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Re: Forming drives together into a cache hierarchy



Kevin Ross:
> 
> Using an SSD as a cache for a hard drive isn't a good idea, since
> SSD's are orders of magnitude slower in writing than hard drives are.

That strongly depends on the model. Intel SSDs are significantly faster
than traditional hard disks when doing random writes. Other SSDs are
better at sequential writes and outperform hard disks in that area.

> Here's a great article giving you more info than you probably ever
> wanted to know about the various flavors of SSDs:
> http://www.anandtech.com/storage/showdoc.aspx?i=3531

There's also a recent follow-up:
http://www.anandtech.com/storage/showdoc.aspx?i=3631

J.
-- 
I think the environment will be okay.
[Agree]   [Disagree]
                 <http://www.slowlydownward.com/NODATA/data_enter2.html>

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