[Opensim-dev] oddities with asset storage

Fri Feb 20 02:44:32 UTC 2009

I'm using Project-Voldemort(.com) for the new osgrid server - it can be cross compiled into C# via IKVM and works just fine. It's newish, but it's got some very nice promising features and it's pretty damn fast.

Adam

> -----Original Message-----
> From: opensim-dev-bounces at lists.berlios.de [mailto:opensim-dev-
> bounces at lists.berlios.de] On Behalf Of Kyle Hamilton
> Sent: Thursday, 19 February 2009 2:36 PM
> To: opensim-dev at lists.berlios.de
> Subject: Re: [Opensim-dev] oddities with asset storage
>
> Aside from the fact that it's GPL?
>
> -Kyle H
>
> On Thu, Feb 19, 2009 at 1:29 AM, Eugen Leitl <eugen at leitl.org> wrote:
> > On Thu, Feb 19, 2009 at 10:24:40AM +0100, Dirk Krause wrote:
> >> As soon as you buy it, the asset gets copied to your regions asset
> repository (if it is something that persists while you are not online,
> like a house maybe) and it goes into your personal repository when it's
> an attachement (like clothing).
> >
> > Speaking about asset repository, Tahoe v1.3 has recently been
> released
> > (see below). Are there any show-stoppers against using Tahoe for
> asset
> > storage?
> >
> >
> http://allmydata.org/trac/tahoe/browser/relnotes.txt?rev=20090214000500
> -92b7f-26d07f519c69a3e086ee4599620f6d2c0c9b2fcd
> >
> > ANNOUNCING allmydata.org "Tahoe", the Least-Authority Filesystem,
> v1.3
> >
> > We are pleased to announce the release of version 1.3.0 of "Tahoe",
> the
> > Least Authority Filesystem.
> >
> > Tahoe-LAFS is a secure, decentralized, fault-tolerant filesystem.
> All
> > of the source code is available under a choice of two Free Software,
> > Open Source licences.
> >
> > This filesystem is encrypted and distributed over multiple peers in
> > such a way it continues to function even when some of the peers are
> > unavailable, malfunctioning, or malicious.
> >
> > Here is the one-page explanation of the security and fault-tolerance
> > properties that it offers:
> >
> > http://allmydata.org/source/tahoe/trunk/docs/about.html
> >
> > This is the successor to v1.2, which was released July 21, 2008 [1].
> > This is a major new release, adding a repairer, an efficient backup
> > command, support for large files, an (S)FTP server, and much more.
> >
> > See the NEWS file [2] and the known_issues.txt file [3] for more
> > information.
> >
> > In addition to the many new features of Tahoe itself, a crop of
> related
> > projects have sprung up, including Tahoe frontends for Windows and
> > Macintosh, two front-ends written in JavaScript, a Tahoe plugin for
> > duplicity, a Tahoe plugin for TiddlyWiki, a project to create a new
> > backup tool, CIFS/SMB integration, an iPhone app, and three
> incomplete
> > Tahoe frontends for FUSE. See Related Projects on the wiki: [4].
> >
> >
> > COMPATIBILITY
> >
> > The version 1 branch of Tahoe is the basis of the consumer backup
> > product from Allmydata, Inc. -- http://allmydata.com .
> >
> > Tahoe v1.3 is fully compatible with the version 1 branch of Tahoe.
> > Files written by v1.3 clients can be read by clients of all versions
> > back to v1.0 unless the file is too large -- files greater than about
> > 12 GiB (depending on the configuration) can't be read by older
> clients.
> > v1.3 clients can read files produced by clients of all versions since
> > v1.0.  v1.3 servers can serve clients of all versions back to v1.0
> and
> > v1.3 clients can use servers of all versions back to v1.0 (but can't
> > upload large files to them).
> >
> > This is the fourth release in the version 1 series.  We believe that
> > this version of Tahoe is stable enough to rely on as a permanent
> store
> > of valuable data.  The version 1 branch of Tahoe will be actively
> > supported and maintained for the forseeable future, and future
> versions
> > of Tahoe will retain the ability to read files and directories
> produced
> > by Tahoe v1 for the forseeable future.
> >
> >
> > WHAT IS IT GOOD FOR?
> >
> > With Tahoe, you can distribute your filesystem across a set of
> > computers, such that if some of the computers fail or turn out to be
> > malicious, the entire filesystem continues to be available, thanks to
> > the remaining computers.  You can also share your files with other
> > users, using a simple and flexible access control scheme.
> >
> > Because this software is new, we do not categorically recommend it as
> > the sole repository of data which is extremely confidential or
> > precious.  However, we believe that erasure coding, strong
> encryption,
> > Free/Open Source Software and careful engineering make Tahoe safer
> than
> > common alternatives, such as RAID, removable drive, tape, or "on-line
> > storage" or "Cloud storage" systems.
> >
> > This software comes with extensive unit tests [5], and there are no
> > known security flaws which would compromise confidentiality or data
> > integrity.  (For all currently known issues please see the
> > known_issues.txt file [2].)
> >
> > This release of Tahoe is suitable for the "friendnet" use case [6] --
> > it is easy to create a filesystem spread over the computers of you
> and
> > your friends so that you can share disk space and files.
> >
> >
> > LICENCE
> >
> > You may use this package under the GNU General Public License,
> version
> > 2 or, at your option, any later version.  See the file "COPYING.GPL"
> > [7] for the terms of the GNU General Public License, version 2.
> >
> > You may use this package under the Transitive Grace Period Public
> > Licence, version 1.0.  The Transitive Grace Period Public Licence has
> > requirements similar to the GPL except that it allows you to wait for
> > up to twelve months after you redistribute a derived work before
> > releasing the source code of your derived work. See the file
> > "COPYING.TGPPL.html" [8] for the terms of the Transitive Grace Period
> > Public Licence, version 1.0.
> >
> > (You may choose to use this package under the terms of either
> licence,
> > at your option.)
> >
> >
> > INSTALLATION
> >
> > Tahoe works on Linux, Mac OS X, Windows, Cygwin, and Solaris, and
> > probably most other systems.  Start with "docs/install.html" [9].
> >
> >
> > HACKING AND COMMUNITY
> >
> > Please join us on the mailing list [10].  Patches that extend and
> > improve Tahoe are gratefully accepted -- the RoadMap page [11] shows
> > the next improvements that we plan to make and CREDITS [12] lists the
> > names of people who've contributed to the project.  The wiki Dev page
> > [13] contains resources for hackers.
> >
> >
> > SPONSORSHIP
> >
> > Tahoe is sponsored by Allmydata, Inc. [14], a provider of commercial
> > backup services.  Allmydata, Inc. created the Tahoe project, and
> > contributes hardware, software, ideas, bug reports, suggestions,
> > demands, and money (employing several Tahoe hackers and instructing
> > them to spend part of their work time on this Free Software project).
> > Also they award customized t-shirts to hackers who find security
> flaws
> > in Tahoe (see http://hacktahoe.org ).  Thank you to Allmydata, Inc.
> for
> > their generous and public-spirited support.
> >
> >
> > Zooko Wilcox-O'Hearn
> > on behalf of the allmydata.org team
> >
> > Special acknowledgment goes to Brian Warner, whose superb engineering
> > skills and dedication are primarily responsible for the Tahoe
> > implementation, and largely responsible for the Tahoe design as well,
> > not to mention most of the docs and many other things besides.
> >
> > February 13, 2009
> > Boulder, Colorado, USA
> >
> > [1] http://allmydata.org/trac/tahoe/browser/relnotes.txt?rev=2789
> > [2] http://allmydata.org/trac/tahoe/browser/NEWS
> > [3] http://allmydata.org/trac/tahoe/browser/docs/known_issues.txt
> > [4] http://allmydata.org/trac/tahoe/wiki/RelatedProjects
> > [5] http://allmydata.org/trac/tahoe/wiki/Dev
> > [6] http://allmydata.org/trac/tahoe/wiki/UseCases
> > [7] http://allmydata.org/trac/tahoe/browser/COPYING.GPL
> > [8] http://allmydata.org/source/tahoe/trunk/COPYING.TGPPL.html
> > [9] http://allmydata.org/source/tahoe/trunk/docs/install.html
> > [10] http://allmydata.org/cgi-bin/mailman/listinfo/tahoe-dev
> > [11] http://allmydata.org/trac/tahoe/roadmap
> > [12] http://allmydata.org/trac/tahoe/browser/CREDITS?rev=2677
> > [13] http://allmydata.org/trac/tahoe/wiki/Dev
> > [14] http://allmydata.com
> >
> > --
> > Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
> > ______________________________________________________________
> > ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
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