On 15/06/2010 23:46, "Christopher George" <cgeo...@ddrdrive.com> wrote:
>> So why buy SSD for ZIL at all?
>
> For the record, not all SSDs "ignore cache flushes". There are at least
> two SSDs sold today that guarantee synchronous write semantics; the
> Sun/Oracle LogZilla and the DDRdrive X1. Also, I believe it is more
> accurate to describe the root cause as not power protecting on-board
> volatile caches. As the X25-E does implement the ATA FLUSH
> CACHE command, but does not have the required power protection to
> avoid transaction (data) loss.
>
> Best regards,
>
> Christopher George
> Founder/CTO
> www.ddrdrive.com
Often forgotten (most probably due the price) are the latest Pliant SSDs.
--
Przem
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