[clug] best filesystem for solid state drive? [SEC=UNCLASSIFIED]

[Roppola, Antti - BRS]

Paul Wayper wrote:

>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?

>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.

As I understand it, noatime is quite important and why FAT is so
popular. You don't want
to be writing atime to the data each time it gets read as it will cause
the device to wear out:

http://en.wikipedia.org/wiki/CompactFlash
} Flash memory, regardless of format, can take only a limited number of
erase/write cycles
} to a particular "block" before that block can no longer be written.

Cheers,

Antti


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