[ale] Xen Server adding a virtual disk to a VM
DJ-Pfulio
DJPfulio at jdpfu.com
Fri Oct 14 06:23:17 EDT 2016
fdisk doesn't handle GPT partitions.
Use parted instead.
lsblk
lvs
vgs
pvs
are handy too.
On 10/13/2016 04:32 PM, Ed Cashin wrote:
> In addition to Allen Beddingfield's suggestion, if you want to ask the
> kernel itself, you can do,
>
> cat /proc/partitions
>
> ... to see all the disks and their partitions, and then,
>
> dmesg | less
>
> ... to show what the kernel logged to the console about the disks listed
> in /proc/partitions. These techniques are helpful when commands are
> absent or minimal. Kernel-provided information changes in structure
> less frequently than command-provided information as well.
>
>
> On Thu, Oct 13, 2016 at 4:09 PM, Scott Plante <splante at insightsys.com
> <mailto:splante at insightsys.com>> wrote:
>
> Hi, I actually know how to add a virtual disk to a VM, but once it's
> added, how are you supposed to know the device name so you can
> partition, create a filesystem, and mount it?
>
> I usually do this guessing-game where I do "ls /dev/xvd*" and
> "mount|grep xvd" and try to find what's missing, but this doesn't
> seem like the best way. Can you find out somehow from the xe command?
>
> Scott
>
>
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