Re: [Beowulf] A bit OT - scientific workstations - recommendations

2006-03-10 Thread Andrew M.A. Cater
On Fri, Mar 10, 2006 at 09:39:50PM +, John Hearns wrote: On Fri, 2006-03-10 at 14:47 -0500, Douglas Eadline wrote: I have heard stories about some of the first vacuum tube computers where a a full time technician walked around inside the computer and replaced blown out tubes -

Re: [Beowulf] Clusters and Distro Lifespans

2006-07-22 Thread Andrew M.A. Cater
Robert G. Brown wrote: On Fri, 21 Jul 2006, Jim Lux wrote: That's sort of the model, though.. Except with the disk drive built in. There ARE small network attached storage devices available, intended for the home server market, but last time I looked (about a year ago), they all seemed to

Re: [Beowulf] 'liquid cooled' racks

2006-12-05 Thread Andrew M.A. Cater
On Mon, Dec 04, 2006 at 09:13:38AM -0600, Eric Shook wrote: Hi Bruce, Our University is also looking into these racks. We have also looked at other vendors with similar liquid cooling and something called Spraycool technology (limited in deployment) among others. I would also be

Re: [Beowulf] SATA II

2006-12-05 Thread Andrew M.A. Cater
On Tue, Dec 05, 2006 at 12:07:36PM -0500, Mark Hahn wrote: 1-Regarding OS, is Fedora Core 64bit a good option for AMD Athlon 64 X2 4200+? sure. distros are just desktop decoration, and anything recent will perform equally well. you do probably want 64b, but that's not rare. Think

Re: [Beowulf] OT: some quick Areca rpm packages for interested users

2006-12-28 Thread Andrew M.A. Cater
On Wed, Dec 27, 2006 at 10:10:15PM -0500, Yaroslav Halchenko wrote: If you are a Linux Weekly News subscriber (and if you're not you probably should be, it's a great news resource) you can read about it here (should be resource is great indeed. forcing them me to pay money for the

Re: [Beowulf] Which distro for the cluster?

2006-12-28 Thread Andrew M.A. Cater
On Fri, Dec 29, 2006 at 09:39:59AM +1100, Chris Samuel wrote: On Friday 29 December 2006 04:24, Robert G. Brown wrote: I'd be interested in comments to the contrary, but I suspect that Gentoo is pretty close to the worst possible choice for a cluster base. Maybe slackware is worse, I

Re: [Beowulf] Win64 Clusters!!!!!!!!!!!!

2007-04-10 Thread Andrew M.A. Cater
On Tue, Apr 10, 2007 at 03:45:19PM -0400, Robert G. Brown wrote: I must say, though, that you have the wrong idea about scientists. My kids regularly make fun of my near-complete lack of hair, not it excessive length...;-) rgb Sorry, we based our ideas on Greg Lindahl :) Once again,

Re: [Beowulf] SGI to offer Windows on clusters

2007-04-16 Thread Andrew M.A. Cater
On Sun, Apr 15, 2007 at 10:01:58PM -0500, Mike Davis wrote: Joe is right about the stability factor. Stability, stability, stability. Mike Davis Debian: released every 18 months - two years. Guaranteed to support previous version for a year after release. Seamless upgrade path -

Re: [Beowulf] SGI to offer Windows on clusters

2007-04-16 Thread Andrew M.A. Cater
On Mon, Apr 16, 2007 at 09:39:44AM -0700, Greg Lindahl wrote: On Mon, Apr 16, 2007 at 06:44:47AM +, Andrew M.A. Cater wrote: 17,740 packages in Debian main. Pure 64 bit distribution. Some Beowulf-type software already packed. Runs out of the box on Alpha/Sun/AMD64 (and will deal

Re: [Beowulf] Linux laptops, and M$ advertisement

2007-04-16 Thread Andrew M.A. Cater
On Mon, Apr 16, 2007 at 02:22:59PM -0400, Peter St. John wrote: Be all that as it may, Im wondering what laptop to get. There are two issues: one, that it used to be scary to get all the device drivers for linux (maybe not anymore); and two, that one would prefer not to pay the tax

Re: [Beowulf] SGI to offer Windows on clusters

2007-04-16 Thread Andrew M.A. Cater
On Mon, Apr 16, 2007 at 04:35:27PM -0400, Robert G. Brown wrote: On Mon, 16 Apr 2007, Joshua Baker-LePain wrote: On Mon, 16 Apr 2007 at 2:12pm, Robert G. Brown wrote Try installing two year old Centos AT ALL on six-month-old hardware, and I think that there is a very high probability that

Re: [Beowulf] Linux laptops, and M$ advertisement

2007-04-17 Thread Andrew M.A. Cater
On Tue, Apr 17, 2007 at 12:20:03PM -0400, Jeffrey B. Layton wrote: _Real_ rocket scientists use a pencil, paper and slide rule if they don't have access to an analog artillery ranging computer :) (And possibly HTP and kerosene :) ) [My grandfather was a British rocket scientist and later a

Re: [Beowulf] Parallel Development Tools

2007-10-23 Thread Andrew M.A. Cater
Subject: Re: [Beowulf] Parallel Development Tools On Wed, Oct 17, 2007 at 08:59:41PM +0200, Jon Tegner wrote: Robert G. Brown wrote: Fedora installs in the future will be done by yum. Yum enables something that is truly marvelous for people who have to install through thin pipes (e.g. DSL

Re: [Beowulf] Tips for diagnosing intermittent problems on a small cluster

2007-11-25 Thread Andrew M.A. Cater
On Thu, Nov 22, 2007 at 01:53:04PM +0100, Jürgen Kabelitz wrote: Hi, We had the same problems with a cluster of 40 nodes. The motherboard has problems with great IO. We have some test programs they used only the cpu and make no or less IO. These programmes runs and runs. But when you

Re: [Beowulf] Code vs. Codes

2008-04-01 Thread Andrew M.A. Cater
On Tue, Apr 01, 2008 at 12:57:10AM -0400, Eric Moore wrote: Jon Forrest [EMAIL PROTECTED] writes: I found this: This German Flag Officer is to be accompanied by a Communications Officer who is familiar with the German Naval W/T organization and who is to bring with him the current

Re: [Beowulf] MS Cray

2008-09-18 Thread Andrew M.A. Cater
On Wed, Sep 17, 2008 at 11:54:35AM -0400, Joe Landman wrote: A few questions (not necessarily expecting a response): POSIX? VERBS? Kernel latency and scheduler control? Don't mistake me for a w2k8 apologist. I reamed them pretty hard on the lack of a real posix infrastructure (they

Re: [Beowulf] Newbie Question: Racks versus boxes and good rack solutions for commodity hardware

2008-12-14 Thread Andrew M.A. Cater
On Sat, Dec 13, 2008 at 05:18:04PM +0530, arjuna wrote: Hello All, Thank you for your detailed responses. Following your line of thought, advice and web links, it seems that it is not difficult to build a small cluster to get started. I explored the photos of the various clusters that have

Re: [Beowulf] Newbie Question: Racks versus boxes and good rack solutions for commodity hardware

2008-12-15 Thread Andrew M.A. Cater
On Sun, Dec 14, 2008 at 11:30:19PM -0500, Robert G. Brown wrote: On Sun, 14 Dec 2008, Geoff Jacobs wrote: Yes, it is possible to kill yourself with low voltage. You have to really work at it and/or be unlucky, but it can be done. A DC resistance from leg to arm of 100 ohms or so is hard to

Re: [Beowulf] Re: What is the right lubricant for computer rack sliding rails?

2009-02-11 Thread Andrew M.A. Cater
On Wed, Feb 11, 2009 at 05:39:23PM +0100, Kilian CAVALOTTI wrote: On Monday 09 February 2009 21:37:23 David Mathog wrote: The uber-pile is a bit of a straw man. I'm pretty sure that a 40U stack of (typical) 1U or 2U servers would squish the one(s) on the bottom, Absolutely. At Stanford, I

Re: [Beowulf] Rackable / SGI

2009-04-04 Thread Andrew M.A. Cater
On Fri, Apr 03, 2009 at 08:15:06PM -0400, Joe Landman wrote: Mark Hahn wrote: from my position, XFS was a semi-fringe option for people who distrusted ext3 for some reason. (and there were a few solid ones, mainly just 8TB.) going forward, I expect to use ext4 I wouldn't use ext3 for

Re: [Beowulf] Rackable / SGI

2009-04-05 Thread Andrew M.A. Cater
On Sat, Apr 04, 2009 at 01:50:59PM -0500, Matt Lawrence wrote: On Sat, 4 Apr 2009, Andrew M.A. Cater wrote: Interesting. Since I'm stuck using Red Hat and IBM, I've been hit by this on a 10TB storage shelf. Red Hat will only offer me ext3 and 8TB. IBM storage on a Megaraid card which handles

Re: [Beowulf] Repenting for sins against Dell (on good Friday, no less)

2009-04-18 Thread Andrew M.A. Cater
On Fri, Apr 10, 2009 at 12:18:06PM -0400, Mark Hahn wrote: I'd like to add that Dell's DKMS (Dynamics Kernel Management System) is great: http://linux.dell.com/projects.shtml#dkms HP has its own distro, but is still trying to use a traditional approach to making patches patches available.

Re: [Beowulf] newbie

2009-04-21 Thread Andrew M.A. Cater
On Mon, Apr 20, 2009 at 03:53:18PM +0200, Tomislav Maric wrote: ___ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit

Re: [Beowulf] Station wagon full of tapes

2009-05-26 Thread Andrew M.A. Cater
On Tue, May 26, 2009 at 12:26:19PM -0400, Robert G. Brown wrote: On Tue, 26 May 2009, Chris Dagdigian wrote: Yeah, well, stupidity is a universal problem, even in the government...;-) But this is why CBAs and smart people (working together) are so important. _Especially_ in the government

Re: [Beowulf] Re: Ahoy shipmates

2009-10-14 Thread Andrew M.A. Cater
On Wed, Oct 14, 2009 at 11:23:38AM -0700, Greg Lindahl wrote: You guys all read Slashdot, right? http://hardware.slashdot.org/article.pl?sid=08/09/06/1755216 and http://arstechnica.com/hardware/news/2008/01/new-startup-looking-to-set-up-floating-data-centers.ars -- greg

Re: [Beowulf] CentOS plus Fedora kernel?

2009-11-24 Thread Andrew M.A. Cater
On Mon, Nov 23, 2009 at 04:35:34PM -0800, Greg Lindahl wrote: For reasons complicated to explain, I want to run a Fedora kernel on CentOS 5. Does anyone have any words of wisdom or pointers to webpages for people who've done this? -- greg p.s. missed you guys at SC, I was stuck racking

Re: [Beowulf] Forwarded from a long time reader having trouble posting

2009-12-01 Thread Andrew M.A. Cater
On Tue, Dec 01, 2009 at 03:04:32PM -0600, Gerald Creager wrote: A combination of mostly kernel improvements, and some useful middleware as RedHat and by extension, CentOS, seek to get farther into the cluster space. gerry Maybe also some licensing breaks on large volume licensing. Red

Re: [Beowulf] Open Grid Scheduler (SGE)

2011-01-25 Thread Andrew M.A. Cater
On Tue, Jan 25, 2011 at 07:49:30AM +0100, Jonathan Aquilina wrote: Clustering isn't the only one that oracle is doing something with turns out they are also doing something with OpenOffice.org. Its been forked to LibreOffice. Would really love to know what they are up to. There's a

Re: [Beowulf] Good demo applications for small, slow cluster

2013-08-22 Thread Andrew M.A. Cater
On Thu, Aug 22, 2013 at 02:03:57PM -0400, Prentice Bisbal wrote: On 08/21/2013 12:45 PM, Douglas Eadline wrote: Sorts in general.. Good idea. Yes, we'll do a distributed computing bubble sort. Interesting, though.. There are probably simple algorithms which are efficient in a single

Re: [Beowulf] installint MPI 1.x on RHEL 5.4

2014-04-26 Thread Andrew M.A. Cater
On Sat, Apr 26, 2014 at 10:45:05AM +0530, Bhabani Samantray wrote: Hi everyone Can I make beowulf cluster using RHEL 5.4. If I can make then please send me the complete instruction from scratch level. Like what to install, and how to install and what to configure etc... I

Re: [Beowulf] Lifespan of a cluster

2014-04-27 Thread Andrew M.A. Cater
On Sun, Apr 27, 2014 at 09:45:41AM +0100, Jörg Saßmannshausen wrote: Dear all, in some of the discussions here I came across the 'lifespan of a cluster' argument. What I was wondering is: how long is that in HPC for number crunching? Is it 3 years (end of warranty), 5 years (making good

Re: [Beowulf] Gentoo in the HPC environment

2014-06-25 Thread Andrew M.A. Cater
On Wed, Jun 25, 2014 at 11:30:52AM -0400, Joe Landman wrote: On 06/25/2014 09:51 AM, Gavin W. Burris wrote: Hi, Jonathan. Unfortunately, the reality of the HPC code market is that, quite often, the OS required by the application for support is often at odds with what you describe above.

Re: [Beowulf] CentOS/RHEL 7 major upgrades

2015-02-16 Thread Andrew M.A. Cater
On Mon, Feb 16, 2015 at 01:41:18PM +1100, Christopher Samuel wrote: Hiya! On 13/02/15 19:00, Olli-Pekka Lehto wrote: I’d be interested to hear if people have deployed or upgraded CentOS/EL 7 on their clusters and what their experiences are? Also in the more general sense, what kind of

Re: [Beowulf] Docker vs KVM paper by IBM

2015-01-28 Thread Andrew M.A. Cater
On Wed, Jan 28, 2015 at 02:48:33PM -0500, Joe Landman wrote: You do remember this is the Beowulf list, originally comprised of researchers who decided to be their own sysadmins/hardware vendors/etc in order to get their research done, right? Even in today's mainly post-big-iron age,

Re: [Beowulf] CentOS/RHEL 7 major upgrades

2015-02-23 Thread Andrew M.A. Cater
On Mon, Feb 23, 2015 at 07:50:52AM -0500, Michael Di Domenico wrote: On Fri, Feb 20, 2015 at 11:22 PM, Orion Poplawski or...@cora.nwra.com wrote: On 02/13/2015 01:00 AM, Olli-Pekka Lehto wrote: I'd be interested to hear if people have deployed or upgraded CentOS/EL 7 on their clusters and

Re: [Beowulf] cluster os

2016-05-20 Thread Andrew M.A. Cater
On Fri, May 20, 2016 at 09:42:25AM +1000, Christopher Samuel wrote: > On 19/05/16 20:44, Jörg Saßmannshausen wrote: > > > The upgrade in Debian is working really well. You really can > > install a machine once and then you can upgrade it to the latest > > OS without much issues. [...] > >

Re: [Beowulf] cluster os

2016-05-19 Thread Andrew M.A. Cater
On Thu, May 19, 2016 at 06:20:37AM +0200, Jonathan Aquilina wrote: > Good Morning, > > I am just wondering what distribution of choice would one use for their > cluster? Would one go for a source based distro like gentoo or a > precompiled one like Centos7? > I have argued for Debian in the

Re: [Beowulf] recommendations on ARM distro?

2016-05-17 Thread Andrew M.A. Cater
On Thu, May 12, 2016 at 11:26:37PM +0200, jaquilina wrote: > Not wanting to hijack this thread hassle anyone tried to cluster raspi 3's? > What distribution would you recommend for a pi3 cluster?  > Out of curiosity would somethinglike gentoo and it's cross development setup > get you what you

Re: [Beowulf] Mobos for portable use

2017-01-19 Thread Andrew M.A. Cater
On Thu, Jan 19, 2017 at 02:36:22PM +, Lux, Jim (337C) wrote: > This comes up every few years.. > Someone at work was complaining at lunch that the latest laptops have nice > screens but don’t have much memory, largely because they want to keep the > battery size reasonable ("thin is in”)..

Re: [Beowulf] HPE to acquire Cray

2019-05-20 Thread Andrew M.A. Cater
On 20/05/2019 14:45, Alexander Antoniades wrote: > I just wanted to point out that Fedora, while having a lot of volunteers > is primarily driven by Red Hat employees, so I don't think forking it is > a viable option. If you want to get an idea of what forking RHEL/Centos > would be listen to an

Re: [Beowulf] [External] RIP CentOS 8

2020-12-08 Thread Andrew M.A. Cater
On Tue, Dec 08, 2020 at 09:50:13PM +, Jörg Saßmannshausen wrote: > Dear all, > > what I never understood is: why are people not using Debian? > I don't know - I suggested it 20 years ago when rgb launched his Extreme Linux and I use it daily - but not on HPC. I've added some comments on

Re: [Beowulf] [External] RIP CentOS 8 [EXT]

2020-12-09 Thread Andrew M.A. Cater
On Wed, Dec 09, 2020 at 05:59:11AM +, Jonathan Aquilina via Beowulf wrote: > Hi Guys, > > Im probably a bit late to the party. What is going on with CentOS? As I am > not quite understanding whats happening. > > To be fair I am at the point where I am running through my mind the creation >

Re: [Beowulf] [External] RIP CentOS 8 [EXT]

2020-12-11 Thread Andrew M.A. Cater
On Thu, Dec 10, 2020 at 01:17:27PM +, Jonathan Aquilina via Beowulf wrote: > I should give LFS a try but I always tend to get stuck somewhere. > > I need to figure out how to clone the fedora or centos package repos to at > least get myself started I think. > Fedora provide a script to

Re: [Beowulf] [External] RIP CentOS 8 [EXT]

2020-12-11 Thread Andrew M.A. Cater
The problem with forking CentOS (or even just seeking to continue building it) is that you will have all the same issues you have and no-one behind you to help fix them. I work (more or less) as a sysadmin - have done for years - and have been driven to distraction by Red Hat/CentOS at work,

[Beowulf] Just a quick heads up: new Beowulf coming ...

2021-06-20 Thread Andrew M.A. Cater
The folks over at Devuan have chosen to name their next code release (based on upcoming Debian 11) beowulf. I don't think it will impact this list - but you never know. For anyone runnng Debian on HPC / in labs: the latest Debian point release 10.10 was yesterday. Debian 11 should be released in

Re: [Beowulf] AMD and AVX512

2021-06-21 Thread Andrew M.A. Cater
On Mon, Jun 21, 2021 at 09:46:30AM -0400, Joe Landman wrote: > On 6/21/21 9:20 AM, Jonathan Engwall wrote: > > I have followed this thinking "square peg, round hole." > > You have got it again, Joe. Compilers are your problem. > > > Erp ... did I mess up again? > > Here's where awesome compiler

Re: [Beowulf] [EXTERNAL] Re: Deskside clusters

2021-08-25 Thread Andrew M.A. Cater
On Wed, Aug 25, 2021 at 03:35:39AM +, Lux, Jim (US 7140) via Beowulf wrote: > Yeah, but it is quiet enough to put in your office and not drive your office > mate out? > A colleague got hold of 2x 4U servers with 56 cores and stacked them with disk and memory then found a wheeled 9U

Re: [Beowulf] AMD Accelerated Data Center Keynote

2021-11-09 Thread Andrew M.A. Cater
On Tue, Nov 09, 2021 at 12:01:38PM +, John Hearns wrote: > All good Jim. However to be allowed to benchmark these systems you must > pronounce the CPU as "Milawn" > As I said elsewhere, they are getting pretty far north now. Is the plan to > cross the Alps? > You'd have to ask a Hannibal or

Re: [Beowulf] Power Cycling Question

2021-07-17 Thread Andrew M.A. Cater
On Sat, Jul 17, 2021 at 12:43:27AM +0100, Jörg Saßmannshausen wrote: > Hi Doug, > > interesting topic and quite apt when I look at the flooding in Germany, > Belgian and The Netherlands. > > I guess there are a number of reasons why people are not doing it. Discarding > the usual "we never

Re: [Beowulf] naming clusters

2023-03-24 Thread Andrew M.A. Cater
On Thu, Mar 23, 2023 at 03:51:27PM -0700, Christopher Samuel wrote: > On 3/23/23 3:12 pm, Prentice Bisbal via Beowulf wrote: > > > honestly is there any better task for a system admin than coming up with > > good hostnames? > I've never had the honour to name a large cluster. Grandad was a

Re: [Beowulf] Your thoughts on the latest RHEL drama?

2023-06-26 Thread Andrew M.A. Cater
On Mon, Jun 26, 2023 at 02:27:23PM -0400, Prentice Bisbal via Beowulf wrote: > Beowulfers, > > By now, most of you should have heard about Red Hat's latest to eliminate > any competition to RHEL. If not, here's some links: > > Red Hat's announcement: >