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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.

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1 Answer 1

up vote 4 down vote accepted

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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