On Jun 17, 2013, at 12:43 PM, Randy S <[email protected]> wrote:
> Thanks Garrett for your answer.
>
> Btw, I was under the impression that nexenta also uses an illumos based
> distro with these nfs versions active as a base for one of their storage
> clusters.
When I left, they had been using a bunch of patches from illumos, applied on
top of onnv_134. Really really stale. They had some local changes, but the
NFS v4.1 code was at that time not deemed ready, and it was "deprioritized".
What may have happened since then, who knows? Originally the update to a
modern illumos was schedule for NexentaStor 4.0, but I think it would be fair
to grant that release the moniker "Duke" -- as in Duke Nukem Forever. :-)
Like DNF, the NexentaStor 4 may someday release, but it will be so far off
schedule that there are few users who remember what the schedule was supposed
to be. :-)
>
> I have just read a thread on the Oi discuss list where somebody succeeded in
> deploying glusterfs I believe. My goal is to achieve redundant / fail-safe
> data storage accross multiple nodes . Now I'm not that familiar with
> GlusterFS but I'm going to read up on that, especially in combination with ZFS
Sure. At one point Ceph was also looking at ZFS as a backing store.
Be aware that cluster filesystems are *not* a silver bullet -- they require
extra planning, and many of them have unfortunate performance or semantic
characteristics. (Usually you have to trade off either performance, or
consistency guarantees.) Shared storage clusters are often simpler to set up,
with more understandable performance characteristics. (They do cost more
though, usually.) Of course, application level redundancy is almost always
better, if your application can support it.
- Garrett
>
> Thanks for your input.
>
> Randy
>
> From: [email protected]
> Date: Mon, 17 Jun 2013 12:25:52 +0400
> To: [email protected]
> Subject: Re: [oi-dev] Nfs 4.1 / pnfs
>
> Vitaliy's work is incomplete, and probably cannot be used without substantial
> effort. I'm not aware of *any* NFS v.1 implementations that operate properly
> on either illumos or Solaris.
>
> - Garrett
>
> On Jun 17, 2013, at 11:09 AM, Randy S <[email protected]> wrote:
>
> Hello all,
>
> I'm looking into the use of nfs 4.1 / pnfs in OI. I have found
> https://bitbucket.org/gusev_vitaliy which is , I believe, an implementation
> of nfs 4.1 in illumos. However, I cannot find any more info on how to go
> about implementing it and or if there are any dependencies to take care of.
>
> Maybe somebody here can push me in the right direction to use nfs4.1 / pnfs
> in OI (or any illumos based distro)
>
> Kind regards,
>
> Randy
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