)