Re: NetBSD & SSDs (without TRIM)

[David Brownlee <abs%netbsd.org@localhost>]

On 21 December 2011 17:53, Michael van Elst <mlelstv%serpens.de@localhost> 
wrote:
> abs%absd.org@localhost (David Brownlee) writes:
>
>>In its absence I was wondering if there are any tasks that could be
>>occasionally run to make the drive's
>>life easier, such as filling all empty space on a disk with all 1's
>>data (working on the assumption that
>>the flash's natural behaviour of erasing to all 1s is reflected
>>through to the data).
>
> I doubt that the drive treats writing a sector full of 1's as an
> implicit TRIM operation.

My thought was that if it needs to reuse the sector then a sector full
of all 1s should just need a write rather than a full erase-write
cycle