Re: [ovirt-users] bonding mode-alb

Hi Demeter, i don't know how the switch setup is done here, but as far as i know they aren't stacked through interconnect. Luca On Fri, Jan 26, 2018 at 1:44 PM, Demeter Tibor <tdemeter(a)itsmart.hu&gt; wrote: > Dear Luca, > > Sorry for the very late reply.. > > I want to try out now your mentions. > Should I make an interconnect the two switches in active/backup mode? > Thanks! > > Tibor > > ----- 2017. dec.. 12., 19:35, Luca 'remix_tj' Lorenzetto > <lorenzetto.luca(a)gmail.com&gt; írta: > > Hi, > > If you're looking at a simple ha bonding setup, why not using active-backup > (mode 1)? > > We're using it in almost all our setups and switches toin backup interface > in 100ms when a link down is detected (Setting miimon=100). > > Doesn't aggregate bandwidth but is a very good solution for high > availability whwn you can't configure lacp or a portchannel on switch side. > > Luca > > > Il 12 dic 2017 7:06 PM, "Demeter Tibor" <tdemeter(a)itsmart.hu&gt; ha scritto: >> >> Hi, >> >> Thanks for the answers. >> >> In this case the only question is: what is better for me? Mode 5 or 6? >> In which modes how is fast the switching? >> >> Until now I've use 802.3ad lacp on our old cluster. I did some tests and >> it was very fast. I know it is not same, but mode 5 or 6 how is safe? >> Thanks >> >> Regards, >> >> Tibor >> >> >> >> ----- 2017. dec.. 11., 13:24, Simone Tiraboschi <stirabos(a)redhat.com&gt; >> írta: >> >> >> >> On Mon, Dec 11, 2017 at 12:53 PM, Demeter Tibor <tdemeter(a)itsmart.hu&gt; >> wrote: >>> >>> Hi, >>> >>> Could help anyone for me in this question? >>> >>> Thanks. >>> >>> R. >>> >>> Tibor >>> >>> >>> >>> ----- 2017. dec.. 6., 14:07, Demeter Tibor <tdemeter(a)itsmart.hu&gt; írta: >>> >>> Dear members, >>> >>> I would like to use two switch to make high-availability network >>> connection for my nfs storage. >>> Unfortunately, these switches does not support 802.3.ad lacp, (really I >>> can't stack them) but I've read about mode-alb and mode-tlb bonding modes. >>> I know,these modes are available in ovirt, but how is work that? Also how >>> is safe? Are there for HA or for load balance? >>> >>> I've read some forums, where does not recommended these modes to use in >>> ovirt. What is the truths? >>> I would like to use only for storage-traffic, it will be separated from >>> other network traffic. I have two 10Gbe switches and two 10Gbe ports in my >>> nodes. >>> >> >> Look here: >> >> https://www.ovirt.org/documentation/admin-guide/chap-Logical_Networks/#bo... >> >> "Important: Modes 1, 2, 3, and 4 support both virtual machine (bridged) >> and non-virtual machine (bridgeless) network types. Modes 0, 5 and 6 support >> non-virtual machine (bridgeless) networks only.¨ >> >> So both tlb (mode 5) or alb (mode 6) are fine only if you use them just >> for the storage access but not for VMs. >> >>> >>> Thanks in advance, >>> >>> R >>> >>> Tibor >>> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users(a)ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users(a)ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >>> >> >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users > > -- "E' assurdo impiegare gli uomini di intelligenza eccellente per fare calcoli che potrebbero essere affidati a chiunque se si usassero delle macchine" Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716) "Internet è la più grande biblioteca del mondo. Ma il problema è che i libri sono tutti sparsi sul pavimento" John Allen Paulos, Matematico (1945-vivente) Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.luca(a)gmail.com&gt;