From owner-freebsd-fs@freebsd.org Wed Sep 9 01:31:43 2015 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7709AA00E51 for ; Wed, 9 Sep 2015 01:31:43 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: from mail-qk0-f182.google.com (mail-qk0-f182.google.com [209.85.220.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3606D1BAA for ; Wed, 9 Sep 2015 01:31:42 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: by qkfq186 with SMTP id q186so52340633qkf.1 for ; Tue, 08 Sep 2015 18:31:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=GhMwpj3mi441jp+SsOrf9fVYsFj2wCVSaH58JcfXfQw=; b=FedXDZhV641SIGCgojGu4pyDxh9DMnvaqJjcRfiaTPG7eiq4NXQtixkvi6cKoGkOWe tOQnA20bqmPCST0II+ipCAsD0yC4ZptqnLZSQxAY/C9DkCKAcLVQw3Jcw9RYFKgawCGN jiMNJtk4+2OOSmQO69wW/zCCCCSAR/JQUWPvaoJpgyMd/Q5fZbb5TibFfmaE1gx4knXG oM5fY8aztVWYUMPpUkzdjV4IP+cxL8MYPEEO3F/o/MoDyNd0Gkd2Y9r3hGFy/GD+ujED d/LLJ9CWyr/vXN56bvQz1lCAETEHUKHRqrtWUtrqiHbDcWqz2I4ASos2x9+/OWOTjs2q 69Ww== X-Gm-Message-State: ALoCoQnD26/mEm4qnrUlwUFxCDJDURa/l6fQYy87a5WdFdWwQ8/ps915jzVaHFTp/Bk8NVsYjHHa X-Received: by 10.55.33.74 with SMTP id h71mr39970593qkh.71.1441762295740; Tue, 08 Sep 2015 18:31:35 -0700 (PDT) Received: from ?IPv6:2600:1017:b417:a4b4:113a:e36f:3d61:2861? ([2600:1017:b417:a4b4:113a:e36f:3d61:2861]) by smtp.gmail.com with ESMTPSA id c109sm2968671qga.16.2015.09.08.18.31.35 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 08 Sep 2015 18:31:35 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (1.0) Subject: Re: CEPH + FreeBSD From: Mark Saad X-Mailer: iPhone Mail (12H321) In-Reply-To: <838814506.1858817.1441577912291.JavaMail.zimbra@uoguelph.ca> Date: Tue, 8 Sep 2015 21:31:34 -0400 Cc: Jordan Hubbard , "freebsd-fs@freebsd.org" , Rakshith Venkatesh Content-Transfer-Encoding: quoted-printable Message-Id: References: <100306673.40344407.1441279047901.JavaMail.zimbra@uoguelph.ca> <1564D4FA-9BE1-4E37-8E91-F14A009D6B62@icloud.com> <838814506.1858817.1441577912291.JavaMail.zimbra@uoguelph.ca> To: Rick Macklem X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2015 01:31:43 -0000 All What about leofs. It's in ports has and s3 obj store and NFS support out o= f the box http://www.freshports.org/databases/leofs/ http://leo-project.net --- Mark Saad | nonesuch@longcount.org > On Sep 6, 2015, at 6:18 PM, Rick Macklem wrote: >=20 > Jordan Hubbard wrote: >>=20 >>> On Sep 3, 2015, at 4:17 AM, Rick Macklem wrote: >>>=20 >>> Slightly off topic but, btw, there is a port of GLusterFS and those folk= s >>> do seem >>> interested in seeing it brought "up to speed". I am not sure how mature i= t >>> is at >>> this point, but it has been known to build on amd64. (I don't have an am= d64 >>> machine, >>> so I haven't gotten around to building/testing it, but I do plan to try a= nd >>> use >>> it as a basis for a pNFS server, if I can figure out how to get the FH i= nfo >>> out of it. >>> I'm working on that;-) >>=20 >> There are at least two distributed (multi-node) object stores for FreeBSD= >> that I know of. >>=20 >> One is glusterfs, for which I=E2=80=99m not even really clear on the stat= us of the >> ports for. I don=E2=80=99t see any glusterfs port in the master branch o= f >> https://github.com/freebsd/freebsd-ports (or >> https://github.com/freebsd/freebsd-ports/tree/branches/2015Q3 for that >> matter). >>=20 >> Our FreeNAS ports tree (https://github.com/freenas/ports), in which we ha= ve a >> bit more latitude to add and curate our own ports, has both a net/gluster= fs >> and sysutils/glusterfs, from separate sources (looks like we need to clea= n >> things up) - net/glusterfs lists craig001@lerwick.hopto.org as the >> MAINTAINER and is at version 3.6.2. The sysutils/glusterfs port lists >> bapt@FreeBSD.org as the MAINTAINER and is at version 20140811. >>=20 >> I=E2=80=99m not really sure about the provenance since we were simply eva= luating >> glusterfs for awhile and may have pulled in interim versions from those >> sources, but obviously it would be best to have an official maintainer an= d >> someone in the FreeBSD project actually curating a glusterfs port so that= >> all users of FreeBSD can use it. It would also be fairly key to your own= >> efforts, assuming you decide to pursue glusterfs as a foundation technolo= gy >> for pNFS. >>=20 >> The other object store, which is pretty mature and is currently leading t= he >> pack (of two :) ) for inclusion into FreeNAS is RiakCS from Basho. There= is >> a port currently in databases/riak but it=E2=80=99s pretty out of date at= version >> 1.4.12 (the current version is 2.0.1, with 2.0 being a major upgrade of >> RiakCS). >>=20 >> We are very interested in investigating various ways of shimming RiakCS t= o >> NFS, using RiakCS a back-end store. Is that something you=E2=80=99d be a= menable to >> discussing? I=E2=80=99d be happy to send you an amd64 architecture mach= ine to >> develop on. :) > Hmm. =46rom a quick look at their web page (I looked once before as well),= I don't > think RiakCS has what I need to do pNFS in a reasonable (for me) amount of= effort. > Two things that glusterFS has that I am hoping to use (and I don't think R= iakCS has > either of these) are: > - A Fuse file system interface which allows the kernel nfsd to access the s= tore as > a file system, so that it can provide the metadata services (NFS without t= he reads/writes). > - A userland NFSv3 server in each node which will allow the node to act as= a data server. >=20 > If I am wrong and RiakCS does support a VFS file system interface (via Fus= e or ???), then > please correct me. With that, it might be a reasonable alternative. > I'll admit I've spent a little time looking at the glusterFS sources and h= aven't yet > solved the problem of how to generate the file handles I need, but that so= unds trivial > compared with an entire Fuse and/or VFS file system interface, I think? >=20 > In general, using a cloud object store to implement a pNFS server is a *mi= s*use of > the technology, imho. I think it may be possible with glusterFS, since tha= t technology > seems to be based on a cluster file system, which is what a pNFS server ca= n also use. >=20 > I think there would be a lot of work involved in mapping a POSIX file syst= em onto the > Riak database and then exporting that via NFS, etc. It might also be more p= ractical to > do this via a userland NFS service than the kernel based one currently in = FreeBSD. > (glusterFS is starting to use the NFS-ganesha server, but I believe it is p= retty Linux specific, > so I doubt it would be useful for Riak running on FreeBSD?) >=20 > rick >=20 >> - Jordan > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"