- "Grant McWilliams" wrote:
> I'm replacing my setup with
> three Intel SSDs in a RAID0 with either iSCSI or ATAoE. The RAID0 will
> be synced to a disk based storage as backup. We'll see pretty soon how
> many concurrent disk based operations this setup can handle.
I haven't benchmarked any
> > If all the 40 VMs start copying files at the same time that would mean
> > that the bandwidth share for each VM would be tiny.
>
> Would they? It's a possibility, and fun to think about, but what are the
chances? You will usually run into this with backups, cron, and other
scheduled [non-busin
Pasi Kärkkäinen wrote:
>
> 10 Gbit Ethernet makes sense if you need over 110MB/sec throughput with
> sequential reads/writes with large block sizes.. that's what 1 Gbit ethernet
> can give you.
>
You can also bond 1Ge ports to get higher throughput. Buying an ethernet
switch that supports bon
On Mon, Mar 01, 2010 at 09:34:45PM -0600, Christopher G. Stach II wrote:
> - "Dennis J." wrote:
>
> > What I'm aiming for as a starting point is a 3-4 host cluster with
> > about 10 VMs on each host and a 2 system DRBD based cluster as a
> > redundant storage backend.
>
> That's a good idea.
> Don't waste your money on iSCSI adapters. Just get ones with TOEs.
Just a point of note, if your hypervisor is derived from Linux
(excluding some vendors who may have hacked in support), the TOEs (TCP
Offload Engine) functions are *not* supported in Linux.
--
Drew
"Nothing in life is to be f
- "Dennis J." wrote:
> What I'm aiming for as a starting point is a 3-4 host cluster with
> about 10 VMs on each host and a 2 system DRBD based cluster as a
> redundant storage backend.
That's a good idea.
> The question that bugs me is how I can get enough bandwidth between the
> hosts an
