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June 01 2010

finkregh

QCOW2 mounten

Wie oben erwähnt, ist es nicht möglich einfach ein dynamisches QCOW Image im System zu mounten. Ausserdem soll dieses vorgehen erst ab Ubuntu Intrepid 8.10 möglich sein.

modprobe nbd max_part=8

Jetzt wird das gewünschte Image mit einem quemu als Netzwerkdienst gestartet

qemu-nbd --connect=/dev/nbd0 disk.img

Und eingebunden

mount /dev/nbd0p1 /mnt

Weitere Infos unter Mounting qcow2 disk images

linux:kvm [Corvent Dokumentationen]
Tags: kvm mount qcow2

April 13 2010

TechComparison - Linux Virtualization Wiki

This table compares the features and performance of the various virtualization technologies available for Linux. Hopefully this table also explains why many Linux distributions today ship Xen, even though UML,lguest and KVM are upstream.

March 01 2010

Design and Implementation — Sheepdog Project

Sheepdog is a storage system that provides a simple key-value interface to Sheepdog client (qemu block driver) as shown in figure 2-1. Sheepdog is consists of multiple nodes. Right figure in figure 2-1 shows the architecture of a regular cluster file system (SAN file system). Compared with this, Sheepdog does not require a shared storage, and provides key-value interface which is more suitable to implement a scalable system on distributed environment.
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