Re: Is TRIM/DISCARD going to be a performance problem?

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On Mon, May 11, 2009 at 4:06 AM, Jörn Engel <joern@xxxxxxxxx> wrote:
>
> I am not sure about this part.  So far Intel has been the only party to
> release any information about their dark-grey box.  All other boxes are
> still solid black.  And until I'm told otherwise I'd consider them to be
> stupid devices that use erase block size as trim granularity.

Consider yourself informed otherwise: I can't imagine a vendor
brain-dead enough to require that.  It's the same thing as requiring
that the only way to re-write an LBA is to re-write all LBA's in the
same erase block.

Note that Fusion-io supports "discard" in their released 1.2.5 drivers.

Chris
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