[Discuss] SSD drives vs. Mechanical drives

[Jerry Feldman]

On 05/07/2014 12:37 PM, Richard Pieri wrote:
> Bill Bogstad wrote:
>> Power failure vs. forced power off.   Is there a difference from the
>> prospective of an SSD?
> Not really. Loss of power is loss of power regardless of the cause.
>
>> Moving this conversation in a slightly different direction. Does 
>> anybody know how to tell a generic SSD to go into a consistent state?
> I don't think so, at least not with consumer grade kit. Enterprise grade
> drives will either honor sync requests or have the batteries to ensure
> that data is written properly in case of power loss. Consumer drives
> don't have BBUs, and they lie about sync completion.
>
Why do they lie about sync completion.

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
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