+1 to Andrew's points. I've also been dealing with a bulk of vendors' pain - plugins (Cinder, Neutron) not working properly due to our CentOS being not actually CentOS (kernel+qemu versions).
--- Regards, Dmitriy On Fri, Mar 28, 2014 at 11:22 AM, Andrew Woodward <[email protected]> wrote: > Right now master node has 2.6 kernel, bootstrap has 3.10 and target node >> has an option in settings with 2.6 kernel as default. > > > WHAT? Why is the bootstrap 3.10 already? I already spoke to the issues > that some users have had about this. This should have been discussed on the > ML before making a change like this. > > First off, I'm sorry but making the 3.10 the default kernel for our > "CentOS 6.x" installs inherently makes it NOT CentOS, it becomes Fedora 18. > If we are going to do this, then we might as well switch from CentOS base > to a proper Fedora base. At the same time, making 3.10 the default kernel > impacts vendor support. Vendors that might have supported CentOS 6.x now > wont. I've already been in on a conversation with with a user, and > separately two vendors that are having a hard time using our "CentOS" > because we don't have a stock kernel. This removes support-ability from the > list of reasons to use CentOS, which is one of the core reasons I've seen > organizations select it. > > Second, what is the goal here? > > * if we are trying reduce issues from master -> bootstrap -> target node? > switching kernel around? If this is the case then we really should just > change master and bootstrap to Ubuntu (which I've been considering raising > anyways). > > * If we are trying to reduce the OVS issues (or other old kernel issues), > then the current workup is correct, the user should have to explicitly > choose a kernel that wasn't part of the base distribution, this is > important as is must be their choice and not default to enter into a mode > that reduces their support. > > * If we are trying to get CentOS to a more modern kernel, then we really > just have to wait for CentOS 7 otherwise we are really better off tracking > Fedora instead of CentOS > > Third, this is changing our user story of "No vendor lock-in" to "You're > stuck with Mirantis". We really need to take a step back an evaluate where > we are going. If we want to maintain our on proprietary distro then we need > to stop beating around and do it, and do it well. If we are going to fight > vendor lock-in, then we need to be more cautions about what distro packages > we are modifying and why. We also need to not replace distro packages but > instead maintain a clean distro repos and a MOS repo, this will grant us a > clear line of what we are doing and better allow others to participate > (like bringing in other distros, vendor compatibility, and others) > > > On Fri, Mar 28, 2014 at 5:08 AM, Matthew Mosesohn > <[email protected]>wrote: > >> I propose that since we do kernel-lt 3.10.30 as a default for installs >> and bootstrap, we should default to it for Fuel master node as well. >> I believe we should keep the 2.6.32 kernel around just in case there >> is a regression in using the newer kernel, but maybe we can drop it >> after a release cycle or two if there are no major issues. >> >> The build tiem option I mentioned to you would be to optionally >> generate a bootstrap image with the 2.6.32 kernel during ISO build. It >> isn't likely we will need to build it, but it should be easy to swap >> back if the need arises. >> >> On Fri, Mar 28, 2014 at 4:03 PM, Dmitry Pyzhov <[email protected]> >> wrote: >> > Guys, >> > >> > we have two kernels: default 2.6.32 and kernel-lt 3.10.30. And we have >> three >> > types of CentOS nodes: master node, bootstrap, target node. >> > >> > Right now master node has 2.6 kernel, bootstrap has 3.10 and target >> node has >> > an option in settings with 2.6 kernel as default. >> > >> > There is a suggestion from our team members to use 3.10 kernel >> everywhere >> > and add build-time option for 2.6. >> > >> > Any concerns? >> > >> > -- >> > Mailing list: https://launchpad.net/~fuel-dev >> > Post to : [email protected] >> > Unsubscribe : https://launchpad.net/~fuel-dev >> > More help : https://help.launchpad.net/ListHelp >> > >> >> -- >> Mailing list: https://launchpad.net/~fuel-dev >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~fuel-dev >> More help : https://help.launchpad.net/ListHelp >> > > > > -- > Andrew > Mirantis > Ceph community > > -- > Mailing list: https://launchpad.net/~fuel-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~fuel-dev > More help : https://help.launchpad.net/ListHelp > >
-- Mailing list: https://launchpad.net/~fuel-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~fuel-dev More help : https://help.launchpad.net/ListHelp
