Re: Solid state disk geometry

2012-06-13 Thread Jens A. Griepentrog
On 06/11/12 19:25, Jens A. Griepentrog wrote: Dear Mailing Listeners, Let me know, please, whether it makes sense to modify disk geometry for solid state disks? no Which meaning have the default values of cylinders, heads, and sectors for these devices? roughly the exact same thing it has me

Re: Solid state disk geometry

2012-06-12 Thread Peter Laufenberg
>On Tue, 12 Jun 2012 18:31:38 +0200 >Peter Laufenberg wrote: > >> >Some SSD controllers use compression > >I wonder if they use the average compression ratio to boost advertised >capacity? Define "average" :) Nah that'd be too obvious given SSDs are often used for video editing. Manufacturers ar

Re: Solid state disk geometry

2012-06-12 Thread Kevin Chadwick
On Tue, 12 Jun 2012 18:31:38 +0200 Peter Laufenberg wrote: > >Some SSD controllers use compression I wonder if they use the average compression ratio to boost advertised capacity?

Re: Solid state disk geometry

2012-06-12 Thread Peter Laufenberg
>On 2012-06-12, Peter Laufenberg wrote: >>>On 06/11/12 19:25, Jens A. Griepentrog wrote: Let me know, please, whether it makes sense to modify disk geometry for solid state disks? >>> >>>If you knew what physical block size your SSD worked with, you might -- >>>MIGHT -- see some benefit

Re: Solid state disk geometry

2012-06-12 Thread Stuart Henderson
On 2012-06-12, Peter Laufenberg wrote: >>On 06/11/12 19:25, Jens A. Griepentrog wrote: >>> Let me know, please, whether it makes sense to modify disk geometry >>> for solid state disks? >> >>If you knew what physical block size your SSD worked with, you might -- >>MIGHT -- see some benefit using t

Re: Solid state disk geometry

2012-06-11 Thread Peter Laufenberg
>On 06/11/12 19:25, Jens A. Griepentrog wrote: >> Let me know, please, whether it makes sense to modify disk geometry >> for solid state disks? > >If you knew what physical block size your SSD worked with, you might -- >MIGHT -- see some benefit using that, but the 4k offsets seem to work >just fin

Re: Solid state disk geometry

2012-06-11 Thread Nico Kadel-Garcia
On Mon, Jun 11, 2012 at 8:05 PM, Nick Holland wrote: > On 06/11/12 19:25, Jens A. Griepentrog wrote: > > Dear Mailing Listeners, > > > > Let me know, please, whether it makes sense to modify disk geometry > > for solid state disks? > > no > > > Which meaning have the default values of cylinders, >

Re: Solid state disk geometry

2012-06-11 Thread Nick Holland
On 06/11/12 19:25, Jens A. Griepentrog wrote: > Dear Mailing Listeners, > > Let me know, please, whether it makes sense to modify disk geometry > for solid state disks? no > Which meaning have the default values of cylinders, > heads, and sectors for these devices? roughly the exact same thing

Solid state disk geometry

2012-06-11 Thread Jens A. Griepentrog
Dear Mailing Listeners, Let me know, please, whether it makes sense to modify disk geometry for solid state disks? Which meaning have the default values of cylinders, heads, and sectors for these devices? As an example, here are my sd1 data: # fdisk sd1 Disk: sd1 geometry: 7783/255/63 [125