Hi,
Our fio tests against qemu-kvm on RBD look quite promising, details here:
https://docs.google.com/spreadsheet/ccc?key=0AoB4ekP8AM3RdGlDaHhoSV81MDhUS25EUVZxdmN6WHcusp=drive_web#gid=0
tl;dr: rbd with caching enabled is (1) at least 2x faster than the
local instance storage, and (2) reaches the
Hello,
On Fri, 20 Dec 2013 09:20:48 +0100 Dan van der Ster wrote:
Hi,
Our fio tests against qemu-kvm on RBD look quite promising, details here:
https://docs.google.com/spreadsheet/ccc?key=0AoB4ekP8AM3RdGlDaHhoSV81MDhUS25EUVZxdmN6WHcusp=drive_web#gid=0
That data is very interesting and
- Original Message -
From: Wido den Hollander w...@42on.com
To: ceph-users@lists.ceph.com
Sent: Friday, December 20, 2013 8:04:09 AM
Subject: Re: [ceph-users] Storing VM Images on CEPH with RBD-QEMU driver
Hi,
Hi,
I'm testing CEPH with the RBD/QEMU driver through libvirt to store
On Fri, Dec 20, 2013 at 9:44 AM, Christian Balzer ch...@gol.com wrote:
Hello,
On Fri, 20 Dec 2013 09:20:48 +0100 Dan van der Ster wrote:
Hi,
Our fio tests against qemu-kvm on RBD look quite promising, details here:
Hello Dan,
On Fri, 20 Dec 2013 14:01:04 +0100 Dan van der Ster wrote:
On Fri, Dec 20, 2013 at 9:44 AM, Christian Balzer ch...@gol.com wrote:
Hello,
On Fri, 20 Dec 2013 09:20:48 +0100 Dan van der Ster wrote:
Hi,
Our fio tests against qemu-kvm on RBD look quite promising, details
fio --size=100m --ioengine=libaio --invalidate=1 --direct=1
--numjobs=10 --rw=read --name=fiojob --blocksize_range=4K-512k
--iodepth=16
Since size=100m so reads would be entirely cached and, if hypervisor is
write-back, potentially many writes would never make it to the cluster
as well?
On Fri, Dec 20, 2013 at 6:19 PM, James Pearce ja...@peacon.co.uk wrote:
fio --size=100m --ioengine=libaio --invalidate=1 --direct=1 --numjobs=10
--rw=read --name=fiojob --blocksize_range=4K-512k --iodepth=16
Since size=100m so reads would be entirely cached
--invalidate=1 drops the cache,
On 12/19/2013 04:00 PM, Peder Jansson wrote:
Hi,
I'm testing CEPH with the RBD/QEMU driver through libvirt to store my VM
images on. Installation and configuration all went very well with the
ceph-deploy tool. I have set up authx authentication in libvirt and that
works like a charm too.
