[OmniOS-discuss] Samsung SM863

[Richard Elling]

> On Dec 10, 2015, at 12:02 PM, Dave Pooser <dave-oo at pooserville.com> wrote:
> 
> On 12/10/15, 12:13 PM, "OmniOS-discuss on behalf of Richard Elling"
> <omnios-discuss-bounces at lists.omniti.com on behalf of
> richard.elling at richardelling.com> wrote:
> 
>> 
>>> On Dec 10, 2015, at 4:58 AM, Tobias Oetiker <tobi at oetiker.ch> wrote:
>>> 
>>> Just found that samsung now has an ssd with  power loss protection
>>> 
>>> http://www.storagereview.com/samsung_sm863_ssd_review
>>> 
>>> what do you think ?
>> 
>> Power-loss protection is not required (ZFS works on HDDs :-) but it is a
>> nice feature.
> 
> On a device that will likely be used for ZIL, I'd call power-loss
> protection required. HDDs don't lie to the OS about when data has been
> flushed from cache to disk the way SSDs do, right?

You do need a device that honors cache flush commands. But that goes for
any device or RAID array, not just SSDs.
 -- richard

> 
> On a device that's going to be L2ARC I care a lot less, obviously. ;-)
> -- 
> Dave Pooser
> Cat-Herder-in-Chief, Pooserville.com
> 
> 
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