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Date: Tue, 13 Dec 2011 17:51:33 +0400
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From: siur <siur.vvm@gmail.com>
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Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>
Subject: Re: epic UFS crash
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> That is what could happen if you are using RAID controller in
> write-back mode without battery-backed RAM for write-back.
> What kind of UFS is it? UFS1 or UFS2?
> UFS+SU? GEOM Journaling?

Why RAID-controller could write data only in a cache for almost a year??
It was UFS2, without journaling.