[ovirt-users] [RFI] oVirt 3.6 Planning

[Itamar Heim]

On 09/17/2014 11:33 AM, Jorick Astrego wrote:
>
> On 09/12/2014 02:22 PM, Itamar Heim wrote:
>> With oVirt 3.5 nearing GA, time to ask for "what do you want to see in
>> oVirt 3.6"?
>>
>> Thanks,
>>    Itamar
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>
> Some "little things":
>
>     nfsv4 support (http://www.ovirt.org/Features/NFSv4)
>

are there specific gaps here still?

>     libgfapi

did not make it iirc, though some progress was made.
allon - is that opt-in, or totally not in codebase?

>
>     drbd support (http://www.ovirt.org/Features/DRBD)
>
>
>     Some concepts from IBM PowerHA look interesting:
>
>         I don't know if the term is correct but we'd like to be able to
>         group vm's together and create dependency's between them.
>         Something like, first start the database vm then the
>         authentication vm and last the webserver vm.

not in 3.6. if still relevant, please ask again in next poll.

>
>         /resource groups
>         (http://www-01.ibm.com/support/knowledgecenter/SSPHQG_7.1.0/com.ibm.powerha.concepts/ha_concepts_cluster_resources.htm)/
>         //Resource groups/allow you to combine related resources into a
>         single logical entity for easier configuration and management.
>         The//PowerHA SystemMirror//software handles the resource group
>         as a unit, thus keeping the interdependent resources together on
>         one node and keeping them highly available./
>         //

vm affinity is supposed to cover some of the above?

>
>           * /Identifying the set of cluster resources that are essential
>             to the operation of an application, and combining those
>             resources into a resource group./
>           * /Defining the resource group policies and attributes that
>             dictate how////PowerHA SystemMirror////manages resources to
>             keep them highly available at different stages of cluster
>             operation (startup, fallover and fallback)./
>
>         /By identifying resources and defining resource group policies,
>         the////PowerHA SystemMirror////software makes numerous cluster
>         configurations possible, providing tremendous flexibility in
>         defining a cluster environment tailored to individual requirements.
>         /
>
>         We would also like to be able to split a cluster between two
>         racks or DC's
>         /linked clusters/
>         /http://www-01.ibm.com/support/knowledgecenter/api/content/SSPHQG_7.1.0/com.ibm.powerha.concepts/ha_concepts_multi_linked.htm/
>         /A linked cluster is ideal for situations where each site is
>         located at a different geographical location. Typically, the
>         sites are far enough apart so that they cannot conveniently
>         share a common storage area network (SAN). Each site must have
>         its own active repository disk, and any backup repositories.
>         Linked clusters always use unicast to communicate between sites.
>         Linked clusters are a useful part of high availability disaster
>         recovery (HADR)./
>
>         We are currently developing a benchmarking system for ovirt and
>         test failover stuff by hand. Something like this would save
>         people a lot of time
>         /Cluster test tool/
>         /http://www-01.ibm.com/support/knowledgecenter/SSPHQG_7.1.0/com.ibm.powerha.concepts/ha_concepts_test_tool.htm/
>
>         /The Cluster Test Tool is a utility that lets you test
>         a////PowerHA® SystemMirror®////cluster configuration to evaluate
>         how a cluster behaves under a set of specified circumstances,
>         such as when a node becomes inaccessible, a network becomes
>         inaccessible, a resource group moves from one node to another,
>         and so forth./
>
>         /You can start the test, let it run unattended, and return later
>         to evaluate the results of your testing./
>
>         /If you want to run an automated suite of basic cluster tests
>         for topology and resource group management, you can run the
>         automated test suite from SMIT. If you are an
>         experienced////PowerHA SystemMirror//administrator and want to
>         tailor cluster testing to your environment, you can also create
>         custom tests that can be run from SMIT./
>
>         /It is recommended to run the tool after you initially
>         configure////PowerHA SystemMirror////and before you put your
>         cluster into a production environment; after you make cluster
>         configuration changes while the cluster is out of service; or at
>         regular intervals even though the cluster appears to be
>         functioning well./

this could be an external utility, rather than core to ovirt?

>
>
>
>
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>