On Tue, 11 Apr 2023 07:54:04 +1000 "NeilBrown" <neilb@xxxxxxx> wrote: > On Tue, 11 Apr 2023, Jes Sorensen wrote: > > Hi, > > > > I bumped the minimum kernel version required for mdadm to 2.6.32. > > > > Should we drop support for anything prior to 3.10 at this point, since > > RHEL7 is 3.10 based and SLES12 seems to be 3.12 based. > > > > Thoughts? > > When you talk about changing the required kernel version, I would find > it helpful if you at least mention what actual kernel features you now > want to depend on - at least the more significant ones. > > Aside from features, I'd rather think about how old the kernel is. > 2.6.32 is over 13 years old. > 3.10 is very nearly 10 years old. > If there is something significant that landed in 3.10 that we want to > depend on, then requiring that seems perfectly reasonable. > > I think the oldest SLE kernel that you might care about would be 4.12 > (SLE12-SP5 - nearly 6 years old). Anyone using an older SLE release > values stability over new functionality and is not going to be trialling > a new mdadm. > > Thanks, > NeilBrown Agree with Neil. I have no strong recommendation. I'm not aware significant feature that landed recently. I think that any kernel released around 5 ago will be applicable. Thanks, Marusz
