Re: [ovirt-users] ??: bond mode balance-alb

2014-12-29 Thread Nikolai Sednev
 
> > > 
> [org.ovirt.engine.core.vdsbroker.vdsbroker.ConnectStorageServerVDSCommand] 
> > > (org.ovirt.thread.pool-8-thread-5) [460733dd] FINISH, 
> > > ConnectStorageServerVDSCommand, return: 
> > > {81c0a853-715c-4478-a812-6a74808fc482=477}, log id: 3590969e 
> > > 2014-12-15 13:25:07,615 ERROR 
> > > [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
> > > (org.ovirt.thread.pool-8-thread-5) [460733dd] Correlation ID: null, 
> Call 
> > > Stack: null, Custom Event ID: -1, Message: The error message for 
> connection 
> > > ovirt-engine.siee.local:/var/lib/exports/iso-20140303082312 returned by 
> > > VDSM 
> > > was: Problem while trying to mount target 
> > > 2014-12-15 13:25:07,616 ERROR 
> > > [org.ovirt.engine.core.bll.storage.NFSStorageHelper] 
> > > (org.ovirt.thread.pool-8-thread-5) [460733dd] The connection with 
> details 
> > > ovirt-engine.siee.local:/var/lib/exports/iso-20140303082312 failed 
> because 
> > > of error code 477 and error message is: problem while trying to mount 
> > > target 
> > > 
> > > If any other information is required, please tell me. 
> > 
> > Is the ISO domain on the engine host? 
> > 
> > Please check there iptables and /etc/exports, /etc/exports.d. 
> > 
> > Please post the setup (upgrade) log, check /var/log/ovirt-engine/setup. 
> > 
> > Thanks, 
> > -- 
> > Didi 
> > 
> > ___ 
> > Users mailing list 
> > Users@ovirt.org 
> > http://lists.ovirt.org/mailman/listinfo/users 
> > 
> 
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Message: 2 
Date: Sun, 28 Dec 2014 23:56:58 + 
From: Dan Kenigsberg  
To: Blaster  
Cc: "Users@ovirt.org List"  
Subject: Re: [ovirt-users] ??: bond mode balance-alb 
Message-ID: <20141228235658.ge21...@redhat.com> 
Content-Type: text/plain; charset=us-ascii 

On Fri, Dec 26, 2014 at 12:39:45PM -0600, Blaster wrote: 
> On 12/23/2014 2:55 AM, Dan Kenigsberg wrote: 
> >Bug 1094842 - Bonding modes 0, 5 and 6 should be avoided for VM networks 
> >https://bugzilla.redhat.com/show_bug.cgi?id=1094842#c0 
> 
> Dan, 
> 
> What is bad about these modes that oVirt can't use them? 

I can only quote jpirko's workds from the link above: 

Do not use tlb or alb in bridge, never! It does not work, that's it. The reason 
is it mangles source macs in xmit frames and arps. When it is possible, just 
use mode 4 (lacp). That should be always possible because all enterprise 
switches support that. Generally, for 99% of use cases, you *should* use mode 
4. There is no reason to use other modes. 

> 
> I just tested mode 4, and the LACP with Fedora 20 appears to not be 
> compatible with the LAG mode on my Dell 2824. 
> 
> Would there be any issues with bringing two NICS into the VM and doing 
> balance-alb at the guest level? 
> 
> 
> 


-- 

Message: 3 
Date: Sun, 28 Dec 2014 20:53:44 -0800 
From: "Yue, Cong"  
To: Artyom Lukianov  
Cc: "users@ovirt.org"  
Subject: Re: [ovirt-users] VM failover with ovirt3.5 
Message-ID:  
Content-Type: text/plain; charset="utf-8" 

I checked it again and confirmed there is one guest VM is running on the top of 
this host. The log is as follows: 

[root@compute2-1 vdsm]# ps -ef | grep qemu 
qemu 2983 846 0 Dec19 ? 00:00:00 [supervdsmServer] 
 
root 5489 3053 0 20:49 pts/0 
00:00:00 grep --color=auto qemu 
qemu 26128 1 0 Dec19 ? 01:09:19 /usr/libexec/qemu-kvm 
-name testvm2 -S -machine rhel6.5.0,accel=kvm,usb=off -cpu Nehalem -m 
500 -realtime mlock=off -smp 1,maxcpus=16,sockets=16,cores=1,threads=1 
-uuid e46bca87-4df5-4287-844b-90a26fccef33 -smbios 
type=1,manufacturer=oVirt,product=oVirt 
Node,version=7-0.1406.el7.centos.2.5,serial=4C4C4544-0030-3310-8059-B8C04F585231,uuid=e46bca87-4df5-4287-844b-90a26fccef33
 
-no-user-config -nodefaults -chardev 
socket,id=charmonitor,path=/var/lib/libvirt/qemu/testvm2.monitor,server,nowait 
-mon chardev=charmonitor,id=monitor,mode=control -rtc 
base=2014-12-19T20:18:01,driftfix=slew 
-no-kvm-pit-reinjection 
-no-hpet -no-shutdown -boot strict=on -device 
piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device 
virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4 -device 
virtio-serial-pci,id=virtio-serial0,max_ports=16,bus=pci.0,addr=0x5 
-drive if=none,id=drive-ide0-1-0,readonly=on,format=raw,serial= 
-device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 
-drive 
file=/rhev/data-center/0002-0002-0002-0002-01e4/1dc71096-27c4-4256-b2

[ovirt-users] bond mode balance-alb

2014-12-22 Thread Blaster
I’m looking to setup bonding.  I’m using Dell 2824 switches which support LAG 
(static 802.3ad apparently?) but not LACP (dynamic 802.3ad).  Fedora only seems 
to support Dynamic mode from what I can tell.

The next best choice seems to be balance-alb, but for some reason it’s not 
available as a mode in the drop down.  Any reason why it’s missing?  If I 
select custom and enter balance-alb, is that supported?


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