Full Answer
What does xvda mean in Linux?
What does xvda mean? xvd means X en V irtual D isk on a Xen Server. /dev/xvd is the standard name for X en v irtual d isk, by analogy with the hd* in IDE and sd* in SCSI. The first virutal disk is /dev/xvda, which can be partioned into /dev/xvda1 (just as /dev/sda1 is the first partition of the first SCSI or SCSI-like storage device).
What is the meaning of /Dev/xvdal?
I want to know what is the meaning of /dev/xvdal in this? You are on a Xen VPS (or virtual machine); xvd* are simply the Xen disk storage devices (Xen Virtual block Device). They appear instead of sda, etc. when you are using the more efficient paravirtualized Xen disk drivers instead of straight-up SCSI disk emulation.
What is the meaning of/Dev/xvd in Xen server?
xvd means Xen Virtual Disk on a Xen Server. /dev/xvd is the standard name for Xen virtual disk, by analogy with the hd* in IDE and sd* in SCSI. The first virutal disk is /dev/xvda, which can be partioned into /dev/xvda1 (just as /dev/sda1 is the first partition of the first SCSI or SCSI-like storage device).
What does Dev XVDA mean?
xvd means Xen Virtual Disk on a Xen Server. /dev/xvd is the standard name for Xen virtual disk, by analogy with the hd* in IDE and sd* in SCSI. The first virutal disk is /dev/xvda, which can be partioned into /dev/xvda1 (just as /dev/sda1 is the first partition of the first SCSI or SCSI-like storage device).
What is SDA and XVDA?
The /dev/sda device is provided for support of legacy devices and installations that don't understand Xen native virtual disks. The /dev/xvda1 device is the native device and the one you should use. Follow this answer to receive notifications.
What is Dev XVDB?
/dev/xvdb is a disk device, and /dev/xvdb1 is first partition on a xvdb device.
What is Dev sda5?
On my end, /dev/sda is partitioned into three device files. /dev/sda1 is the boot partition that makes the Linux OS easily restart, /dev/sda2 is the extended partition primarily used for user files storage, and /dev/sda5 is the Linux partition where your Linux OS installed files reside.
Is gp3 cheaper than gp2?
gp3 offers SSD-performance at a 20% lower cost per GB than gp2 volumes. Furthermore, by decoupling storage performance from capacity, you can easily provision higher IOPS and throughput without the need to provision additional block storage capacity, thereby improving performance and reducing costs.
What is XVDF?
The xvd in in xvdf stands for Xen Virtual block Device. This is from a question on ask Ubuntu about xvda : You are on a Xen VPS(or virtual machine); xvd* are simply the Xen disk storage devices (Xen Virtual block Device).
How do I find my device name Linux?
Finding the computer name on LinuxOpen a terminal. To open a terminal in Ubuntu, select Applications -> Accessories -> Terminal.Type hostname at the command line. This will print your computer name on the next line.
How do I know if my EBS volume is mounted?
To use a EBS volume attached in the EC2, you need first mount the volume.Connect to your instance using SSH.Use the lsblk command to view your available disk devices and their mount points.
What is XVD in Xen?from askubuntu.com
You are on a Xen VPS (or virtual machine); xvd* are simply the Xen disk storage devices (Xen Virtual block Device). They appear instead of sda, etc. when you are using the more efficient paravirtualized Xen disk drivers instead of straight-up SCSI disk emulation. If you list the installed modules (drivers) on a Xen HVM, ...
Can you use XVDA1 on a PC?from askubuntu.com
In short, treat xvda1 exactly as you would sda1 on a regular PC.
Does Xen apply to KVM?from askubuntu.com
Afaik, that nomenclature is exclusive to Xen and does not apply to KVM, Vbox, VMware, etc. The cloud storage association may just be because Amazon EC2s use Xen :)
What is XVD in Xen?from askubuntu.com
You are on a Xen VPS (or virtual machine); xvd* are simply the Xen disk storage devices (Xen Virtual block Device). They appear instead of sda, etc. when you are using the more efficient paravirtualized Xen disk drivers instead of straight-up SCSI disk emulation. If you list the installed modules (drivers) on a Xen HVM, ...
Can you use XVDA1 on a PC?from askubuntu.com
In short, treat xvda1 exactly as you would sda1 on a regular PC.
Does Xen apply to KVM?from askubuntu.com
Afaik, that nomenclature is exclusive to Xen and does not apply to KVM, Vbox, VMware, etc. The cloud storage association may just be because Amazon EC2s use Xen :)
Root device storage concepts
You can launch an instance from either an instance store-backed AMI or an Amazon EBS-backed AMI. The description of an AMI includes which type of AMI it is; you'll see the root device referred to in some places as either ebs (for Amazon EBS-backed) or instance store (for instance store-backed).
Choose an AMI by root device type
The AMI that you specify when you launch your instance determines the type of root device volume that your instance has. You can view AMIs by root device type using one of the following methods.
Change the root volume to persist
By default, the root volume for an AMI backed by Amazon EBS is deleted when the instance terminates. You can change the default behavior to ensure that the volume persists after the instance terminates. To change the default behavior, set the DeleteOnTermination attribute to false using a block device mapping.
Change the initial size of the root volume
By default, the size of the root volume is determined by the size of the snapshot. You can increase the initial size of the root volume using the block device mapping of the instance as follows.
Available device names
There are two types of virtualization available for Linux instances: paravirtual (PV) and hardware virtual machine (HVM). The virtualization type of an instance is determined by the AMI used to launch the instance. All instance types support HVM AMIs. Some previous generation instance types support PV AMIs.
Device name considerations
Although you can attach your EBS volumes using the device names used to attach instance store volumes, we strongly recommend that you don't because the behavior can be unpredictable.
