SSD Raid 0 with HDD raid 1

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Andre Hsu

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Feb 25, 2015
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Suppose I had 2x 512 GB SSD 1x 1TB HDD, is it possible to raid 0 the two SSDs, then raid 1 the two SSD and the HDD for redundancy?
 
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Andre Hsu

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Feb 25, 2015
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So the SSD's will wait for the data to finish mirroring to the HDD to consider the operation complete?
 
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Andre Hsu

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Feb 25, 2015
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So there is no caching magic of any sort that can make this work? Is it possible to make it so that it will run at the speed of raid 0 ssd, and it will automatically slowly feed it to the HDD?
 
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Andre Hsu

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Its correct to assume that SSD partitioned into two partitions in RAID 0 will run at the same speed at if was one partition right?
 
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giantbucket

giantbucket

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Nov 17, 2013
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i would guess it would only do so for the first few megs of data, whatever the HDD can store in its own cache. after that, you'd likely be back at square one.



i don't know this for a fact, but i would assume so. i think that's how the large SSDs work in a way, they write to more chips in parallel.
 
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