May 16, 201511 yr If I have a 6tb drive that fails, can I replace it with two 3tb drives? (or one 3tb and one 4tb?) I have one more slot in my microserver and spare 3 and 4tb drives and would much prefer to use those spare drives than shell out for another 6tb drive if possible
May 16, 201511 yr You would have to copy all the data to the smaller drives yourself and then set a new configuration. unRAID can only replace a single drive with another single drive at least as large as the original.
May 16, 201511 yr If I have a 6tb drive that fails, can I replace it with two 3tb drives? (or one 3tb and one 4tb?) I have one more slot in my microserver and spare 3 and 4tb drives and would much prefer to use those spare drives than shell out for another 6tb drive if possible Is your 6T out of warranty?
May 17, 201511 yr Author no, fortunately my 6tbs are not out of warranty nor have they gone bad yet but I am going abroad with my microserver and where I will be in a place which most likely doesn't have large drives (and certainly not for reasonable prices). So that, coupled with the fact that I have a few smaller drives already, prompted me to think about the scenario i posted about.
May 17, 201511 yr Moving your files from the 6T drive to 2 3T drives would not be a problem. Just take a bit of time. Another option - look at an inexpensive Areca controller on eBay, like an ARC-1230. With it you can create a RAID0 array of 2 3T drives (6T volume) to rebuild onto should the 6T drive fail. The Areca would give you a way to recover less expensively should you need to. I have an Areca card and use it for my parity drive (2x3T=6T parity). It is faster than a single 6T drive, and I have had good luck with it. I am starting to use Areca cards in my backup server to combine older smaller drives I own (1T and 2T) into larger RAID0 sets that are more useful sizes for doing backups. This also let's me get a more physical disks into the backup server.
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