Remove one disc from raid and install ssd

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khernik

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Jun 25, 2015
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Right now I have two HDDs set in RAID-0, each having 1TB. And I bought SSD drive that I want to connect right now.

The problem is that I only have two SATA connectors. I have power connector, but not data. I guess my motherboard (asrock p67 b3) supports just 2 sata connectors either way.

So I figured I can live with 1TB and I can disconnect one HDD, turn of raid, and connect ssd instead.

So...how can I dump all data to just one disc, and connect the other? How can I know which one can I disconnect?

What are the correct steps to do this?
 
Solution
capt_taco
First, that motherboard should have six SATA connectors, two white ones for SATA3 and four blue ones for SATA2. So there shouldn't be a shortage of ports. If you've got the two HDDs plugged in to the white SATA3 ports, you'll probably want to move them to the blue SATA2 ports so that the SSD can take advantage of the higher bandwidth of SATA3.

As long as the SATA ports all use the same controller, you should be able to disconnect and replug those two HDDs into different SATA ports on the same motherboard without losing the RAID. But as always with RAID0, make sure you have a backup before touching anything.

I assume what you want to do in the new configuration is use the SSD for your operating system and key programs, and the HDDs for...
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capt_taco

capt_taco

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Aug 5, 2009
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First, that motherboard should have six SATA connectors, two white ones for SATA3 and four blue ones for SATA2. So there shouldn't be a shortage of ports. If you've got the two HDDs plugged in to the white SATA3 ports, you'll probably want to move them to the blue SATA2 ports so that the SSD can take advantage of the higher bandwidth of SATA3.

As long as the SATA ports all use the same controller, you should be able to disconnect and replug those two HDDs into different SATA ports on the same motherboard without losing the RAID. But as always with RAID0, make sure you have a backup before touching anything.

I assume what you want to do in the new configuration is use the SSD for your operating system and key programs, and the HDDs for mass storage. In that case, just back up your important data from the HDDs and wipe them, install the OS on the SSD, then set up the HDDs as independent data drives. There would be little or no benefit to RAID0 for data drives, only added risk.

As for "removing" one drive from a RAID0 array, it doesn't work that way. You can clone the contents of the entire array to a separate single drive. But you can't condense the array in place, so to speak.
 
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