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Re: [zfs-discuss] ZFS in S10U6 vs openSolaris 05/08

Subject: Re: [zfs-discuss] ZFS in S10U6 vs openSolaris 05/08
From: Richard Elling
Date: Tue, 27 May 2008 11:53:17 -0700
Rob Logan wrote:
>  > There is something more to consider with SSDs uses as a cache device.
> why use SATA as the interface? perhaps
> http://www.tgdaily.com/content/view/34065/135/
> would be better? (no experience)
>
> "cards will start at 80 GB and will scale to 320 and 640 GB next year.
> By the end of 2008, Fusion io also hopes to roll out a 1.2 TB card.....
> 160 parallel pipelines that can read data at 800 megabytes per second
> and write at 600 MB/sec.... 4K blocks and then streaming eight
> simultaneous 1 GB reads and writes.  In that test, the ioDrive
> clocked in at 100,000 operations per second...  beat $30 dollars a GB,"
> _______________________________________________
>   

The key take-away here is that the SSD guys *could* do all
sorts of neat things to optimize for speed, reliability, and cost.
They have many more technology options than the spinning
rust guys. My advice: don't bet against Moore's law :-)
 -- richard

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