On Thu, 2009-09-17 at 17:02 -0400, erik quanstrom wrote:
... In case anyone is wondering what they could be doing instead of feeding
this massive thread more fatty foods.
there's lots of complaining on the list about the
content of the list.
it's not like there aren't good meaty issues
On Thu, 2009-09-03 at 17:32 +0200, Uriel wrote:
So libthread must be a figment of 9fan's imagination...
Of course, for Apple (or anyone else) to learn from Plan 9 would be
impossible, so instead they had to add a new 'feature' to C.
Plan 9 has a lot to offer and a lot for others to learn
On Thu, 2009-09-03 at 08:44 -0700, David Leimbach wrote:
The blocks aren't interesting at all by themselves, I totally agree
with that. However what they do to let you write a function inline,
that can be pushed to another function, to be executed on a concurrent
FIFO, is where the real
On Thu, 2009-09-03 at 11:54 -0400, erik quanstrom wrote:
Plan 9 has a lot to offer and a lot for others to learn from. Concurrency
framework that could scale up to 1K [virtual]cores in an SMP
configuration is not one of those features though.
forgive the ignorance, but is there any such
On Thu, 2009-09-03 at 15:36 -0400, erik quanstrom wrote:
Apple's using it all over the place in Snow Leopard, in all their native
apps to write cleaner, less manual-lock code. At least, that's the
claim
:-).
could someone explain this to me? i'm just missing how
naming
On Thu, 2009-09-03 at 17:35 -0400, erik quanstrom wrote:
On Thu Sep 3 17:09:01 EDT 2009, r...@sun.com wrote:
Anything can be done using regular C and threads. The trick here
is to make everything *scalable* and *painless* enough so that
mere mortals can start benefiting from parallelism in
None of those technologies [NFS, iSCSI, FC] scales as cheaply,
reliably, goes as big, nor can be managed as easily as stand-alone pods
with their own IP address waiting for requests on HTTPS.
http://blog.backblaze.com/2009/09/01/petabytes-on-a-budget-how-to-build-cheap-cloud-storage/
Apart
On Thu, 2009-09-03 at 12:44 -0400, erik quanstrom wrote:
On Thu Sep 3 12:20:09 EDT 2009, r...@sun.com wrote:
On Thu, 2009-09-03 at 11:54 -0400, erik quanstrom wrote:
Plan 9 has a lot to offer and a lot for others to learn from.
Concurrency
framework that could scale up to 1K
On Wed, 2009-09-02 at 10:04 +0200, Anant Narayanan wrote:
Mac OS 10.6 introduced a new C compiler frontend (clang), which added
support for blocks in C [1]. Blocks basically add closures and
anonymous functions to C (and it's derivatives).
They are NOT closures in my book. They lack
On Wed, 2009-09-02 at 08:07 -0700, David Leimbach wrote:
Has anyone actually looked at the spec
Yes. Well, I know I did ;-)
I've actually looked at these, and used em a little bit. They're not
at all as bad as I once thought they could be, and the reason they're
there is to work with a
On Wed, 2009-09-02 at 12:11 -0700, Brian L. Stuart wrote:
Q: Will C continue to be important into the future?
(Dave Kirk, Nvidia)A: No, I think C will die like
Fortran has
let me explain the joke. In HPC circles, people have been
predicting
the death of fortran for 30 years.
On Fri, 2009-08-28 at 16:11 -0400, Devon H. O'Dell wrote:
2009/8/28 Eric Van Hensbergen eri...@gmail.com:
Satelite conference locations in Antwerp and Oz may be be a bad idea
assuming folks can accomodate crazy time differences.
Not a bad idea, does anyone on the else pc have A/V
On Thu, 2009-08-27 at 10:24 -0700, Skip Tavakkolian wrote:
because there can only be one outstanding request -- with continuous polling.
Unless I misunderstood you, this is not quite true. You can have
as many outstanding requests as you have XMLHTTPRequest objects.
And, of course, you can do
Datewise this looks like a pretty good potential for continuation
of the IWP9 '09 ;-)
Thanks,
Roman.
---BeginMessage---
Hello everyone,
We have confirmed that we'll hold our annual mentor summit on the 24
25 October this year at the Googleplex in Mountain View, California.
Assume we will also
On Fri, 2009-08-14 at 09:16 +, Pavel Klinkovsky wrote:
Speaking of which (or may be not ;-)) is there anybody using Lua
on Plan9?
I am playing with Lua on my Plan9 computer...
What do you use it for? Any kind of fun projects? My idea is to try
and see whether Plan9+Lua would be a more
On Fri, 2009-08-14 at 09:27 +0100, Robert Raschke wrote:
Last time I tried, the standard Lua compiled out of the box under the
APE.
That is good to know. Still, I'd rather see it run without APE.
Great little language. I use it in my day job (together with Erlang).
*together* with
On Fri, 2009-08-14 at 10:49 -0600, Daniel Lyons wrote:
On Aug 14, 2009, at 3:15 AM, Aaron W. Hsu wrote:
On Thu, 13 Aug 2009 13:58:39 -0400, Daniel Lyons fus...@storytotell.org
wrote:
I'd love it if Acme or Plan 9 had good support for some kind of
Lisp variant.
Maybe that
On Thu, 2009-08-13 at 09:42 +0100, roger peppe wrote:
2009/8/13 Roman Shaposhnik r...@sun.com:
Am I totally missing something or hasn't been the binary RPC
of that style been dead ever since SUNRPC? Hasn't the eulogy
been delivered by CORBA? Haven't folks realized that S-exprs
are really
On Wed, 2009-08-12 at 17:36 +0200, hiro wrote:
This sounds like exactly the kind of thing one wants
from an audio driver for playback. For recording things
get slightly more complicated.
What exactly do you mean?
Now that I understand what Tim is trying to do my original
concern makes no
On Thu, 2009-08-13 at 11:55 -0600, Daniel Lyons wrote:
I'd love it if Acme or Plan 9 had good support for some kind of Lisp
variant.
Speaking of which (or may be not ;-)) is there anybody using Lua
on Plan9?
Thanks,
Roman.
P.S. The more I look into Lua (as a way to help C refuge start
doing
On Mon, 2009-08-03 at 19:56 -0700, ron minnich wrote:
2. do we have anybody successfully managing that much storage that is
also spread across the nodes? And if so, what's the best practices
out there to make the client not worry about where does the storage
actually come from
On Tue, 2009-08-04 at 10:55 +0100, C H Forsyth wrote:
they emphatically don't go for posix semantics...
what are posix semantics?
I'll bite:
http://www.opengroup.org/onlinepubs/009695399/
[ anything else that would take an FD as an argument ]
On Tue, 2009-08-04 at 09:43 +0100, Steve Simon wrote:
Well, with Linux, at least you have a benefit of a gazillions of FS
clients being available either natively or via FUSE.
Do you have a link to a site which lists interesting FUSE filesystems,
I am definitely not trying to troll, I am
On Mon, 2009-08-03 at 21:23 -1000, Tim Newsham wrote:
2. do we have anybody successfully managing that much storage that is
also spread across the nodes? And if so, what's the best practices
out there to make the client not worry about where does the storage
actually come from
On Tue, 2009-08-04 at 19:33 -0400, erik quanstrom wrote:
Steve, can you list the total configuration of this machine... motherboard
model etc? This sounds a lot like what I was thinking of building for home.
I also would like to try Erik's new ISO, but sadly, haven't had a lot of
free
I've just realized that in 9P the wstat would refuse
to rename an entry if a target name already exists.
So how can I atomically replace one file with another
one, so that during the operation clients opening
it would not fail?
In POSIX rename gives you such an atomicity:
On Sat, 2009-08-01 at 08:47 -0700, ron minnich wrote:
What are their requirements as
far as POSIX is concerned?
10,000 machines, working on a single app, must have access to a common
file store with full posix semantics and it all has to work like it
were one machine (their desktop, of
This is sort of off-topic, but does anybody have any experience with
Ceph?
http://ceph.newdream.net/
Good or bad war stories (and general thoughts) would be quite welcome.
Thanks,
Roman.
On Mon, 2009-07-20 at 01:21 -0400, erik quanstrom wrote:
one last kick of a dead horse: see that's exactly what I'm
talking about -- all these exceptions and for what? I'm
pretty sure if we change the devpipe today not to send
a note nobody would even notice...
since you're confident
On Mon, 2009-07-20 at 10:53 +0100, Charles Forsyth wrote:
pipe would return -1 (and set a error condition) and the
applications were paying attention (and I'm pretty sure all
applications on Plan 9 would do a reasonable thing when
presented with -1 from a write).
they only notice when the
On Mon, 2009-07-20 at 10:52 +0100, Charles Forsyth wrote:
you don't really want to get write error printed from every
process in a pipe line such as
As much as I thought that could be an issue, I could NOT actually
make many of the commands I tried produce this message on a
modified 9vx:
On Mon, 2009-07-20 at 14:39 -0700, John Floren wrote:
Hi
Can I get a copy of your code?
In fact, can it put in contrib ?
Thanks,
Roman.
Thanks
John
On Sat, Jul 18, 2009 at 3:46 PM, driv...@0xabadba.be wrote:
Phew finally got it. There was some hackery involved in the hg-git
In the mom, why sky is blue department, here's a silly question:
is there any good reason that read(2) on a hangup channel returns
an error, while write(2) on a hangup channel terminates an application
(by generating a note, of course, which can be ignored, but still)?
Thanks,
Roman.
P.S. And
On Mon, 2009-07-13 at 23:14 -0400, erik quanstrom wrote:
Yes, but in my example - sorry - NeverDefined doesn't mean declared and
defined elsewhere (or not) but not declared .and. not defined.
true enough. the patch i sent still rejects your construct.
i'd still be interested to hear a
On Tue, 2009-07-14 at 13:46 -0400, erik quanstrom wrote:
rejecting the struct seems like the right thing to do as per
ISO/IEC 9899:1999
(http://www.open-std.org/JTC1/SC22/wg14/www/docs/n1124.pdf)
sec. 6.7.2.1 para. 2
A structure or union shall not contain a member with incomplete or
On Tue, 2009-07-14 at 15:29 -0400, erik quanstrom wrote:
The above paragraph has nothing to do with pointers to incomplete types
(except for a clarification). Why are you bringing this up?
assuming that pointers to incomplete types are
themselves incomplete, and you haven't cited
chapter
On Thu, 2009-07-09 at 15:56 -0300, Federico G. Benavento wrote:
Also, something similar to GSL (http://www.gnu.org/software/gsl/)
gsl-1.6.tbz GNU Scientific Library, native port.
/n/sources/contrib/pac/sys/src/lib/gsl-1.6.tbz
I've been meaning to ask this for a long time -- do
On Fri, 2009-06-12 at 21:56 -0400, erik quanstrom wrote:
I thought you might want a ctl file into which you write the
representation you want and that magically creates a new file or
directory.
Sure, but if *each* file can have more than one representation then
where's the best
On Fri, 2009-06-12 at 13:04 -0700, Skip Tavakkolian wrote:
anyone working on this?
What's so great about NaCl? Isn't it just a fancy way to start
QEmu/VirtualBox/VMWare?
Thanks,
Roman.
On Thu, 2009-06-11 at 06:49 +0200, lu...@proxima.alt.za wrote:
but at that point it becomes no more appealing than the content
negotiation techniques of HTTP.
I thought you might want a ctl file into which you write the
representation you want and that magically creates a new file or
В Втр, 09/06/2009 в 11:27 -0600, andrey mirtchovski пишет:
I think I've mentioned this before, but on a few of my synthetic file
systems here I'm using what you describe to slice a database by
specific orderings. For example, I have a (long) list of resources
which I'm managing in a particular
Hi John,
it took me sometime to go through the old backups but it seems
that the NFS setup is gone by now. You can still ask questions,
if you want to, but I won't be able to send you all the working
conf. files.
On Tue, 2009-06-02 at 11:34 -0700, John Floren wrote:
I'd like to use the 9p
Working on a RESTful API lately (which is as close to working on a 9P
filesystem as I can get these days) I've been puzzling over this issue:
is content negotiation a good thing or a bad thing? Or to justify
posting to this list: what would be the proper 9P way of not only
representing different
On Tue, 2009-06-02 at 10:30 -0700, John Floren wrote:
Has anyone here successfully set up nfsserver to share Plan 9 files
with Unix machines? The examples given in the man pages are rather...
opaque. All I want to do is share one directory tree (/lib/music, in
particular) with a number of
On Thu, 2009-04-23 at 17:07 -0400, Anthony Sorace wrote:
Unrelated, about a month ago I put together snip, [3] a little
pastebin-like
service for sharing snippets of code (or whatever). Details on the
snip's contrib
page [4], but basic usage is snip /some/file to paste a snippet
On Thu, 2009-04-23 at 09:25 -0500, Eric Van Hensbergen wrote:
I've started a public nightly mirror of (the source code bits) from
sources using github: http://github.com/ericvh/plan-9/tree/master
Great! What's your policy for updating the tree w.r.t. the actual
sources?
Thanks,
Roman.
P.S.
On Thu, 2009-04-23 at 18:53 +0100, roger peppe wrote:
i wonder how many things would break if plan 9 moved to
a strictly name-based mapping for its mount table...
What exactly do you mean by *strictly* ?
Thanks,
Roman.
On Sun, 2009-04-19 at 00:13 +0200, Uriel wrote:
My criticism was directed at how they are actually used in pretty much
every web 'framework' under the sun: with some hideously messy ORM
layer, they plug round Objects down the square db tables, and all of
it to write applications which really
On Sat, 2009-04-18 at 19:19 +0200, Enrico Weigelt wrote:
yes. there are several web servers, including one in the standard
dist. however, rails or merb might be something you'd have to do
yourself.
Did anyone already get java running on Plan9 ?
Java is too many things. Strictly
On Fri, 2009-04-17 at 12:54 +0100, maht wrote:
How difficult would it be to use rails or merb in plan9? Is it feasible?
Not Rails or merb or anything non Plan 9 but a few of us are building an
rc shell based system that works anywhere CGI and Plan 9 / plan9port is
available.
On Wed, 2009-04-01 at 22:02 +0200, Bernd R. Fix wrote:
As I wrote in an earlier mail, I am not too deep into this licensing
stuff, but I know what I would like to have for my software:
I want it Open-Source - that's my basic 'statement'. For me this means:
I am willing to share my ideas (and
This is seriously cool and must be added to:
http://9p.cat-v.org/implementations
Thanks,
Roman.
On Wed, 2009-04-01 at 13:43 +0200, Bernd R. Fix wrote:
Hi,
I just want to announce that a new 9P-related framework has been
published (pre-alpha status, PoC). You find the current project
On Wed, 2009-04-01 at 18:49 +0200, Bernd R. Fix wrote:
David Leimbach schrieb:
Anyway to get a non GPL v3 licensed version from you? I may not be able to
use this implementation for what I want otherwise.
I was actually planning on doing this myself, anyway at one point, and
BSDLng it.
On 03/27/09 14:31, Rudolf Sykora wrote:
Hello everybody,
I noticed there are some thoughts about using plan9 on supercomputers.
For me supercomputers are usually used to do some heavy calculations.
And this leads me to a question. What software is then used for
programming these calculations?
On 03/25/09 02:12 PM, Charles Forsyth wrote:
A modern cfront is nearly impossible. Templates make it hella-hard.
really? how is that?
Everything is possible. It is software, after all. But it is not
practical. The
original cfront was, to some extent, a cpp(1) on steroids. AFAIR, it
On 03/16/09 06:01 PM, ron minnich wrote:
skip lguest.
What I'm looking at now is tinycore linux: tinycorelinux.org and vx32.
Much easier. Makes a nice terminal. I have to add some things to it,
it doesn't come w/wireless.
That is all fine for the terminal (I suppose you really mean running
an old LISP community. Those
guys are a bit like 9fans, if you know what I mean ;-)
On Tue, 2009-03-03 at 10:38 -0800, Bakul Shah wrote:
On Tue, 03 Mar 2009 10:11:10 PST Roman V. Shaposhnik r...@sun.com wrote:
On Tue, 2009-03-03 at 07:19 -0800, David Leimbach wrote:
My knowledge
On Tue, 2009-03-03 at 23:24 -0600, blstu...@bellsouth.net wrote:
it's interesting that parallel wasn't cool when chips were getting
noticably faster rapidly. perhaps the focus on parallelization
is a sign there aren't any other ideas.
Gotta do something will all the extra transistors.
On Tue, 2009-03-03 at 07:19 -0800, David Leimbach wrote:
My knowledge on this subject is about 8 or 9 years old, so check with your
local Python guru
The last I'd heard about Python's threading is that it was cooperative
only, and that you couldn't get real parallelism out of it. It
On Tue, 2009-02-24 at 10:54 -0500, erik quanstrom wrote:
about 5 years ago i took a class on performance tuning Solaris.
The instructor claimed that fork was expensive because accounting is never
really turned off, just piped to /dev/null. there is no accounting
overhead for threads.
On Tue, 2009-02-24 at 11:22 -0500, erik quanstrom wrote:
cfork is ~525 lines long and seems to take the curious tack of
forking all the lwps associated with a process.
that would be forkall(), not fork1()/fork()
my mistake. i assumed that since isfork1 was
a flag, that it was not
On Wed, 2009-02-25 at 01:26 +0100, Enrico Weigelt wrote:
But I really can't tell anything about the space saving.
(one of the primary decision for venti is that it will be
clustered some day ... ;-o)
Clustered?
Thanks,
Roman.
On Thu, 2009-02-12 at 07:49 -0500, erik quanstrom wrote:
exactly. the point i was trying to make, and evidently
was being too coy about, is that 330 odd gb wouldn't
be as useful a number as the sum of the sizes of all the
new/changed files from all the dump days. this would
be a useful
On Wed, 2009-02-11 at 13:19 -0500, Venkatesh Srinivas wrote:
On Wed, Feb 11, 2009 at 07:07:48PM +0100, Uriel wrote:
Oh, glad that somebody found my partial git port useful, I might give
it another push some time.
Having a git/hg repo of the plan9 history is something I have been
thinking
On Tue, 2009-02-10 at 20:43 -0500, Nathaniel W Filardo wrote:
Incidentally, a git repository of the crawls, from 2002/1212 to 2009/0205,
is available at http://mirrors.acm.jhu.edu/trees/plan9native/ . Git gets
the data down to 165M after a gc run, so perhaps it's a better idea than a
On Tue, 2009-02-10 at 16:32 -0500, erik quanstrom wrote:
I again propose that sources should be mirrorable via venti (and venti/copy
-f); the nightly snapshots would be walked with auth/none vac into a
publically readable venti (venti/ro proxy) and the scores published (and
signed). In
On Tue, 2009-02-10 at 09:06 +0100, Giacomo Tesio wrote:
So far it seems that there are no ready-made 9P-based
solutions available for what
you have in mind. At least I don't know of any.
In any solution available there are costs to pay (economical or
temporary ones).
On Tue, 2009-02-10 at 16:55 -0500, erik quanstrom wrote:
i'm still not following why replica won't work? getting in underneath
the fs seems to require some extra justification and it seems to require
some very low-level modifications. and yet the file interface provides
what i think
On Tue, 2009-02-10 at 17:13 -0500, Nathaniel W Filardo wrote:
On Tue, Feb 10, 2009 at 01:51:47PM -0800, Roman V. Shaposhnik wrote:
since replica requires some (albeit automatic) periodic work on the
server end it means that there's one more thing for bell lab folks
to care about
On Tue, 2009-02-10 at 17:10 -0500, erik quanstrom wrote:
On Tue, Feb 10, 2009 at 04:32:18PM -0500, erik quanstrom wrote:
i'm still not following why replica won't work? getting in underneath
the fs seems to require some extra justification and it seems to require
some very low-level
On Fri, 2009-02-06 at 23:26 +0100, Giacomo Tesio wrote:
Hello every one...
In a context of really heavy load and high availability needs, I'm
evaluating plan 9 to implement a fileserver grid to be used by a web
server for temporary storage (session's serializations, for example).
What OS do
On Thu, 2009-02-05 at 12:41 -0500, erik quanstrom wrote:
http://www.google.com/search?q=09+f9;
is that a legal url?
I don't think it is a legal URL, but most browsers
will turn it into a legal one before issuing a
GET request.
Thanks,
Roman.
P.S. Or am I missing some kind of a joke here?
On Thu, 2009-02-05 at 10:22 -0800, Micah Stetson wrote:
http://www.google.com/search?q=09+f9;
is that a legal url?
P.S. Or am I missing some kind of a joke here? ;-)
Intentional or not, it's a very good joke.
but...but...erik always adds that look-i-am-using-plan9-smiley
to all of
On Tue, 2009-02-03 at 19:27 +0200, lu...@proxima.alt.za wrote:
But I do not recall the details and I think Roman is the one who
needs to recap this discussion and bring it to a conclusion.
Wow! This ended up being quite a thread ;-) I'll try to comment on
a couple of things first, in this
On Tue, 2009-02-03 at 17:30 +, Brian L. Stuart wrote:
information can't leak in principle, but root scores are dangerous, which
is why open-access venti servers are problematic - if such a score
*does* happen to leak, then unconditional access to all your data has
also leaked.
If I
On Mon, 2009-02-02 at 13:22 -0800, John Barham wrote:
You're missing the beauty of 9p. Who needs dynload() when you have
mount()?
Mount allows me to add new names to the process namespace. Dynload
allows me to call functions or access data in a library that is not
known to the process
On Mon, 2009-02-02 at 13:32 -0800, David Leimbach wrote:
I mean sure you could use FTP to transfer files, but the old shell
based tools are automagically plugged in with network capabilities
when they deal with a FTP backed namespace right? So without any
binary loader capabilities cp mv and
On Mon, 2009-02-02 at 14:12 -0800, ron minnich wrote:
On Mon, Feb 2, 2009 at 1:32 PM, David Leimbach leim...@gmail.com wrote:
They solve the same class of problems, if you step back far enough.
If your application's mechanism of dealing with processing is to use the
namespace, then
On Mon, 2009-02-02 at 23:22 +0100, Francisco J Ballesteros wrote:
But can't you `script' by calling an external program, sending it your
input, and reading its output?
Well, the way I see it: exec'ing is just a way to get to a transient
channel. Its no different from that very same channel
On Fri, 2009-01-30 at 07:18 +0200, lu...@proxima.alt.za wrote:
Some level of smartness in how block traversal is made needs to
be there.
That involves partitioning, which defeats the fundamental mechanics of
venti.
I don't think it does. At least not in a way that is obvious to me.
The
On Sun, 2009-02-01 at 20:27 -0800, Russ Cox wrote:
as for listening, 9vx by default uses the host ip stack,
and plan 9 services tend to use their own port numbers,
And sometimes these port # tend to be 1024 which means that
you have to run 9vx as root.
Thanks,
Roman.
On Mon, 2009-02-02 at 17:43 -0500, erik quanstrom wrote:
I don't think it does. At least not in a way that is obvious to me.
The one and only fundamental limitation of the current interface
offered by venti is that I can give it a score to something that
doesn't belong to me and it gives
On Thu, 2009-01-29 at 13:12 +0100, Uriel wrote:
The issues with replica go beyond its tendency to wipe out complete
file systems.
It includes, among other things, the performance of a drunken slug,
and as you well point out, the skils of a schizophrenic monkey for
managing local changes.
On Thu, 2009-01-29 at 08:15 -0800, ron minnich wrote:
On Thu, Jan 29, 2009 at 4:12 AM, Uriel urie...@gmail.com wrote:
All this has been solved by git and hg; and git and hg would *never*
wipe out your local files simply because the backing store for the
repository you are pulling from
On Thu, 2009-01-29 at 08:53 -0500, erik quanstrom wrote:
How about turning acme to universal UI, in the style of old Oberon?
Acme very deeply believes that everything's just text. It would be
substantial effort to get it to be any more universal than that. I'm
aware of at least two
On Thu, 2009-01-29 at 08:37 -0500, erik quanstrom wrote:
and as you well point out, the skils of a schizophrenic monkey for
managing local changes.
well then, please show me how hg/git or whatever would save
me from the situation outlined. how would hg/git know that
i was really using
On Thu, 2009-01-29 at 09:18 -0800, Russ Cox wrote:
Onr fundamental difference is that the latter set is
intended to keep trees exactly in sync,
trees tend to be highly overloaded, but if you refer
to the filesystem hierarchy as seem by open, then the
above statement, if applied to Git, is
On Thu, 2009-01-29 at 14:33 -0800, Russ Cox wrote:
On Thu, Jan 29, 2009 at 1:09 PM, Roman V. Shaposhnik r...@sun.com wrote:
I don't know how well Git handles this; I apologize for that.
Git doesn't get annoyed. In fact, with things like git stash you can
even test incremental changes
On Thu, 2009-01-29 at 16:42 -0500, erik quanstrom wrote:
That said, what would be your thoughts on developing the
tools (and interfaces perhaps) for fetching up venti
blocks between two systems in a secure and manageable way.
i think this harks back to ye olde dump. the main difference
On Mon, 2009-01-26 at 22:35 -0800, Akshat Kumar wrote:
2009/1/26 Roman Shaposhnik r...@sun.com:
...
Yeah, that's about the only thing that is useful to me
as well. The rest requires too much mousing around
and in general it is quicker for me to compose the
command line anew rather than
On Tue, 2009-01-27 at 14:25 -0800, Christopher Nielsen wrote:
... I've seen this study and I tend to believe it. But there's a gotcha:
the kind of work that I and other software engineers do with computers
is almost orthogonal to what the study was focusing on. I don't believe
anybody
On Tue, 2009-01-27 at 14:43 -0800, Christopher Nielsen wrote:
On Tue, Jan 27, 2009 at 14:31, Roman V. Shaposhnik r...@sun.com wrote:
On Tue, 2009-01-27 at 14:25 -0800, Christopher Nielsen wrote:
... I've seen this study and I tend to believe it. But there's a gotcha:
the kind of work
On Tue, 2009-01-27 at 15:11 -0800, Christopher Nielsen wrote:
On Tue, Jan 27, 2009 at 14:50, Roman V. Shaposhnik r...@sun.com wrote:
Are you a programmer? Care to give pointers to the projects you've
been on?
I am not going to get into a pissing contest with you. Check the archives
On Mon, 2009-01-26 at 08:53 -0500, erik quanstrom wrote:
It depends on the vdev configuration. You can do simple mirroring
or you can do RAID-Z (which is more or less RAID-5 done properly).
raid5 done properly? could you back up this claim?
Yes. See here for details:
On Mon, 2009-01-26 at 08:22 -0800, Russ Cox wrote:
As for me, here's my wish list so far. It is all about fossil, since
it looks like venti is quite fine (at least for my purposes) the
way it is:
1. Block consistency. Yes I know the argument here is that you
can always roll-back
On Tue, 2009-01-20 at 16:52 -0700, andrey mirtchovski wrote:
for my personal $0.02 i will say that this argument seems to revolve
around trying to bend fossil and venti to match the functionality of
zfs and the design decisions of the team that wrote it.
That is NOT the conversation I'm
On Fri, 2009-01-23 at 22:36 -0500, erik quanstrom wrote:
You never know when end-to-end data consistency will start to really
matter. Just the other day I attended the cloud conference where
some Amazon EC2 customers were swapping stories of Amazon's networking
stack malfunctioning and
On Tue, 2009-01-20 at 21:02 -0500, erik quanstrom wrote:
In such a setup a corrupted block from a fossil
partition will go undetected and could end up
being stored in venti. At that point it will become
venti problem.
it's important to keep in mind that fossil is just a write buffer.
On Wed, 2009-01-21 at 20:02 +0100, Uriel wrote:
On Wed, Jan 21, 2009 at 2:43 AM, Roman V. Shaposhnik r...@sun.com wrote:
Sure, but I can't really use venti without using
fossil (again: we are talking about a typical setup
here not something like vac/vacfs), can I?
If I can NOT than
On Tue, 2009-01-20 at 09:19 -0500, erik quanstrom wrote:
in the case of zfs, my claim is that since zfs can reuse blocks, two
vdev backups, each with corruption or missing data in different places
are pretty well useless.
Got it. However, I'm still not fully convinced there's a
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