why is sum of disks bandwidth from `zpool iostat -v 1`
less than the pool total while watching `du /zfs`
on opensol-20060605 bits?
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
zfs 1.17T 1.16T 147 0 573K 0
raidz1 1.17T 1.16T 147 0 573K 0
c2d0p0 - - 29 0 1.93M 0
c4d0p0 - - 30 0 2.07M 0
c6d0p0 - - 45 0 3.05M 0
c8d0p0 - - 24 0 1.50M 0
c3d0p0 - - 39 0 2.44M 0
c5d0p0 - - 35 0 2.30M 0
c7d0p0 - - 50 0 3.24M 0
c9d0p0 - - 22 0 1.36M 0
---------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
zfs 1.17T 1.16T 129 0 565K 0
raidz1 1.17T 1.16T 129 0 565K 0
c2d0p0 - - 38 0 2.42M 0
c4d0p0 - - 34 0 2.18M 0
c6d0p0 - - 35 0 2.18M 0
c8d0p0 - - 33 0 2.10M 0
c3d0p0 - - 39 0 2.50M 0
c5d0p0 - - 38 0 2.38M 0
c7d0p0 - - 36 0 2.26M 0
c9d0p0 - - 32 0 2.06M 0
---------- ----- ----- ----- ----- ----- -----
if `zpool upgrade` shows all pools as "ZFS version 3"
and I never rewrite any of my root dirs, does the old
old "raidz1" pool ever make any ditto blocks?
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