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Multiple volumes across four disks?

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Multiple volumes across four disks?

Postby snapshot » Sat Mar 16, 2013 7:14 am

I'm thinking of buying a 604 to replace my broken TS-259 but have a query about RAID creation. If I install two 3TB and two 2TB drives then create a RAID5 volume, will the remaining 1TB on the 3TB drives be accessible to create a RAID1 volume or is it lost? I know I can do this with the Highpoint RAID controller in my WHS2011 machine but I don't know how clever the Asustor controller/firmware is.
Last edited by snapshot on Sat Mar 16, 2013 2:16 pm, edited 1 time in total.
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Re: Multiple volumes across four disks?

Postby ho66es » Sat Mar 16, 2013 9:14 am

I believe it is lost, of course I could be totally wrong :) if you create a raid 5 with 2 2tb and one 3tb disk the raid is based on the smaller disks but if you swap them to 3tb you can grow to the larger size.
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Re: Multiple volumes across four disks?

Postby snapshot » Sat Mar 16, 2013 2:15 pm

Having now RTFMed I believe you're right. Fortunately, it's not a problem. It would have offered an alternative solution to which of my HDDs I used in it but it just means I take all the 2TB drives out of my WHS2011 machine.
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Re: Multiple volumes across four disks?

Postby James.W@AST » Mon Mar 18, 2013 11:33 am

Hi snapshot,

ho66es is correct. : )
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