Date: Thu, 28 May 2015 09:13:19 -0700 From: merlyn@stonehenge.com (Randal L. Schwartz) To: kpneal@pobox.com Cc: krad <kraduk@gmail.com>, Baho Utot <baho-utot@columbus.rr.com>, FreeBSD Questions <freebsd-questions@freebsd.org>, Jon Radel <jon@radel.com> Subject: Re: FreeBSD 10.1 + ZFS Message-ID: <86y4k8adeo.fsf@red.stonehenge.com> In-Reply-To: <20150528141312.GA54499@neutralgood.org> (kpneal@pobox.com's message of "Thu, 28 May 2015 10:13:12 -0400") References: <20150526034748.GA1674@WorkBox.Home> <5564E1CE.2040700@columbus.rr.com> <5564E6F5.1090306@radel.com> <5564EF07.2080603@columbus.rr.com> <20150527000713.GA3257@WorkBox.Home> <CADqw_g%2BrHfZCC4oDRLZYHjYO5BNTTgaejU53062Qmfx8cefO9Q@mail.gmail.com> <SNT146-W323F8A94EFA6EA618FBD27A1CB0@phx.gbl> <55661AA5.9030403@columbus.rr.com> <55662C35.4000802@radel.com> <CALfReyfLYdZLSnukaQp9-6PGbAHW35KawnJp88VDdtw6ctbLPw@mail.gmail.com> <20150528141312.GA54499@neutralgood.org>
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>>>>> "kpneal" == kpneal <kpneal@pobox.com> 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 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>; Perl/Unix consulting, Technical writing, Comedy, etc. etc. Still trying to think of something clever for the fourth line of this .sig
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