|18 Oct 2009||#1|
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Moving RAID-1 to larger HDDs
I'm not sure if I'm in the correct forum for a RAID issue, but I think it fits fairly well. For me it is mainly about the hardware although the process might be software dependent for the most.
I use a Thecus N5200BR/RouStor. I do have four RAID HDDs, of which two are new and on which I want to move my existing RAID-1 system. So currently inside the Thecus are two HDDs of the same model, yet the two new HDDs (which are identical) are not the same model as the old ones and especially not the same capacity. I bought them and want to use them of course to enlarge my capacity. Sadly I hadn't money for more drives to built a robust RAID-5 system or so.
That is also the greatest annoyance for me, it seems it is not possible to switch from a RAID-1 to a RAID-5 when adding more HDDs? Isn't that the thing they always advertise when selling their complete preconfigured solutions? Or did I get sth. wrong?
Anyway, is it possible to add the drives first, then create a second, parallel RAID-1 and then move the data - or how do I do it? How does the whole process work, or is this not possible without moving the data somewhere totally different first?
And a final question: What do you recommend I do with the old HDDs? As they are RAID-HDDs I thought about buying a 2-space internal RAID case for putting into my desktop PC. Yet I don't need any more space and don't see the value of an "internal" RAID yet. What could be the advantage for me - or how could I integrate such a system in my / a holistic backup/desaster plan?
Thanks for your help in advance.
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