3

I have 3x 4TB drives for a ZRAID1 config (single parity drive)

After running

zpool create data zraid1 sdb sdc sdd

I have a volume that's 10.9T in size, which is what I would expect from a stripe configuration, not a RAID5 configuration. zpool status claims it is a raidz1-0 config (the 0 makes sense, this being the only pool on this machine).

Why is my size not 7.2T ?


Figured it out: zpool list shows total of the pool, not the resultant volume size. df -h shows that correctly as 7.2T.

4

zpool list shows the size of the pool, which is the size of all the disks.
zfs list will show the usable file systems sizes in the pool.

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