[Qemu-discuss] virtio-blk and virtio-scsi performance comparison

Hello list! I performed tests with fio and obtained results: *** virtio-scsi with cache=none, io=threads, blok device is md-device from mdadm raid1, random r/w, 32 thread from guest (debian, kernel 3.16): fio fio1 readtest: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32

Re: [Qemu-discuss] Why is QEMU disk geometry limited to 16 heads

Hi again, I think my particular problem is related to this "virtual" geometry returned by SeaBIOS, and which apparently cannot be set directly from command line. My image file is quite small (under 4GB), this size doesn't justify the use of 255 heads. Nevertheless, this value (255 heads) is wri

[Qemu-discuss] Inter-guest communication with Virtio

Hi All, I was wondering if there is an implementation of inter-guest communication using virtio (specially networking), I found that there is an implementation using lguest (lists.ozlabs.org/pipermail/lguest/2008-March/001064.html) but I can not find anything similar in KVM/QEMU) Thank you very m

Re: [Qemu-discuss] Inter-guest communication with Virtio

On 13/04/2015 16:43, Mauricio Vásquez wrote: Hi All, I was wondering if there is an implementation of inter-guest communication using virtio (specially networking), I found that there is an implementation using lguest (lists.ozlabs.org/pipermail/lguest/2008-March/001064.html) but I can not find

[Qemu-discuss] Disk vhost configuration and wwpn

Hi to all, I want to configure a vhost scsi disk for my vm but I have not found any tutorial on how this is possible. My error is about missing wwpn and I could not find any help on how to configure it. Thanks. -- Georgios Koloventzos ++ ΕΣΟ ΕΤΟΙΜΟΣ |