[Gluster-devel] [Gluster-users] [Gluster-Maintainers] Proposal to change gNFSstatus

Sat Nov 23 02:11:38 UTC 2019

~~Get in a word~~

Hi,  Kaleb Keithley. Could you give some comments on below url ? We 
encounter it in practice.

https://review.gerrithub.io/c/ffilz/nfs-ganesha/+/465149

Thanks

在 2019/11/22 5:14, Kaleb Keithley 写道:
> I personally wouldn't call three years ago — when we started to 
> deprecate it, in glusterfs-3.9 — a recent change.
>
> As a community the decision was made to move to NFS-Ganesha as the 
> preferred NFS solution, but it was agreed to keep the old code in the 
> tree for those who wanted it. There have been plans to drop it from 
> the community packages for most of those three years, but we didn't 
> follow through across the board until fairly recently. Perhaps the 
> most telling piece of data is that it's been gone from the packages in 
> the CentOS Storage SIG in glusterfs-4.0, -4.1, -5, -6, and -7 with no 
> complaints ever, that I can recall.
>
> Ganesha is a preferable solution because it supports NFSv4, NFSv4.1, 
> NFSv4.2, and pNFS, in addition to legacy NFSv3. More importantly, it 
> is actively developed, maintained, and supported, both in the 
> community and commercially. There are several vendors selling it, or 
> support for it; and there are community packages for it for all the 
> same distributions that Gluster packages are available for.
>
> Out in the world, the default these days is NFSv4. Specifically v4.2 
> or v4.1 depending on how recent your linux kernel is. In the linux 
> kernel, client mounts start negotiating for v4.2 and work down to 
> v4.1, v4.0, and only as a last resort v3. NFSv3 client support in the 
> linux kernel largely exists at this point only because of the large 
> number of legacy servers still running that can't do anything higher 
> than v3. The linux NFS developers would drop the v3 support in a 
> heartbeat if they could.
>
> IMO, providing it, and calling it maintained, only encourages people 
> to keep using a dead end solution. Anyone in favor of bringing back 
> NFSv2, SSHv1, or X10R4? No? I didn't think so.
>
> The recent issue[1] where someone built gnfs in glusterfs-7.0 on 
> CentOS7 strongly suggests to me that gnfs is not actually working 
> well. Three years of no maintenance seems to have taken its toll.
>
> Other people are more than welcome to build their own packages from 
> the src.rpms and/or tarballs that are available from gluster — and 
> support them. It's still in the source and there are no plans to 
> remove it. (Unlike most of the other deprecated features which were 
> recently removed in glusterfs-7.)
>
>
>
> [1] https://github.com/gluster/glusterfs/issues/764
>
> On Thu, Nov 21, 2019 at 5:31 AM Amar Tumballi <amarts at gmail.com 
> <mailto:amarts at gmail.com>> wrote:
>
>     Hi All,
>
>     As per the discussion on https://review.gluster.org/23645,
>     recently we changed the status of gNFS (gluster's native NFSv3
>     support) feature to 'Depricated / Orphan' state. (ref:
>     https://github.com/gluster/glusterfs/blob/master/MAINTAINERS#L185..L189).
>     With this email, I am proposing to change the status again to 'Odd
>     Fixes' (ref:
>     https://github.com/gluster/glusterfs/blob/master/MAINTAINERS#L22)
>
>     TL;DR;
>
>     I understand the current maintainers are not able to focus on
>     maintaining it as the focus of the project, as earlier described,
>     is keeping NFS-Ganesha based integration with glusterfs. But, I am
>     volunteering along with Xie Changlong (currently working at
>     Chinamobile), to keep the feature running as it used to in
>     previous versions. Hence the status of 'Odd Fixes'.
>
>     Before sending the patch to make these changes, I am proposing it
>     here now, as gNFS is not even shipped with latest glusterfs-7.0
>     releases. I have heard from some users that it was working great
>     for them with earlier releases, as all they wanted was NFS v3
>     support, and not much of features from gNFS. Also note that, even
>     though the packages are not built, none of the regression tests
>     using gNFS are stopped with latest master, so it is working same
>     from at least last 2 years.
>
>     I request the package maintainers to please add '--with gnfs' (or
>     --enable-gnfs) back to their release script through this email, so
>     those users wanting to use gNFS happily can continue to use it.
>     Also points to users/admins is that, the status is 'Odd Fixes', so
>     don't expect any 'enhancements' on the features provided by gNFS.
>
>     Happy to hear feedback, if any.
>
>     Regards,
>     Amar
>
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