[CentOS-devel] No Storage SIG Meeting 6-March-2015 15:30 UTC (Moving it to next week)

[Justin Clift]

On 18 Apr 2015, at 10:39, Bart Van Assche <bart.vanassche at sandisk.com> wrote:
> On 03/11/15 18:01, Justin Clift wrote:
>> On 10 Mar 2015, at 11:09, Bart Van Assche <bart.vanassche at sandisk.com> wrote:
>>> Hello,
>>> 
>>> Sorry but I will not be able to attend this meeting because at that time I will be on a plane. But I have been thinking further about how to provide SCST RPMs for CentOS. How about using the approach documented on http://wiki.centos.org/HowTos/BuildingKernelModules (weak updates) and taking the risk that the IB drivers may break if an update introduces an RDMA ABI change ?
>> 
>> The "take a risk X might break" bit doesn't really sound suitable
>> for the CentOS audience.
>> 
>> That being said... how often does the RDMA ABI change?  If it's
>> once every X years, then it might be live-able (with sufficient
>> catches/warning so users aren't affected).
> 
> (back from traveling - sorry for the delay in replying)
> 
> Hello Justin,
> 
> So far I have only seen the RDMA ABI change between RHEL releases (e.g. from 7.0 to 7.1) but not yet due to a kernel update. Which of course is no guarantee that a change of the RDMA API will never happen in the future between kernel releases ...

Hmmmm... in general RHEL has an attitude of "don't change ABI in
updates", but RDMA may or may not have different assumptions.  I
have no idea. ;)

Doug (just added to this email chain) likely knows though.

Doug?

+ Justin

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