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How to configure RAID0 on my MacBook Pro mid 2012 (SSD+HDD)


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#1 azisel

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Posted 14 August 2016 - 11:05 PM

I have 1xSamsung SSD 850 EVO 250GB and 1xApple HDD 500GB (this HDD originally came with my macbook pro when I bought it).

 

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How do I configure RAID0? I went to disk utility and there is no tab for RAID. Help!



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#2 Platypus

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Posted 15 August 2016 - 01:29 AM

RAID0 is to lay the data across two identical drives in stripes so each drive is handling only half the data transactions, with corresponding performance improvement. It's appropriate that it is not offered for such disparate drives, if it could be done the HDD would just massively slow the SSD. Even with 2 SSDs, a good SSD is already so much faster than a platter HDD that RAID is hardly justified, and with RAID0 there's no redundancy so if one drive fails, the contents of both drives is lost.

Edited by Platypus, 15 August 2016 - 01:30 AM.

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#3 smax013

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Posted 15 August 2016 - 10:03 AM

Plus, even ignoring the excellent points that Platypus mentions, Apple has dropped support of AppleRAID (at least within Disk Utility...you can apparently still setup RAID 0 or RAID 1 in the Terminal) in El Capitan (aka Mac OS 10.11.x).

http://macperformanceguide.com/blog/2015/20151008_1222-SoftRAID-vs-DiskUtility.html




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