Re: LVM write performance

2011-08-30 Thread Dion Kant
On 08/20/2011 12:53 AM, Stan Hoeppner wrote: > On 8/19/2011 4:38 PM, Dion Kant wrote: > >> I now think I understand the "strange" behaviour for block sizes not an >> integral multiple of 4096 bytes. (Of course you guys already knew the >> answer but just didn

Re: LVM write performance

2011-08-19 Thread Dion Kant
On 08/14/2011 02:30 PM, Dion Kant wrote: > On 08/14/2011 01:23 PM, Dion Kant wrote: >> Forget >> about the previous results, they will be wrong because of libgcc stream >> buffering and I did not check how these buffers are actually written to >> kernel space. > libg

Re: LVM write performance

2011-08-14 Thread Dion Kant
On 08/14/2011 01:23 PM, Dion Kant wrote: > Forget > about the previous results, they will be wrong because of libgcc stream > buffering and I did not check how these buffers are actually written to > kernel space. libgcc uses writev to write out an array of buffers to kernel space Use

Re: LVM write performance

2011-08-14 Thread Dion Kant
On 08/14/2011 09:14 AM, Dion Kant wrote: > The good and problematic block sizes do not really coincide with the > ones I observe with dd, but the odd behaviour is there. When testing on Linux kernel 2.6.37.6-0.5-xen, I found that a sync() call did not give any guarantee that the buffe

Re: LVM write performance

2011-08-14 Thread Dion Kant
ofstream("/dev/sdb4", ofstream::binary); I think Stan is right that this may be something in the ahci kernel driver. I have some 3ware controller laying around. I might repeat the experiments with this and post them here if someone is interested. Dion > If my explanation doe

Re: LVM write performance

2011-08-13 Thread Dion Kant
On 08/09/2011 07:13 PM, Stan Hoeppner wrote: > On 8/9/2011 9:12 AM, Dion Kant wrote: > >> Thanks for your remarks. The disk info is given below. Writing to the >> disk is oke when mounted, so I think it is not a hardware/alignment >> issue. However your remarks ma

Re: LVM write performance

2011-08-09 Thread Dion Kant
On 08/09/2011 06:30 AM, Stan Hoeppner wrote: > On 8/8/2011 11:03 PM, Stan Hoeppner wrote: >> On 8/8/2011 2:00 PM, Dion Kant wrote: >>> On 08/08/2011 03:33 PM, Stan Hoeppner wrote: >>>> On 8/8/2011 1:25 AM, Dion Kant wrote: >>>>> Dear list, >>&

Re: LVM write performance

2011-08-08 Thread Dion Kant
On 08/08/2011 03:33 PM, Stan Hoeppner wrote: > On 8/8/2011 1:25 AM, Dion Kant wrote: >> Dear list, >> >> When writing to a logical volume (/dev/sys/test) directly through the >> device, I obtain a slow performance: >> >> root@dom0-2:/dev/mapper# dd of=

LVM write performance

2011-08-07 Thread Dion Kant
, 122 MB/s Does anyone know what is going on? The configuration is as follows: Debian 6.0.2 Kernel 2.6.32-5-xen-amd64 Tests are on a partition on one physical disk Best regards, Dion Kant -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe"

Re: setting firefox as default kde webbrowser

2006-06-16 Thread Dion Le Blanc
Andreas Berglund wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Dion Le Blanc wrote: >> Andreas Berglund wrote: >> >> >>>-BEGIN PGP SIGNED MESSAGE- >>>Hash: SHA1 >>> >>>Hi! >>>I have set firefox

Re: setting firefox as default kde webbrowser

2006-06-16 Thread Dion Le Blanc
Andreas Berglund wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Hi! > I have set firefox as the default webbrowser but everytime I click a > http link a konqueror window is opened before firefox. Is there anyway > to avoid that? > > My kde version is 3.3.2 and my firefox version is

new user

2006-03-10 Thread Dion
I love sarge ,   having trouble connecting BBand to my linux box , wish my sarge box would run wifi to my windows laptop .   advice?   thank you debian people everywhere    

Re: SVGALib

1999-07-23 Thread Chris Dion
dev-faq-2.html. I recommend GGI (General Graphics Interface - http://www.ggi-project.org) as an excellent alternative to svgalib that doesn't suffer from the same limitation. Chris Dion

Re: cold fusion & linux

1999-07-20 Thread Chris Dion
I've heard of a product called 'php' which is supposed to be good, but don't have any experience using it. FAQ is at http://www.php.net/FAQ.php3 Chris Dion Benjamin E Frame wrote: > > I'm a big fan of Linux w/Apache, but at work we use Allaire's Co

the dselect debate

1999-07-20 Thread Chris Dion
vailable? If so, I'd like to take some of the suggestions and concerns voiced on this list and have a go at improving the tool. That's assuming my programming skills are up to the task ; ) Thanks in advance, Chris Dion

floppyless installation

1999-07-12 Thread Chris Dion
Thanks to John Foster and Kent West for their help. When I used ftp to download the instalation images, everything worked perfectly. Chris Dion

floppyless installation problem

1999-07-12 Thread Chris Dion
didn't help. Oddly enough, I used this method to install Linux on my computer a couple months ago, and it worked like a charm. Is it possible the the image file on the web site is corrupt? Thanks, Chris Dion

Solved: Fujitsu Dynamo errors

1998-12-29 Thread Dion Hollenbeck
>> hollen writes: dion> I just bought a Fujutsu DynaMO 640SE magneto optical disk and am dion> having trouble getting it to work. Several people were helpful in solving this problem. First (and what I already knew) was obtaining the patches for 2048 byte sectors for the kernel