FreeBSD 10.1 + ZFS

Randal L. Schwartz merlyn at
Thu May 28 16:16:58 UTC 2015

>>>>> "kpneal" == kpneal  <kpneal at> writes:

kpneal> So, yes, a three-way mirror will perform better than a 3-drive
kpneal> RAIDz2.

But doesn't that create a write-hole?  Or are the mirrors atomically
updated, and the system on a restart after a crash can determine by
chronology which one or two drives contains the latest data?

Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
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