Re: filesystem for solid state drives in linux

2009-01-19 Thread Greg Freemyer
Just came across another SSD based paper from M$. http://research.microsoft.com/pubs/76522/tr-2008-169.pdf It discusses deployment issues into servers. Greg On Fri, Jan 16, 2009 at 7:37 AM, Greg Freemyer greg.freem...@gmail.com wrote: For a good technical overview of how a SSD is implemented

Re: filesystem for solid state drives in linux

2009-01-16 Thread Greg Freemyer
For a good technical overview of how a SSD is implemented inside the SSD itself read http://research.microsoft.com/pubs/63596/USENIX-08-SSD.pdf This whitepaper was written prior to the TRIM functionality being implemented in SSDs, so it does not talk about that. But merely says it would be nice

filesystem for solid state drives in linux

2009-01-15 Thread Peter Teoh
Any filesystem can be used for SSD, but some are better suited due to SSD's hardware characteristic, among which is a lack of a moving read/write head. so which are the FS specially written to take advantage of this feature?

Re: filesystem for solid state drives in linux

2009-01-15 Thread Sandeep K Sinha
On Thu, Jan 15, 2009 at 8:41 PM, Peter Teoh htmldevelo...@gmail.com wrote: Any filesystem can be used for SSD, but some are better suited due to SSD's hardware characteristic, among which is a lack of a moving read/write head. so which are the FS specially written to take advantage of this

Re: filesystem for solid state drives in linux

2009-01-15 Thread Peter Teoh
On Fri, Jan 16, 2009 at 7:00 AM, Greg Freemyer greg.freem...@gmail.com wrote: Those articles don't highlight it, but it is my understanding that in the linux vanilla kernel only ext4, vfat, and btrfs (new in 2.6.29 I believe) have been enhanced to make the DISCARD calls. sorrywhat is a

Re: filesystem for solid state drives in linux

2009-01-15 Thread Peter Teoh
On Fri, Jan 16, 2009 at 7:06 AM, andi andi.platsc...@gmail.com wrote: Peter Teoh wrote: Any filesystem can be used for SSD, but some are better suited due to SSD's hardware characteristic, among which is a lack of a moving read/write head. so which are the FS specially written to take

Re: filesystem for solid state drives in linux

2009-01-15 Thread Greg Freemyer
On Thu, Jan 15, 2009 at 10:14 PM, Peter Teoh htmldevelo...@gmail.com wrote: On Fri, Jan 16, 2009 at 7:00 AM, Greg Freemyer greg.freem...@gmail.com wrote: Those articles don't highlight it, but it is my understanding that in the linux vanilla kernel only ext4, vfat, and btrfs (new in 2.6.29 I

Re: filesystem for solid state drives in linux

2009-01-15 Thread Peter Teoh
thank you.but then i don't really understand...please help me out: quoting from the article: At the lower levels, groups like the T13 committee (which manages the ATA standards) have created protocol extensions to allow the host computer to indicate that certain sectors are no longer in use;