Re: big machines running Debian?

cores and lots of RAM and plenty of disk. We're running a Dell R905 server: four quad-core CPUs, 128GB RAM, with an attached Dell Powervault storage system running off Dell's PERC 6/E controller. This basically Just Works under Debian Etch (and, I suspect, Lenny too). Dave. -- Dave Ewart da

Anyone using Dell Poweredge R905?

the word of someone who has already tried this with Debian... I'm planning on getting a four quad-core Opteron version with 128GB RAM for some statistical analysis applications. Success stories (and horror stories) welcome! Thanks, Dave. (Cross-posted to debian-amd64 and debian-user) -- Dave

Re: Anyone using Dell Poweredge R905?

On Monday, 06.10.2008 at 09:55 -0400, Damon L. Chesser wrote: On Mon, 2008-10-06 at 14:46 +0100, Dave Ewart wrote: Is anyone else using a Dell Poweredge R905 with Debian? You might also want to post on Dells linux user list as well: http://lists.us.dell.com/mailman/listinfo/linux

Opinions sought regarding RAID controller behaviour

around the symptoms by using UUID labels, but I'm still interested in opinions as to where the problem lies. Opinions, please! Thanks, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD

Re: Opinions sought regarding RAID controller behaviour

put Etch on the machine, then. I've found it impossible choosing suitable search terms for finding out more about this: raid, individual disks, component disks, etc. Cheers, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University

Re: install Etch with raid level 10

can approach the installation in the same way, actually. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc

Re: Why daily builds on the installer page for testing point to sid?

stable, the next testing codename will be Lenny, I believe. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac

Re: nvidia driver

conflicting means of handling the files (i.e. Debian packaging and Nvidia 'packaging'). Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http

Re: performance of AAC-RAID (ICP9087MA)

. Given the nature of our setup, with lots of systems running on UPSen, I'm happy to use 'async' for NFS, which obviously helps hugely. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD

Re: max_interrupt_work: forcedeth module parameter to fix too many iterations (6) in nv_nic_irq error

On Monday, 21.08.2006 at 10:08 +0100, Dave Ewart wrote: I've been seeing the error: Aug 18 21:24:59 titan kernel: eth-gig1: too many iterations (6) in nv_nic_irq. Interesting, having introduced /etc/modprobe.d/forcedeth containing: options forcedeth max_interrupt_work=15 when the system

Re: Put AMD64 server in production on corporation about with 4000 users

to help decide whether this is a good idea for you or not. If you don't know why it might be helpful, then I'd suggest *not* migrating your servers. Why do you think it might be helpful? Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford

Re: max_interrupt_work: forcedeth module parameter to fix too many iterations (6) in nv_nic_irq error

On Tuesday, 22.08.2006 at 12:49 +1000, Alexander Samad wrote: On Mon, Aug 21, 2006 at 12:50:15PM +0100, Dave Ewart wrote: On Monday, 21.08.2006 at 19:43 +1000, Alexander Samad wrote: install forcedeth /sbin/modprobe --ignore-install forcedeth ; /usr/sbin/ethtool -s eth0 wol umbg

max_interrupt_work: forcedeth module parameter to fix too many iterations (6) in nv_nic_irq error

. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518, W 1.2016 signature.asc Description

Re: max_interrupt_work: forcedeth module parameter to fix too many iterations (6) in nv_nic_irq error

circumstances is it helpful? Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518, W 1.2016 signature.asc

Re: Commercial programs in Debian

side-effect, rather than a goal, in my opinion. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N

Re: Mixed system: which way better?

. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518, W 1.2016 signature.asc Description

Re: AMD64 installer with megaraid driver?

an old i386 installer with this, but that's about it. Anyone know if such a thing exists? If not, any good tutorials on adding your own kernel to an existing ISO? There's a netinst image here which may help: http://tinyplanet.ca/~lsorense/amd64/ Dave. -- Dave Ewart [EMAIL PROTECTED

Re: Adaptec 2230SLP RAID (aacraid): how to install Sarge/AMD64

On Thursday, 09.02.2006 at 14:10 -0500, Lennart Sorensen wrote: On Thu, Feb 09, 2006 at 11:28:21AM +, Dave Ewart wrote: Ah, interesting. Thanks for the reply, Jo. sarge-amd64-2.6.12-netinst.iso 08-Sep-2005 14:39 I think I might have tried that one: have you used that one

Re: Adaptec 2230SLP RAID (aacraid): how to install Sarge/AMD64

dependancies, insmod does not. Hmmm: I actually tried 'modprobe' earlier and found that it didn't find the module at all... Still, doesn't matter now: system is up and running... Thanks, Lennart... Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer

Adaptec 2230SLP RAID (aacraid): how to install Sarge/AMD64

is not detected). Any recent kernel should support this setup, so once installed I'll be fine: I just need an *installer* which has enough support to get me started. Any ideas, people? Thanks, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford

Re: such a good news about flash...!!!

://www.bbc.co.uk/cbeebies/ only, for my daughter- it is the only thing stopping me having a completely pure 64-bit system. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370

Re: Suggestions for a new AMD64 system

On Wednesday, 23.11.2005 at 23:53 +1100, Hamish Moffatt wrote: [...] With modern RAM prices, hopefully you're hardly using the swap anyway. Even with lots of RAM, performance can be improved by having swap of course. Even if it's rarely used. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing

Re: Temporary 'lock-up' under heavy write, MegaRAID RAID-5

? Would you suggesting using a different controller in this case? Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox

Re: Temporary 'lock-up' under heavy write, MegaRAID RAID-5

, at least in a non-destructive way. Cheers, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518, W

Re: Temporary 'lock-up' under heavy write, MegaRAID RAID-5

On Wednesday, 09.11.2005 at 10:46 +, Dave Ewart wrote: System: 4-way Opteron, generic Debian Sarge AMD64 RAID controller: LSI Logic MegaRAID 320-1, 64MB cache RAID config: Three 146GB 15K SCSI/320 disks, RAID-5 Kernel: 2.6.14 SMP, includes megaraid driver

Temporary 'lock-up' under heavy write, MegaRAID RAID-5

(64MB vs. files of 100s of MB). I understand the potential data-loss implications of using write-back. Thoughts/comments on changing to write-back in these circumstances? Any other suggestions or reports of similar experiences? Cheers, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager

Re: Building amd64/k8 kernel from 32-bit userspace

On Wednesday, 26.10.2005 at 12:18 +0100, Dave Ewart wrote: [...] However, when I try to install this for the host system, this error occurs: # dpkg -i kernel-image-2.6.12_+davee.1.0_amd64.deb dpkg: error processing kernel-image-2.6.12_+davee.1.0_amd64.deb

Unofficial amd64 kernel images?

, Sid or Experimental repositories have any other amd64-k8 kernels. Thanks in advance for any pointers, Dave. - -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http

Re: Building amd64/k8 kernel from 32-bit userspace

On Tuesday, 25.10.2005 at 10:56 +0100, Dave Ewart wrote: On Tuesday, 25.10.2005 at 11:36 +0200, Goswin von Brederlow wrote: The recommended (and only user friendly) way to build a 64bit kernel is a 64bit userland. For i386 users that means installing the existing 64bit kernel, create

Re: Building amd64/k8 kernel from 32-bit userspace

here, I will dispute your remark above which says That way it all just magically works. :-) Thanks again, Goswin, much appreciated. Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD

Re: Building amd64/k8 kernel from 32-bit userspace

On Monday, 24.10.2005 at 23:01 +0100, Paul Brook wrote: On Monday 24 October 2005 22:35, Max wrote: Dave Ewart wrote: Is it because I have a 32-bit i686 userspace and this is considered cross-compiling or something?? From old version of FAQ: === *Crosscompiling a 64bit

Re: Building amd64/k8 kernel from 32-bit userspace

in it. I guess that for *subsequent* kernel rebuilds, this will be easier, since I'll have a running 64-bit kernel :-) Thanks Goswin Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94

Building amd64/k8 kernel from 32-bit userspace

3.3.5 Any hints gratefully received. Cheers, Dave. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518

Re: Building amd64/k8 kernel from 32-bit userspace

. -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer Epidemiology Unit Cancer Research UK / Oxford University PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 Get key from http://www.ceu.ox.ac.uk/~davee/davee-ceu-ox-ac-uk.asc N 51.7518, W 1.2016 signature.asc Description: Digital

Re: Debian/Ubuntu/Redhat which is better for heavy duty computations?

that there would be any different ... they just package the applications. If you're concerned about performance, I'd suggest using Debian and then using apt-build to rebuild specific, key applications optimized for your architecture. Dave. - -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Cancer

Re: Sundials

to East? Dave. - -- Dave Ewart [EMAIL PROTECTED] Computing Manager, Epidemiology Unit, Oxford Cancer Research UK PGP: CC70 1883 BD92 E665 B840 118B 6E94 2CFD 694D E370 -BEGIN PGP SIGNATURE- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFCKIqRbpQs/WlN43ARAk4gAJ9taGdan+UcGEpoW+kl9dc8lpJYAwCg3vhf