Tags » Libguestfs

How many disks can you add to a (virtual) Linux machine? (contd)

In my last post I tried to see what happens when you add thousands of virtio-scsi disks to a Linux virtual machine. Above 10,000 disks the qemu command line grew too long for the host to handle. 501 more words

How many disks can you add to a (virtual) Linux machine?

><rescue> ls -l /dev/sd
Display all 4001 possibilities? (y or n)

Just how many virtual hard drives is it practical to add to a Linux VM using qemu/KVM? 621 more words

New in virt-v2v: Import from .vmx files

Virt-v2v converts guests from VMware to KVM, installing any necessary virtio drivers to make the guest work optimally on KVM.

A new feature in virt-v2v 1.37.10 is the ability to… 450 more words

Tip: Run virt-inspector on a compressed disk (with nbdkit)

virt-inspector is a very convenient tool to examine a disk image and find out if it contains an operating system, what applications are installed and so on. 153 more words

virt-rescue fixes

Although libguestfs gives you a nice structured library and tools for manipulating disk images, sometimes you just want to run a few Linux commands like… 343 more words

CentOS 7.3 available in virt-builder

CentOS 7.3 was announced today, and the x86_64 version is available in virt-builder already:

$ virt-builder centos-7.3

Fedora 25 is out, virt-builder images available

$ virt-builder -l | grep fedora-25
fedora-25                x86_64     Fedora® 25 Server
fedora-25                i686       Fedora® 25 Server (i686)
fedora-25                aarch64    Fedora® 25 Server (aarch64)
fedora-25                armv7l     Fedora® 25 Server (armv7l)
fedora-25                ppc64      Fedora® 25 Server (ppc64)
fedora-25                ppc64le    Fedora® 25 Server (ppc64le)
… 51 more words