[PVE-User] Image format of disc

Martin Maurer martin at proxmox.com
Thu May 20 17:13:01 CEST 2010

> Meanwhile, my question was specifically about performance: ideally, I would
> like to have my KVM systems configured with raw storage backed by an LV,
> and with the 'cache=none' option passed to the kvm binary.

[Martin Maurer] 
Just add the parameter to the disk definition in the following VM config file:


And stop and start.
Br, martin

> That allows the kernel to bypass copies of the data, and the host cache,
> which given that I have allocated almost all memory to the KVM guest, is
> what I actually want to happen.
> Is it possible to tune these fine details along with the gross storage format
> options?
>         Daniel
> --
> ✣ Daniel Pittman            ✉ daniel at rimspace.net            ☎ +61 401 155 707
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