Den 18 feb. 2017 8:56 fm skrev Gianluca Cecchi <gianluca.cec...@gmail.com>: > > > > On Feb 17, 2017 7:22 PM, "Karli Sjöberg" <karli.sjob...@slu.se> wrote: >> >> >> >> Den 17 feb. 2017 6:30 em skrev Gianluca Cecchi <gianluca.cec...@gmail.com>: >>> >>> Hello, >>> I'm going to setup an environment where I will have 2 hosts and each with 2 >>> adapters to connect to storage domain(s). This will be a test environment, >>> not a production one. >>> The storage domain(s) will be NFS, provided by a Netapp system. >>> The hosts have 4 x 1Gb/s adapters and I think to use 2 for ovirtmgmt and >>> VMs (through bonding and VLANs) and to dedicate the other 2 adapters to the >>> NFS domain connectivity. >>> What would be the best setup to have both HA on the connection and also >>> using the whole 2Gb/s in normal load scenario? >>> Is it better to make more storage domains (and more svm on Netapp side) or >>> only one? >>> What would be the suitable bonding mode to put on adapters? I normally use >>> 802.3ad provided by the switches, but I'm not sure if in this configuration >>> I can use both the network adapters for the overall load of the different >>> VMs that I would have in place... >>> >>> Thanks in advance for every suggestion, >>> >>> Gianluca >> >> >> Hey G! >> >> If it was me doing this, I would make one 4x1Gb/s 802.3ad bond on filer and >> hosts to KISS. Then, if bandwidth is of concern, I would set up two VLANs >> for storage interfaces with addresses on separate subnets (10.0.0.1 and >> 10.0.1.1 on filer. 10.0.0.(2,3) and 10.0.1.(2,3) on hosts) and then on the >> filer set up only two NFS exports where you try to as evenly as possible >> provision your VMs. This way the network load would evenly spread over all >> interfaces for simplest config and best fault tolerance, while keeping >> storage traffic at max 2Gb/s. You only need one SVM with several addresses >> to achieve this. We have our VMWare environment set up similar to this >> towards our NetApp. We also have our oVirt environment set up like this, but >> towards a different NFS storage, with great success. >> >> /K > > > Thanks for your answer, K! > So you mean to make a unique bond composed by all 4 network adapters and put > all the networks on it, comprised ovirtmgmt and such, through clans? > How do you configure 802.3ad on 4 adapters? How many switches do you have to > connect to, from these 4 adapters? Or do you use round robin bonding (but I > presume it is not supported in court this bond)? > Thanks!
Well, in our case, we have two clustered switches from C-company so two NICs in each. And then, yeah, different VLANs for every network on top of the same bond. Works like a charm:) /K
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