[clug] best filesystem for solid state drive?

[Sanders King]

I found this article very interesting.  It talks about a kind of circular file system suitable for SSDs because it doesn't reuse a 'sector' until it has completely lapped the disk.  However it may only be for S/ATA SSDs; I have no idea whether it would be best for a flash drive.

Cheers

http://www.linux-mag.com/cache/7345/1.html





> Date: Wed, 17 Jun 2009 22:54:41 +1000
> From: paulway at mabula.net
> To: linux at lists.samba.org
> Subject: Re: [clug] best filesystem for solid state drive?
> 
> On 17/06/09 17:56, Michael James wrote:
> > What's the best filesystem to use
> > when bin, boot, lib, etc and usr are on a solid state drive?
> >
> > Ext2 with noatime?
> >
> > I've got an old sever that I'm booting off a compact flash.
> > It also has a SATA drive to hold home, tmp, var, (the big or changing
> > directories).
> >
> > The compact flash root filesystem won't be mounted read only,
> > but isn't intended to be written much.
> 
> ext2 is probably your best bet here - we'll be in flying cars when they give 
> up ext2 support in the kernel, and lack of journal makes it write less to the 
> disk.  Turning on noatime is also a good idea.  Even with modest usage I'd 
> expect your flash to last as long as the disks do.
> 
> Have fun,
> 
> Paul
> -- 
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> linux at lists.samba.org
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