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S@H Response to Hacked
Client
There was a post on alt.sci.seti tonight from Eric
Korpela on the aftermath of the hacked client being revealed
(this is a semi-official response):
Sorry about letting the lack of
response from most of the SETI@home team posters. I'm sure you can
understand that we've been a bit busy. Thank you, Lawrence Kirby,
for helping everyone keep a little perspective.
Yes, the patch does exist, and yes, it does what is claimed. It
requests a workunit and uploads a blank result a few seconds later.
Unfortunately we had become complacent against this type of attack
following the release of the version 2 clients. We are no longer
complacent, and are watching carefully for users using this patch.
Most make themselves pretty obvious.
The damage to the completeness of the science database appears to be
minimal. Lawrence is correct that it is unlikely that the same
workunit would be sent to two different cheaters. There is also an
additional effect that Lawrence didn't mention. Workunits are not
deleted immediately after a second result is returned. The
deletion occurs only when the splitters have filled up the available
disk space, and then the deletions are in fairly small chunks.
Since we're constrained by the data rate at the telescope (and we don't
run the splitters any faster than that), the net effect of a million
bogus results returned quickly is that the average number of times a
workunit is sent goes up to compensate. It's not enough to
fully prevent any loss, but it helps.
We're investigating ways to prevent type of hack from working in the
future on both the server and client side. Some of the options
people here have mentioned are being invertigated. We'll try
solving the problem in the server first. Because of the
architecture it's a whole lot easier to prevent the phony results from
ending up in the database than it is to prevent cheaters from getting
credit for the phonies.
Another option would be to no longer give credit for null results.
We expect that many users would rebel against that, and stop processing
any workunits that don't find a signal in the first 5 minutes.
Some of the options presented here would greatly exceed our database
processing capacity to implement. They would certainly work,
they're just not feasable in our current setup. Others would
require that we increase our workunit storage by a factor of 8 or
so. If we had that much disk space around it would get used in the
science database....
If we're not able to solve the problem in the server, expect a Windows
commandline 3.04. I've come up with a method of prevent the null
result problem that would make the patch job more difficult. Of
course there's no way of making the patch job impossible.
At any rate, the damage isn't too bad, and we're working on a
solution...
Eric
Its A v3.03 World
Welp...it looks like the axe has fallen. The Berkeley guys shut down
the server that was feeding work units for the pre v3.03 clients.
Here is what Matt had to say about the switch:
There has been a steady increase
in the number of 3.03 results we've been getting back, though we're
still considerably far from 100%. As far as I'm concerned, there's been
enough time and enough warning so I'll suggest at today's meeting that
we make the switch like now. We've been slow because we can't turn on
warnings to the CLI clients without gettings DOSed (though that's
greatly improved over the past week as people finally started making the
switch).
- Matt - SETI@home
So for those of you out there who have been waiting for
the last minute to switch over to v3.03, that minute has come and
passed. There is one note to this though. Not all of the
clients have been ported over to v3.03. On the downloads
page there are still at least 7 clients that have not been ported
over. I guess if you were using the pre v3.03 clients then at the
moment you are SOL :(.
-Update: hrmmm I
couldn't connect with the old SetiQ earlier today, but that must have been
the problem listed below. I just tried (9:00pm EST) and everything
went through...it isn't down YET.
Keeping Up With the
Joneses
With the switch over to version 3.03, there have been some updates to
several of the favorite add ons for the SETI clients.
First off, there is a
"beta" SetiQ
program that has released. This version is now a Windows GUI based
application, and will support the version 3.03 client. There are
other changes to the client that you can read about here.
Secondly, there is the
release of version 3.0.4 of SETI
Spy. This version update contains mostly different bug fixes
and also some visual inconsistencies. You can check out what is
different here.
S@H Was Down...Now
Up
There was a problem with the S#H site, and attempts to download work units
even with version 3.03 were fruitless. There seems to have been some
configuration problems with their routers/servers that Matt explained
here:
Due to a syntax error in an apache .conf file, one disk
partition filled up, causing a general slowdown of the web server and
the data server last night. This was easily fixed, and plans are being
made to reduce server dependencies as much as possible (by moving them
on bigger, separate disk partitions).
Addendum: Yes, the error was my fault and I am currently still kicking
myself.
- Matt - SETI@home
Little Of This...Little
Of That...Mix...Zap...ET?
I ran across this news
item a little bit earlier tonight. There has been earlier
attempts to "create life" in the laboratory using elements found
in the early universe. These experiments were able to create some of
the complex molecules that many considered to be the precursors of life
here on earth. Scientists now seem to have done the same using a
deep-space environment:
In a
simulated deep-space environment, researchers have created small
structures that look like the cell walls in living organisms and show
early signs of the ability to convert sunlight into chemical energy. The
work, announced Monday, adds to growing evidence suggesting that
interstellar clouds of gas and dust provide the ultimate in Betty
Crocker mixes: Just dump the enclosed ingredients into a hospitable
planet, add water and stir.
Yum...ET in a test tube!
What To Say?
The internet is a strange place. People can act like your best
friends, and then turn around and stab you in the back laughing while you
are laying there bleeding. Luckily, TLC and the S@H program has not
seen many of these people. Unfortunately one of those times is here
and now. If you don't understand what I am talking about, you need
to reference this
thread on the distributed forum.
To summarize: 2-3 people, fake friends, multiple
accounts, over 1,000,000 fake results, stab wounds in the backs of TLC,
KWSN, and the entire SETI@Home Project.
(Hopefully) the last thing I will say about this situation
is the following (taken from a post I made in the above thread):
All I can ask any/all of you are:
1) DO NOT download the hacked client
2) DO NOT use the hacked client even if it is out of curiosity.
3) DO NOT post links to where you can download the hacked client
4) DO NOT join TLC if you are using a hacked client
4) If you are on TLC using a hacked client, please leave the team.
Version 3.03 SUCKS!
Ok those aren't my words, but one poster on alt.sci.seti thought so!
But his post did get the attention of Matt
Lebofsky and he replied in kind...
> I used to be able to finish a
WU in 3.5 hours on my p3700@1008 Mhz. Now it
> takes about 5 hours. On my AMD 700@850 it used to take 5
hours, now it
> takes 7+ hours. This sucks. Am I able to still use v
3.0 instead of 3.03?
> These are the text clients of course.
3.03 sucks so much because we
cleaned up a bunch of sucking code in this version. We found several
cases existed in 3.0 where the clients could process entire workunits
without ever touching the suck functions. This was an undetected
conflict between the science and suck code, and has been fixed in 3.03.
Now we are efficiently maximizing both science and sucking.
You are able to use 3.0 during random phases when I don't have mandatory
upgrade messages turned on. I turn these on whenever I feel like it, and
turn them off when 3.0 clients in tight loops load down our server.
As of time of writing, you cannot download workunits with 3.0, but you
may be able to later. Within a week, no matter what, 3.0 will be dead in
the water. We can only accept results from suckless clients for so long.
But...for those of you who thinks that Matt's words were a
bit harsh he also added in a following post:
> Or is Matt just finally fed
off with the continous complaining
> and whining going on from the speed freaks about having to change
to
> the slower v3.03.
I'm hardly fed up. I feel everyone has the right to complain. People get
many different things out of this project, and have every reason to be
upset that our goals may hinder their personal goals. It's a big family
all living in one big ol' house.
But I mean, c'mon. I think the original author couldn't have been that
freaked out about an extra 1.5 hours per work unit of computing time,
and so I feel a little levity in response may put that into perspective
for everyone.
At least I hope. I'm one of those people who refuses to use emoticons,
and therefore people automatically assume I'm being a raging lunatic or
a total jerk. Oh well. When I start to see those things in books it'll
be clearly apparent to me that we're all goners.
- Matt - SETI@home
New SETI Driver Out!
Mike Ober has let the cat out of the bag and into cyberspace...the new
version of SETI Driver
is out. Here is the specifics on the changes:
It's on the North American
download site now. There is no longer a Win95 specific version - I
worked around the problem in code.
Changes from the previous version are:
- Auto Transmit loop has been changed to reflect the text client page
looping instructions
- SETILog.CSV is now created only when requested
- Fixed a command line reading bug that could cause socks and proxy
server settings to be mis-read
- Fixed a resource leak when clearing the "Use SETI Driver"
progress monitoring checkbox
- During WU transmit, SETI Driver now boosts the priority of the
transmit process to High after 30 seconds. This also means that the
shortest time period between the start of consecutive WU transmits is
now 30 seconds.
The European download site should be ready in a day or so.
On Again, Off Again
It has been noted in various places that the view the last 10 work units
page was on earlier tonight. But again for some yet unknown reason,
they are back off line... And I thought my Win98 box was unstable...
Error Codes and You
I saw this post on alt.sci.seti from Eric Korpela.
There has been some question on what the different error codes you get
from the SETI client were, so Eric helps demystify what the codes
are. If you have been wondering, here they are:
I'm not sure it really matters
what the error is, a script could easily treat all of them the same.
Here they are anyway: Some of them are only used internally.
#define
SUCCESS
0
#define
NAME_EXISTS
(-10)
#define FILE_DELETE_FAILED (-11)
[snip]
woah....that was alittle bit longer than I expected it to
be :) Instead of putting them all in here I made a post to the
Distributed Forum with the entire list. Check
them out here!
Pokemon
Ok now I wonder if Nintendo
will come after us!
And I Almost got DSL...
If you have DSL and aren't using one from a baby bell, you may soon be SOL.
I *nearly* went with COVAD DSL when it was taking Mediaone ages to upgrade
to two way cablemodem here. Im glad I waited. And the DOJ
thinks that Microsoft is a monopoly?
Back to Business
I didn't want this to turn into a E/N site...but just had an overwhelming
urge to post those...
First off, I posted the weekly
stats for the past week. I noticed when I was getting the
weekly stuff ready...I am running out of room on my Excel
spreadsheet. I have less than a month's room on the darn
thing! I need to get cracking on some new code and a new worksheet
for bigger and better things for the site :)
There has been some mad bovine action going on in the past
week. First off we had the arrival of Evil
Cow whipping up the charts, and also Team
Beef Roast got some front page Ars pimpage....way to go!
How is TLC doing in the standings? Yesterday TLC
passed through the 3 Million WU mark again,
and is again steadily climbing. Right now we are about 120,000 WUs
behind Sun, at the current pace we should be passing Sun within two
weeks.....BUT (more about that
later). How is KWSN doing? After the past week's fallout they
ended up sitting behind Compaq down in 5th place. Right now they are
in Compaq's shadow and should pass them with tomorrow's update putting
them at the #4 spot. KWSN is about 600,000 WU behind TLC right
now....and even though it is too early to get a good idea of average
production, KWSN is cranking out about the same number of work units as
TLC, and they probably are producing a slight bit more. With the
current lineups it would take KWSN quite a bit of time to catch up to TLC
since the difference in production between the two of us is pretty
slight. But as many of you know from last week, team lineups can
change quite fast and furious. Nothing is set in stone.
More About V3.03
Yes we are set to pass Sun again in about two weeks, and this is where the
BUT comes in. I have a feeling
that the servers for version 3.00 and previous clients will be shut down
REAL SOON! The time for passing Sun may be stretched out a bit
because of this when version 3.03 becomes *absolutely* mandatory. Matt
Lebofsky said that v3.03 was mandatory a couple of days ago,
but I still have been able to upload results/download WUs. Why is
this? For the past couple of days there seems to be a period of time
where people cannot download work units from the servers (but can upload
results fine). A couple of days ago I didn't know the reason why
this was happening, but there may be an explanation for the
weirdness. Mike Ober has been in
touch with Matt with the changeover and the interactivity of Seti Driver,
and he has this to say about the download
problem.
Actually this is
the whole issue. I have been in contact with Matt L. at S@H about the
problem and he has confirmed that the Client Expired messages are being
turned on and off. When they are on, the problem occurs. When they are
off, this problem goes away.
Mike.
But why is Matt turning things
on and off? I think that there is a simple explanation. He
seems to be turning on and off the client expired messages during the
afternoons over here in the US. I believe he is guessing that these
are the times that he thinks that people will be at their machines to be
able to see these client expiration messages, in the hopes that they would
see this and then switch over the clients. He may be doing this at
different times in the day to make sure he will get most people's
attention. Why doesn't he keep the message up to make
sure that people will realize to change things over? I
think that it has to do with many people with "SETI Farms" and
others who use caching programs or scripts to keep things going. If
they leave the message on and prevent the downloading of work units,
SetiQ, and many of the scripts will try over and over to connect and
download work units, basically DOSing the Berkeley servers.
The way Matt is doing things
now, he turns on the messages to try to get peoples attention, and then he
lets things to back to normal. I would expect this to happen
probably for the next couple of days. I think this is the last
warning. The next thing that will happen is the server shut down and
you wont be able to connect at all! My guess on the server
shutdown? I think either Thursday or Friday. You have been
warned....Upgrade!
Version 3.03
Mandatory? Or Not? (yet?)
Many people (including me) had some problems with submitting results and
downloading new work units a couple of days ago with non 3.03
clients. It was a bit strange since the servers accepted the
results, but didn't download a new work unit. Sometime later that
night, I was able to download new work units. Strange eh? I
sort of took this as a "shot across the bow". Most likely
they were playing around with their servers to get ready for the client
switch over. I had figured that we would hear something from the S@H
guys just before they switched over, so I didn't think that the previous
episode would have been the real "switch off". I just
checked the alt.sci.seti newsgroup and I believe we have the "two
minute warning".
Hi, SETI@homers,
Short story:
Version 3.03 is now officially
"mandatory."
Yes, all earlier versions
are obsolete, including 3.0, even though you may have only installed it
as little as a month ago. Sorry for the inconvenience. We have been
warning this time would come for months, and have been issuing warning
messages to most clients over the past couple of weeks, and within a
week or so we will shut off all old clients at the router (via a DNS
switch).
Long story:
We've been screwing around with the server for the past month trying to
get it to respond politely to all versions on varying platforms. Due to
outdated client/server communication protocols, unpredictable behavior
of third-party caching software, people running their clients in
while(1) loops, and plain old bugs, this has been proving difficult but
at least almost completely solvable. However there are some cases, like
the windows 3.00 CLI whirring away on their compute farms, where we
can't do anything about it except the hard shutoff via the DNS switch.
We never had these problems before, or at least at this scale, because
we made very few versions above 1.x mandatory. However, lessons learned
and new logic in place should make any future transitions *much* easier
for us (and therefore you, the users).
In other words, we do try to make transitions as polite and seamless as
possible. Please bear with us. Once we get everyone on an even playing
field with version 3.03, there's going to be a huge sigh of relief in
SETI@home-land, and we can continue working on more interesting things
(for both you and us).
Thanks for your time, interest, and effort!
- Matt - SETI@home
Pre v3.03 clients are dead now...right? Hrmmmm I'm
not so sure. I guess mainly because I am not sure what their meaning
of "mandatory" is. Right after reading this I went in and
uploaded 4 results being run with version 3.00 CLI and SetiQ. The
results were sent ok, and it downloaded 4 new work units just fine....then
I looked and it posted the 4 results to my total fine. That really
isn't my definition of "mandatory" :). To me the only way
it will become "mandatory" is when they shut off things via the
DNS switch. OK either that or they stop giving credit for pre
version 3.03 clients. But beware, if you want to stick it out to the
bitter end, that bitter end will come "within a
week or so".
Results? When?
For the good part of the past two years S@H users have been sending the
Berkeley guys results...but when will we see some results from them?
It looks like the Berkeley guys will be starting to do some serious
results sifting.
>But they hope to get up to
real time processing speed
>when they add another server (in seti@home II ??).
>It wasn't clear when.
The machine that will be doing this processing was assembled in the last
week, and will be fully operating in the next couple weeks.
I should add something to the tech news about it...
Eric
Sad Day for TLC
This has nothing to do with the latest in who is has joined the team or
who has left the team in the past couple of days. This goes a bit
deeper for those who have been a part of TLC for a while. Yesterday Rat
Bastard offered his resignation
for the post of benchmarking guru.
Hello all,
As you're all aware, I've been rather absent as of late. Life in general
has kept me rather busy, and I've found less and less time to devote to
web ponderings. Furthermore, with the status of the new Seti clients,
I've become disenchanted with the project as a whole, and simply have
lost interest. As a result, I have not upgraded to the 3.03 client, and
will not. I do plan on running some RC5 on my servers (just so the
processors don't rust
), but even that will be no matter of importance to me.
I just wanted to post this here so that everyone knew where I was. I've
had fun with the Seti project, and I've met alot of great people here.
However, it's time for me to do other things. So I will post my official
resignation from all Seti Community happenings. If anyone wants me, I'll
be playing games with my son, who currently seems to enjoy the games
'run', 'jump', and 'ball'. 'Drool' is still a favorite too- although
it's not as good as 'hug dada'.
Goodbye everyone,
Rat
Eric Nadeau
Many of the newer members may not know that much about
Rat. He has been an integral part of this site here and in Team Lamb
Chop in general. RB was on TLC already when I first joined the
team. Not too long after I started keeping team stats on my personal
web site, RB came up with the idea of benchmarking the different clients
using a common work unit. At first he kept the benchmarking stuff on
his own site (even though we tried to integrate things as much as we could
:), and then things were combined when we moved to this domain.
The benchmarking pages have been (and still are) a
valuable tool for comparing different clients and different systems with
regard to SETI@Home. For many, tweaking for the best S@H production,
means tweaking a system for best overall performance!
I have always thought that in the S@H community as a
whole, know this site more for the benchmarking pages, than for the team
stats pages (even though its the stats pages that keeps em coming back ;)
hehehe. It has been a pleasure working with RB over the past year or
so, he has been extremely valuable to TLC, the Ars Forums, and the S@H
project.
Good luck with the family, job and your gaming
habits! You will be missed by Ars, TLC, and yes even me. Hey,
he is the father of the {H}ardest
Son in the SETI world! (see Nov 25, 1999 news). -zAmboni

I Must Also Add...
That Max is going to keep going with
the benchmarking duties. A big tip of the hat goes out to Max!
If anyone would like to help out on the benchmarking pages let either Max
or I know and we will see what we can do. I also need to check with
Max on this, but we may want to get a setup for the benchmarking to do
some sorting of the different columns, and maybe a better submission
form. Let us know if you can help!
Calling All Lurkers!
I know that there may be quite many a lurker out there who may stumble
upon this site, or maybe even come here day after day. I want to
invite you all to drop in on the Distributed
Projects Forum. Check it out and take a look around.
We would like to hear from you even it is just to say hi! This is
not limited to Team Lamb Chop members. If you are from *any* team,
drop in and say hi. The only thing is that registration is required
to post.....but it wont cost ya anything! Hope to see ya there.
SETI Blackout?
Many of you know that there is a pretty serious power crisis in California
right now. It has gotten to the point where there are rolling
blackouts in some California regions. Will this effect the Berkeley
Campus and the S@H servers? I haven't heard anything about this, but
I really doubt if they would cut power on a state university campus, so
the S@H project should be safe from this. But again I could be
wrong.
More About v3.03
Transition
Hiram (leader of the client porting
efforts) posted on alt.sci.seti a couple of days ago this tidbit:
Good Morning SETI Fans:
This is the best statement I can make at this time. The team is trying
to get the pre-v3.03 clients turned off as soon as possible. As
they work through various problems with the transition, the exact moment
is unknown.
For your purposes, you should assume your pre-v3.03 client is obsolete
and you should upgrade now. Otherwise, when the moment does
happen, your processing will be dead in the water.
--Hiram - WB6RSS
If you notice from the news a couple of days ago they
state that any pre-v3.03 clients should be shut off completely "about"
Jan 31, 2001. This doesn't mean that they will shut them down on Jan
31. The shutdown could come anytime from now until then (or
after). Right now if you are planning to stick with any earlier
versions you may be risking it if they shut down the old servers
say....tomorrow. Remember. If you have any cached work units
and they shut the client down....those results are lost.
Forever lost in the dead client result vacuum.
v3.03 Bug Info Updated
A week or so ago there was news about a possible bug in the v3.03 client
in which the client will stick state.sah and key.sah files in random
folders, and multiple copies at that. Matt
Lebofsky updated us on things tonight, and it is not apparently
a bug in the client, but those systems in which this has been seen are
infected with a virus. I'll let
him explain.
More and more people are
complaining about multiple copies of state.sah and key.sah files
appearing in random folders of the windows systems. We've been trying to
reproduce and debug this for a while now, and it's looking like it's not
a SETI@home bug at all. It's a completely
unrelated VIRUS!!!
Not just a virus, but I believe it's the hybris-b virus, which got
spread around recently via an e-mail regarding "Snow White" or
something or other. In any case, if you are experiencing this problem,
get your latest anti-virus updates and clean your system! Some of the
users who I've been working with regarding this problem found this virus
and haven't had a problem since - I haven't heard back from the other
users yet.
What's shocking to me, if this indeed is the cause of the problem, is
how many systems have been contaminated!! Wow.
- Matt - SETI@home
Finally...
The team shakeup is not over yet. One of the team members who left a
couple of days ago (Support AIDS Research) was apparently
inadvertent, and they are now back. SAR now claims the #1
spot, and knocks everyone else in the team down a notch! It still be
a couple more days until things finally settle down, and maybe then I will
have an idea on how far off #1 will be off and how TLC is comparing to
KWSN. TLC moved back into the #2 spot yesterday, but #1 may be a bit
off again. I guess we will have to wait and see.
Hard work, enthusiasm
and courtesy in one package...a minion speaks.
There has been a lot of forum heat generated lately with
various people coming and going for various reasons - some better put and
more believable than others. But I still stand by the principle that you
can drift in as you please and likewise drift out - just don't expect
everyone else to like it or be as laid back as me. Many people have
pointed out that it's not so much your WU tally that counts but how you
conduct yourself as a contributor to helping others and making this an
interesting and 'fun' place to be. Yes I'm a little naive and innocent but
it keeps me from being too cynical about the 'competition'.
So please spare a thought for zAmboni
(who has invested far more than any of us) and the pressure that this
place puts him under. Keeping this page fresh, correlating mounds of
stats, moderating the boards, unofficially Captaining the team and trying
not to get too disheartened as situations unfold is a lot to put on one
person. Yes, we volunteer freely and could stop anytime but you know it is
just not that simple when this place starts to feel like home and you get
to know people. I feel it and I'm tucked safely away in a quiet
benchmarking backwater. zAmboni
dedicates a staggering amount of time to this venture and I hope you all
say a quiet mental 'thankyou' as you read this. I think that'll do from me
for a while. I return you back to normal service.
Max out.
Changes At The Top
Has it been a week already? I guess it has.
One look today at the member charts will show that there
has been some big changes in the team makeup in the past two days. A
heaping handfull of top members on the team have left, and as a result,
TLC is no longer the #1 team in the S@H project. Here is a list of
members who have left in the past two days: Antiguru,
Support AIDS Research, www.care.org,
Admins spend CPUs, Krell,
Wireless Digital Intelligence, nop,
Runar, Angus,
and mr_mann. The majority of the list
who left have joined up with the Knights Who Say Ni!. Add them
up. That is a loss of over a million work units from TLC. I'm
not sure what will be come of X-mas Gift From
Antimoses, but I wouldn't expect for that account to stick around
either.
For the most part (with the exception of Admins spend CPUs
and maybe Angus), they were a pretty tight knit group of members, so it
isn't surprising that if one of them left, the others would follow.
Why did they leave? I really have no clue. There are hints
that they weren't having "fun" anymore on TLC, and decided that
they wanted to move on. Recently in the Distributed
Forums an internal contest of sub teams was started to foster some
type of team competitions. I honestly haven't been following the
threads that much, and there may have been a small amount of dissention in
there. But just from a cursory glance there didn't seem to be that
much dissention to cause a mass exodus from the team.
Krell, Antimoses, and mr_mann have all been valuable
members, good help on the forum, and a good conversation on the IRC
channel. I am sorry to see them leave, but I wish them well wherever
they end up. Hey, at least I have moved up 8 spots in the last two
days! :)
With the fallout, I am actually happy to see some of the
die hard TLC members who have been through thick and thin claiming the top
spots on the team now. The top 5 on the team now are: 1) svdsinner,
2) Memnoch, 3) Vomesh,
4) C. Eric Smith, and 5) Knight.
They have been here through thick and thin, and will be here for the long
run :).
Where Are We Now?
Here is a list of the teams after the fallout:
| Team |
Work Units |
| Sun Microsystems |
3105779 |
| SGI SETI |
2677223 |
| Team Lamb Chop |
2667897 |
| KWSN |
2516668 |
| Compaq |
2400662 |
TLC has dropped down to the #3 spot in the overall
standings. It shouldn't take too long to retake the #2 spot, I would
say a couple of days. Right now with the switching of members over
to KWSN the #2 position will not last for too long. With their new
members KWSN will be out producing TLC by quite a bit, and they will
probably pass us in a couple of weeks.
Version 3.03 Transition
The S@H guys have updated the text
client download page, with some useful information to most.
First off there looks to be a table showing which client you should use
for the operating system that the user will be running. It looks
like they have pared down the number of different clients, and some now
have multiple functionalities. The second thing of note on the page
is for the client transition. Here is what they have to say about
it:
The transition to v3.03 is now in
progress. All previous versioned clients should be receiving either
upgrade warning messages, or version is obsolete messages. Porting of
v3.03 clients continues and there will be additional v3.03 clients
available on this page in the near future. Thank you for your patience.
To verify your client version:
./setiathome -version
Clients previous to version 3.03 will probably
be turned off completely by about 2001-01-31 (31 January 2001).
The warnings for the client transition has started
already. Using SetiQ right now, I don't really see the warning
messages :). Seeing that they are expecting to complete the
switchover by the end of the month, I hope that there will be an update
for SetiQ before the switchover happens. If that doesn't happen, I
may have to switch to a different caching program.
It is going to be interesting to see the fallout over the
client transition. There may be alot of people (on all teams) that
will quit production rather than switch over to the new clients. It
is also going to slow down the different races in the stats. It may
slow down our overtaking of SGI and Sun, but I guess we will find out
sooner or later.
Bunch o' News Today
I have been a bit lax on keeping up with the news, so there is going to be
a big update today :). First off is a new entry on the tech
news page on the S@H site.
January 8, 2001
Over the past several weeks, and
especially last weekend, hardware problems on campus have been affecting
the router which carries the SETI@home traffic. These problems cause
large dips in our maximum bandwidth allowance, and therefore we've been
dropping many connections to our server. Central campus is committed to
fixing this problem as soon as possible.
Warning Out To Clients
Already?
There has been talk of the Berkeley guys already rejecting results from
older 2.04 clients. I am not sure of the details of this since I
haven't been running any of these clients. It does make me wonder
how they are going to handle the shutdown of the pre 3.03 clients.
If you take a look at their text
client download page, you may notice that there are a bunch of
clients that haven't even been updated to version 3.00 vintage.
Which of these clients will no longer be supported? I have no clue,
and there isn't any work on their site about how things will be
handled. The Berkeley guys wanted to have things switched over
to v3.03 completely "in a few weeks" but how can they do that if
many of the older clients aren't updated yet? To fully switch over
to all version 3.03 clients, they will have to shut down the old data
server DNS, and this would affect ALL pre version 3.03 clients. I
cant see them doing a full switch over till all pre 3.03 clients are
updated to version 3.03. But again, who knows what they are thinking
out there.
Problem with v3.03?
I saw this post on the alt.sci.seti newsgroup a couple of days ago from Matt
Lebofsky, and this may or may not apply to you. Some
people (only a few though) have reported a problem, that they may need
your help in solving. I'll let Matt tell you about it:
Hello, Everybody!
So we're getting reports from windows users using the new 3.0x clients
saying that multiple random directories on the machines are getting
peppered with state.sah and key.sah files. Sometimes it's not so bad - a
couple of extra files. Sometimes it's appearing in over a thousand
directories, including on the desktop and in the start menu, etc.
I am usually in charge or tracking this stuff down, and am wholly unable
to reproduce this bug on any windows machine in my possession. Nor have
I seen with my own eyes a machine with this problem.
So I have a question or two:
1) Have you seen this behavior?
2) If so, do you know why it happened?
3) Have you seen this behavior in clients earlier than 3.0?
4) Have you seen this behavior in software other than SETI@home?
Something like this would normally be a show-stopping bug, but only one
or two people report it a day, and as I said, I can't reproduce it. My
guess it's some klunky virus-checking or disk defrag type software
that's not properly handling open files (the key.sah and state.sah files
are constanly opened and closed by the client to save the current state
of progress).
Any info would be vastly appreciated.
Matt - SETI@home
[email protected]
I personally haven't seen this behavior or have heard of
any others, bit if you have seen anything like this contact them with some
info.
Site Stuff
i did alittle housekeeping with the site today. First off I expanded
the charts from members 3200 through 3800+. WIth the new influx of
members, a couple more pages needed to be added. I also archived
December's news and pared things down on this page. Finally I have
updated the weekly stats for the
past week. Check them out if you must!
TLC: Now and Then
I have just posted something new. At the beginning of the new
millennium, we take a look back at
the last and see how TLC has changed since I first started keeping stats
for the team. It is a graphical interlude into the past. Over
the past year I have just been amazed at some of the progress the team has
made, and looking at the graphs made my jaw drop even more. Take
a look for yourself and see how a team with such humble beginnings
was able to rise to be the cream of the crop! This first part
of two takes a look at the team as a whole and its progress over the past
year or so, hopefully in a couple of days I will have a member Now and
Then also. Keep an eye out for that!
Welcome!
I would like to welcome all of the new members to the team in the past
day. I guess all of you weren't driven away by my typo on the Ars
front page yesterday/today. (BTW: thanks to all of you who reminded
me of that via email ;). There needs to be some cleanup on the
front page here, I will do that soon...heck I want all the new members to
know what has been going on for the past month or so! I'll get on
that ASAP....ok as soon as I finish up some old business. Been
playing System Shock 2 for the past couple of days. It may be bit of
an old title, but it definitely some quality work and a pretty good
game.
v3.03 Mandatory Soon?
I missed this on my brief look through the newsgroups today, but I caught
this in a thread
started by Poof. Here is what Matt
Lebofsky had to say today:
We will start making the version
mandatory starting as early as this week. We need to make some tweaks to
our server to make the version warning messages work properly. We had a
bug where people downloaded 3.03, finished their work unit and sent it
back, and then their version was "obsoleted" by accident. How
annoying. This'll be fixed and tested today or tomorrow. Then the
mandatory upgrade messages will start, and a couple weeks down the line
we're shutting down the old clients by shutting them down at the router
(via a DNS switcheroo).
FYI, over 25% of our current results are coming in from 3.03 clients.
- Matt - SETI@home
Right now I am not sure how queuing programs will handle
the upgrade messages, but I guess soon we all will find out. At
least we have a couple of weeks for Seti Queue to get updated for the
version 3.03 client.

Yea Yea Yea...
It should be 4000 YEARS :). I'm trying to get them to change it on
the front page...
Weekly Stats r Up
Ok they are done *right* this time. Check them out here.
I noticed that the WU chart on the weeklies for last week was incorrect, I
changed the graph and you can check that out here.
I am going to have to do something new with the stats
pages. I have gotten rid of some of the charts that are no longer
needed now we are in the #1 spot. But I need to come up with
something else now :). Ill be working on them soon.
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