Re: tools to improve harddisk performance by short-stroking?

2010-10-13 Thread Zhang Weiwu
On 2010年10月10日 05:45, Andrei Popescu wrote: IMVHO, I think at least part of the speed increase is based on the fact that the head(s) *never* travel to the back of the harddisk. A brief search found most of the files on my harddisks are *never* accessed (since the Debian system

Re: tools to improve harddisk performance by short-stroking?

2010-10-13 Thread Zhang Weiwu
I noticed I can find out files that were never accessed after the 1st month I installed my debian without any accounting mechanism but only by atime. In fact, if I pick up a random file on my system, the chance it was never accessed since after 1month of debian installation is a bit higher than

Re: tools to improve harddisk performance by short-stroking?

2010-10-09 Thread Andrei Popescu
On Jo, 07 oct 10, 23:06:52, Zhang Weiwu wrote: Finish reading the article it makes obvious to me that, if this technology is really so powerful, it should have already been implemented in OSes, like Linux, without necessarily abandoning the slow part of hard-disk space but instead put rarely

Re: tools to improve harddisk performance by short-stroking?

2010-10-08 Thread Tom Furie
On Fri, Oct 08, 2010 at 08:33:01AM +0800, Zhang Weiwu wrote: To find out infrequently accessed file you need accounting. To find rarely accessed file you only need to look at atime. How do you determine the atime without accessing the file, or keeping some sort of accounting? How do you update

tools to improve harddisk performance by short-stroking?

2010-10-07 Thread Zhang Weiwu
Thanks to the national holiday (Beijing) I begin to read some article marked for free-time reading a few years ago. One of them is short stroking. http://www.tomshardware.com/reviews/short-stroking-hdd,2157.html The article is awfully long just to give a simple idea: by only using the first 20%

RE: tools to improve harddisk performance by short-stroking?

2010-10-07 Thread owens
Original Message From: zhangwe...@realss.com To: debian-user@lists.debian.org Subject: RE: tools to improve harddisk performance by short-stroking? Date: Thu, 07 Oct 2010 23:06:52 +0800 Thanks to the national holiday (Beijing) I begin to read some article marked for free-time reading

Re: tools to improve harddisk performance by short-stroking?

2010-10-07 Thread Ron Johnson
On 10/07/2010 10:06 AM, Zhang Weiwu wrote: Thanks to the national holiday (Beijing) I begin to read some article marked for free-time reading a few years ago. One of them is short stroking. http://www.tomshardware.com/reviews/short-stroking-hdd,2157.html The article is awfully long just to

Re: tools to improve harddisk performance by short-stroking?

2010-10-07 Thread Zhang Weiwu
On 2010年10月08日 04:03, Ron Johnson wrote: You'd need to add accounting complexity to the kernel (where would it put the accounting data?) I had been too brief, but if you read the article I referred to, it works best only in case you put rarely accessed file to the posterior, not 'infrequently

Re: tools to improve harddisk performance by short-stroking?

2010-10-07 Thread Ron Johnson
On 10/07/2010 07:33 PM, Zhang Weiwu wrote: On 2010年10月08日 04:03, Ron Johnson wrote: You'd need to add accounting complexity to the kernel (where would it put the accounting data?) I had been too brief, but if you read the article I referred to, it works best only in case you put rarely