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. [...] > > Agreed,

Re: [Beowulf] cluster os

2016-05-20 Thread John Hanks
I like looking at this: http://imgur.com/8yHC8 and thinking about how many millions of lines of code and thousands of developers and contributors that represents. I once got some good gardening tips from a person who believed woodland fairies came out at night and tended his garden. You can get a

Re: [Beowulf] cluster os

2016-05-20 Thread Michael Di Domenico
On Thu, May 19, 2016 at 5:19 PM, Tim Cutts wrote: > I've always found it curious that many vendors officially only support Red > Hat and friends, but when you ask the engineers, you find they're using > Debian to do the development work. I guess that's just commercial reality > though. it wa

Re: [Beowulf] package management on Debian/Ubuntu (wasn't cluster os)

2016-05-20 Thread Tim Cutts
Yes and no. My rule of thumb has always been to use the packaged version of a software package unless there's a very good reason not to. We maintain a local package repository as well (using debarchiver), so if we need to make a custom version of a Debian/Ubuntu package, we generally make the

Re: [Beowulf] cluster os

2016-05-20 Thread Jörg Saßmannshausen
Hi Jonathan, the only thing I am compiling from source are the HPC programs we are using and also some of the HPC libraries. I want to get the best out of the system and hence I decided to do it this way. Also, some HPC programs are simply only available as source code. So depending how often t

Re: [Beowulf] cluster os

2016-05-20 Thread Jonathan Aquilina
Going a bit off track from upgrades here. In a cluster environment with debian do you spend a fair bit of time compiling anything from source? On 2016-05-20 12:08, Tim Cutts wrote: > In practice, at Sanger we haven't made very heavy use of the ability of > Debian to upgrade from release to rele

Re: [Beowulf] cluster os

2016-05-20 Thread Tim Cutts
In practice, at Sanger we haven't made very heavy use of the ability of Debian to upgrade from release to release. We use FAI to install the boxes, so frankly it's faster and less hassle to just reinstall them from scratch when the next release comes out. For some complicated bespoke systems,