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Forum Discussion
Hit 8Tb limit - how to expand to 18T physical?
Hi all, hoping for suggestions here for an easy(ish) fix... first let me stress that I've had experience in UNIX and I'm not stupid, but my training is out of date and to be honest I find all the tech...
Thanks mdgm! A couple of things I'm still not sure about here though:
1. Do I choose to use dual-redundancy myself, or will the system select it automatically when it sees fit?
2. What's wrong with my calculation above that shows 13Tb for single redundancy? I thought I understood how X-RAID2 worked... I can see how it would be 11Tb if there were no layers involved, only sets of disks - but this would effectively be two RAID 5 systems made of physical disks, wouldn't it? i.e. (4-1)x3Tb = 9, and (2-1)x2Tb = 2.
I thought X-RAID2 would use the disks horizontally in layers, so I'd get (4-1)x1Tb = 3 and (6-1)x2Tb = 10...
1. Do I choose to use dual-redundancy myself, or will the system select it automatically when it sees fit?
2. What's wrong with my calculation above that shows 13Tb for single redundancy? I thought I understood how X-RAID2 worked... I can see how it would be 11Tb if there were no layers involved, only sets of disks - but this would effectively be two RAID 5 systems made of physical disks, wouldn't it? i.e. (4-1)x3Tb = 9, and (2-1)x2Tb = 2.
I thought X-RAID2 would use the disks horizontally in layers, so I'd get (4-1)x1Tb = 3 and (6-1)x2Tb = 10...
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