> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Roy Sigurd Karlsbakk
> 
> In addition to this comes another aspect. What if one drive fails and
> you find bad data on another in the same VDEV while resilvering. This
> is quite common these days, and for mirrors, that will mean data loss
> unless you mirror 3-way or more, which will be rather costy.

Like the resilver, scrub goes faster with mirrors.  Scrub regularly.

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