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Forum Discussion
winger
Jan 21, 2010Tutor
RNPP-Future Capacity Expansion planning for Dual Redundancy
OK, since I am no longer "pre-sales", I will post my question in this forum. Last week as I was planning the purchase of my first set of drives for my ReadyNAS Pro Pioneer edition, I thought I unde...
thomasvs
Jun 18, 2012Aspirant
Can someone explain the rather cryptic note:
"Note: XRAID2 with Dual Redundacy requires minimun of 4 hard disks with free space for Vertical Expansion."
It probably explains why in the second post, Option 2, Upgrade C (3 1TB, 3 2TB) doesn't add any free space, and Upgrade D(2 1TB, 4 2TB) adds 2 TB of space.
I'm in this exact situation now, and I don't understand why X-RAID isn't capable of using the full capacity you would get if you did this array from scratch in Upgrade C (dual redundancy so 2 of the biggest drive are out for capacity calculation, leaving 3 x 1 + 2 = 5 TB full capacity)
"Note: XRAID2 with Dual Redundacy requires minimun of 4 hard disks with free space for Vertical Expansion."
It probably explains why in the second post, Option 2, Upgrade C (3 1TB, 3 2TB) doesn't add any free space, and Upgrade D(2 1TB, 4 2TB) adds 2 TB of space.
I'm in this exact situation now, and I don't understand why X-RAID isn't capable of using the full capacity you would get if you did this array from scratch in Upgrade C (dual redundancy so 2 of the biggest drive are out for capacity calculation, leaving 3 x 1 + 2 = 5 TB full capacity)
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