Re: [Xen-users] DomU to DomU throughput issue

To:	Pasi Kärkkäinen <pasik@xxxxxx>
Subject:	Re: [Xen-users] DomU to DomU throughput issue
From:	Fasiha Ashraf <feehapk@xxxxxxxxxxx>
Date:	Thu, 17 Sep 2009 12:22:59 +0530 (IST)
Cc:	xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Wed, 16 Sep 2009 23:53:49 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.in; s=s1024; t=1253170379; bh=cRaLJNtUn9KVjRCXndgOh+VQvTi1BwgjdeK56rMtQHw=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=tfshH31PA8i2yv8iOi8c7VcuZ6oZVA8ttpQVoh1aw98RX7KoJ8bMvst+NGhLVMXJWUHEo/jmaC4aLaSea4q8EGk+K1Lf8UGVqLHrNRlpKlPOH8bBWXbZGl16ZJlhHcCsn60s/b2yeyOhPpFeY8SIXM1glHeRS7NKtg2QK21h6Zg=
Domainkey-signature:	a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.in; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=KqASwE6z3PEa2OFOfqR4Sfd4/m3KT+V/6KodQ+8UYwFhDkkPJ2lzETs/zVIwDLMwLRfxnUft94tShowpIcUiloTxfbvHHrCjZecSXvTiF82gQ126cKW1ZnZ+4ozfjB+qVfZ7WV6t6QeWGjvfdRIxeVH6PtfaqLphgW/xxN8Em8Q=;
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<20090916095516.GA31123@xxxxxxxxxxx>
List-help:	<mailto:xen-users-request@lists.xensource.com?subject=help>
List-id:	Xen user discussion <xen-users.lists.xensource.com>
List-post:	<mailto:xen-users@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-users-bounces@xxxxxxxxxxxxxxxxxxx

- Is domU <-> dom0 slow aswell?
No its working well the throughput is around 2000 to 3000 Mbps in this case
- Is domU <-> internet slow?
No, Its working well.

- Do you have errors on domU ethX interfaces?
No such errors seen.
- Do you have errors no dom0 interfaces (pethx, all bridges, all vifs).
No, errors
- Does domU or dom0 have high CPU-usage? What does "top" show in dom0,
and in domU?
To the max 10 to 20% while running netperf
- What does "xm top" say about CPU usage?
cpu usage 10 to 20%
- Do you have errors in the logs? Please check
    - dom0 dmesg
NO such messages
    - dom0 /var/log/messages
No messages else this

Sep 14 14:37:09 HPCNL-SR-2 kernel: vif1.0 (vif): not using net_device_ops yet

Sep 14 14:37:09 HPCNL-SR-2 NetworkManager: nm_device_ethernet_new: assertion `driver != NULL' failed

Sep 14 14:37:10 HPCNL-SR-2 kernel: device vif1.0 entered promiscuous mode

Sep 14 14:37:10 HPCNL-SR-2 kernel: eth0: topology change detected, propagating

Sep 14 14:37:10 HPCNL-SR-2 kernel: eth0: port 2(vif1.0) entering forwarding state

Sep 14 14:37:10 HPCNL-SR-2 logger: /etc/xen/scripts/vif-bridge: iptables setup failed. This may affect guest networking.

Sep 14 14:37:11 HPCNL-SR-2 avahi-daemon[1439]: Registering new address record for fe80::fcff:ffff:feff:ffff on vif1.0.*.

Sep 14 14:37:11 HPCNL-SR-2 kernel: blkback: ring-ref 8, event-channel 9, protocol 1 (x86_32-abi)

Sep 14 14:37:14 HPCNL-SR-2 nm-system-settings: Added default wired connection 'Auto vif1.0' for /org/freedesktop/Hal/devices/net_fe_ff_ff_ff_ff_ff
    - Xen log: "xm log"
    - Xen dmesg: "xm dmesg"
    - domU dmesg
    - domU /var/log/messaegs

What does that mean. I am trying all the other logs as well. thanks for your concern.

Regards,
Fasiha

Yahoo! India has a new look. Take a sneak peek.

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

WARNING - OLD ARCHIVES

xen-users

Re: [Xen-users] DomU to DomU throughput issue