On Tue, Jan 08, 2008 at 07:37:14PM -0500, Miguel Gonzalez Castaños wrote:
>
> Erez Zilber escribió:
> > Hi,
> >
> > I'm running some performance tests with open-iscsi (iops & throughput).
> > With open-iscsi over TCP, I see very low numbers:
> >
> > * iops: READ - 2, WRITE - 13000
> >
Use ifconfig to check the MTU on your eth device
If it is bigger than 1500 than u use jumbo.
You will need to check on the switch as well.
Make sure all the MTU's in your path are the same.
You can also check the mss (MTU-headers)
-Original Message-
From: open-iscsi@googlegroups.com [mai
> 10 MB/sec sounds really poor.
>
> What kind of disk performance do you get locally on the target/server from
> the SATA RAID array? You can try iometer or some other disk benchmarking
> tools.
>
I've downloaded iometer, can you tell me what do I have to test and how?
> What kind of latency
On Wed, Jan 09, 2008 at 06:07:10AM -0500, Miguel Gonzalez Castaños wrote:
>
>
> > 10 MB/sec sounds really poor.
> >
> > What kind of disk performance do you get locally on the target/server from
> > the SATA RAID array? You can try iometer or some other disk benchmarking
> > tools.
> >
> I'
>
> Well, this is your problem. Fix it first.
>
> If you can't get better throughput with FTP/HTTP/CIFS, how could you with
> iSCSI?
>
> Sounds like you're running at 100 Mbit/sec.
>
I'm researching on this matter. I have tested from the machine where
Virtual Server is running using hrping:
On Wed, Jan 09, 2008 at 11:13:26AM -0500, Miguel Gonzalez Castaños wrote:
>
>
> >
> > Well, this is your problem. Fix it first.
> >
> > If you can't get better throughput with FTP/HTTP/CIFS, how could you with
> > iSCSI?
> >
> > Sounds like you're running at 100 Mbit/sec.
> >
> I'm researchi