Mode 2 will do the job the best way for you in case of static LAG supported 
only at the switch's side, I'd advise using of xmit_hash_policy layer3+4, so 
you'll get better distribution for your DC. 


Thanks in advance. 

Best regards, 
Nikolai 
____________________ 
Nikolai Sednev 
Senior Quality Engineer at Compute team 
Red Hat Israel 
34 Jerusalem Road, 
Ra'anana, Israel 43501 

Tel: +972 9 7692043 
Mobile: +972 52 7342734 
Email: [email protected] 
IRC: nsednev 

----- Original Message -----

From: [email protected] 
To: [email protected] 
Sent: Tuesday, December 30, 2014 2:12:58 AM 
Subject: Users Digest, Vol 39, Issue 173 

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Today's Topics: 

1. Re: ??: bond mode balance-alb (Jorick Astrego) 
2. Re: ??: bond mode balance-alb (Jorick Astrego) 
3. HostedEngine Deployment Woes (Mikola Rose) 


---------------------------------------------------------------------- 

Message: 1 
Date: Mon, 29 Dec 2014 20:13:40 +0100 
From: Jorick Astrego <[email protected]> 
To: [email protected] 
Subject: Re: [ovirt-users] ??: bond mode balance-alb 
Message-ID: <[email protected]> 
Content-Type: text/plain; charset="utf-8" 


On 12/29/2014 12:56 AM, Dan Kenigsberg wrote: 
> 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. 
> 
This switch is more of an office switch and only supports part of the 
802.3ad standard: 


PowerConnect* *2824 

Scalable from small workgroups to dense access solutions, the 2824 
offers 24-port flexibility plus two combo small?form?factor 
pluggable (SFP) ports for connecting the switch to other networking 
equipment located beyond the 100 m distance limitations of copper 
cabling. 

Industry-standard link aggregation adhering to IEEE 802.3ad 
standards (static support only, LACP not supported) 


So the only way to have some kind of bonding without buying more 
expensive switches, is using balance-rr (mode=0), balance-xor (mode=2) 
or broadcast (modes=3). 
>> 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? 
>> 
Kind regards, 

Jorick Astrego 



Met vriendelijke groet, With kind regards, 

Jorick Astrego 

Netbulae Virtualization Experts 

---------------- 

Tel: 053 20 30 270 [email protected] Staalsteden 4-3A KvK 08198180 
Fax: 053 20 30 271 www.netbulae.eu 7547 TA Enschede BTW NL821234584B01 

---------------- 

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Message: 2 
Date: Mon, 29 Dec 2014 20:14:55 +0100 
From: Jorick Astrego <[email protected]> 
To: [email protected] 
Subject: Re: [ovirt-users] ??: bond mode balance-alb 
Message-ID: <[email protected]> 
Content-Type: text/plain; charset="utf-8" 


On 12/29/2014 12:56 AM, Dan Kenigsberg wrote: 
> 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 
>> 
Sorry, no mode 0. So only mode 2 or 3 for your environment.... 

Kind regards, 

Jorick 



Met vriendelijke groet, With kind regards, 

Jorick Astrego 

Netbulae Virtualization Experts 

---------------- 

Tel: 053 20 30 270 [email protected] Staalsteden 4-3A KvK 08198180 
Fax: 053 20 30 271 www.netbulae.eu 7547 TA Enschede BTW NL821234584B01 

---------------- 

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------------------------------ 

Message: 3 
Date: Tue, 30 Dec 2014 00:12:52 +0000 
From: Mikola Rose <[email protected]> 
To: "[email protected]" <[email protected]> 
Subject: [ovirt-users] HostedEngine Deployment Woes 
Message-ID: <[email protected]> 
Content-Type: text/plain; charset="us-ascii" 


Hi List Members; 

I have been struggling with deploying oVirt hosted engine I keep running into a 
timeout during the "Misc Configuration" any suggestion on how I can trouble 
shoot this? 

Redhat 2.6.32-504.3.3.el6.x86_64 

Installed Packages 
ovirt-host-deploy.noarch 1.2.5-1.el6ev @rhel-6-server-rhevm-3.4-rpms 
ovirt-host-deploy-java.noarch 1.2.5-1.el6ev @rhel-6-server-rhevm-3.4-rpms 
ovirt-hosted-engine-ha.noarch 1.1.6-3.el6ev @rhel-6-server-rhevm-3.4-rpms 
ovirt-hosted-engine-setup.noarch 1.1.5-1.el6ev @rhel-6-server-rhevm-3.4-rpms 
rhevm-setup-plugin-ovirt-engine.noarch 3.4.4-2.2.el6ev 
@rhel-6-server-rhevm-3.4-rpms 
rhevm-setup-plugin-ovirt-engine-common.noarch 3.4.4-2.2.el6ev 
@rhel-6-server-rhevm-3.4-rpms 


Please confirm installation settings (Yes, No)[No]: Yes 
[ INFO ] Stage: Transaction setup 
[ INFO ] Stage: Misc configuration 
[ INFO ] Stage: Package installation 
[ INFO ] Stage: Misc configuration 
[ INFO ] Configuring libvirt 
[ INFO ] Configuring VDSM 
[ INFO ] Starting vdsmd 
[ INFO ] Waiting for VDSM hardware info 
[ INFO ] Waiting for VDSM hardware info 
[ INFO ] Connecting Storage Domain 
[ INFO ] Connecting Storage Pool 
[ INFO ] Verifying sanlock lockspace initialization 
[ INFO ] sanlock lockspace already initialized 
[ INFO ] sanlock metadata already initialized 
[ INFO ] Creating VM Image 
[ INFO ] Disconnecting Storage Pool 
[ INFO ] Start monitoring domain 
[ ERROR ] Failed to execute stage 'Misc configuration': The read operation 
timed out 
[ INFO ] Stage: Clean up 
[ INFO ] Generating answer file '/etc/ovirt-hosted-engine/answers.conf' 
[ INFO ] Stage: Pre-termination 
[ INFO ] Stage: Termination 



2014-12-29 14:53:41 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.sanlock.lockspace lockspace._misc:133 
Ensuring lease for lockspace hosted-engine, host id 1 is acquired (file: 
/rhev/data-center/mnt/192.168.0.75:_Volumes_Raid1/8094d528-7aa2-4c28-839f-73d7c8bcfebb/ha_agent/hosted-engine.lockspace)
 
2014-12-29 14:53:41 INFO 
otopi.plugins.ovirt_hosted_engine_setup.sanlock.lockspace lockspace._misc:144 
sanlock lockspace already initialized 
2014-12-29 14:53:41 INFO 
otopi.plugins.ovirt_hosted_engine_setup.sanlock.lockspace lockspace._misc:157 
sanlock metadata already initialized 
2014-12-29 14:53:41 DEBUG otopi.context context._executeMethod:138 Stage misc 
METHOD otopi.plugins.ovirt_hosted_engine_setup.vm.image.Plugin._misc 
2014-12-29 14:53:41 INFO otopi.plugins.ovirt_hosted_engine_setup.vm.image 
image._misc:162 Creating VM Image 
2014-12-29 14:53:41 DEBUG otopi.plugins.ovirt_hosted_engine_setup.vm.image 
image._misc:163 createVolume 
2014-12-29 14:53:42 DEBUG otopi.plugins.ovirt_hosted_engine_setup.vm.image 
image._misc:184 Created volume d8e7eed4-c763-4b3d-8a71-35f2d692a73d, request 
was: 
- image: 9043e535-ea94-41f8-98df-6fdbfeb107c3 
- volume: e6a9291d-ac21-4a95-b43c-0d6e552baaa2 
2014-12-29 14:53:42 DEBUG otopi.ovirt_hosted_engine_setup.tasks tasks.wait:48 
Waiting for existing tasks to complete 
2014-12-29 14:53:43 DEBUG otopi.ovirt_hosted_engine_setup.tasks tasks.wait:48 
Waiting for existing tasks to complete 
2014-12-29 14:53:43 DEBUG otopi.context context._executeMethod:138 Stage misc 
METHOD otopi.plugins.ovirt_hosted_engine_setup.vm.boot_disk.Plugin._misc 
2014-12-29 14:53:43 DEBUG otopi.context context._executeMethod:144 condition 
False 
2014-12-29 14:53:43 DEBUG otopi.context context._executeMethod:138 Stage misc 
METHOD 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage.Plugin._disconnect_pool 
2014-12-29 14:53:43 INFO 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage 
storage._disconnect_pool:971 Disconnecting Storage Pool 
2014-12-29 14:53:43 DEBUG otopi.ovirt_hosted_engine_setup.tasks tasks.wait:48 
Waiting for existing tasks to complete 
2014-12-29 14:53:43 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage storage._spmStop:602 
spmStop 
2014-12-29 14:53:43 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage storage._spmStop:611 
2014-12-29 14:53:43 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage 
storage._storagePoolConnection:573 disconnectStoragePool 
2014-12-29 14:53:45 INFO 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage 
storage._disconnect_pool:975 Start monitoring domain 
2014-12-29 14:53:45 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage 
storage._startMonitoringDomain:529 _startMonitoringDomain 
2014-12-29 14:53:46 DEBUG 
otopi.plugins.ovirt_hosted_engine_setup.storage.storage 
storage._startMonitoringDomain:534 {'status': {'message': 'OK', 'code': 0}} 
2014-12-29 14:53:51 DEBUG otopi.ovirt_hosted_engine_setup.tasks tasks.wait:127 
Waiting for domain monitor 
2014-12-29 14:54:51 DEBUG otopi.context context._executeMethod:152 method 
exception 
Traceback (most recent call last): 
File "/usr/lib/python2.6/site-packages/otopi/context.py", line 142, in 
_executeMethod 
method['method']() 
File 
"/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/storage/storage.py",
 line 976, in _disconnect_pool 
self._startMonitoringDomain() 
File 
"/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/storage/storage.py",
 line 539, in _startMonitoringDomain 
waiter.wait(self.environment[ohostedcons.StorageEnv.SD_UUID]) 
File "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_setup/tasks.py", 
line 128, in wait 
response = serv.s.getVdsStats() 
File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__ 
return self.__send(self.__name, args) 
File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request 
verbose=self.__verbose 
File "/usr/lib64/python2.6/xmlrpclib.py", line 1237, in request 
errcode, errmsg, headers = h.getreply() 
File "/usr/lib64/python2.6/httplib.py", line 1064, in getreply 
response = self._conn.getresponse() 
File "/usr/lib64/python2.6/httplib.py", line 990, in getresponse 
response.begin() 
File "/usr/lib64/python2.6/httplib.py", line 391, in begin 
version, status, reason = self._read_status() 
File "/usr/lib64/python2.6/httplib.py", line 349, in _read_status 
line = self.fp.readline() 
File "/usr/lib64/python2.6/socket.py", line 433, in readline 
data = recv(1) 
File "/usr/lib64/python2.6/ssl.py", line 215, in recv 
return self.read(buflen) 
File "/usr/lib64/python2.6/ssl.py", line 136, in read 
return self._sslobj.read(len) 
SSLError: The read operation timed out 




var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20141229145137-g8d2or.log
 
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