Date: Wed, 30 Aug 2017 15:40:54 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: fml <tetrosalame@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: help creating new gmirror > 2TB Message-ID: <alpine.BSF.2.21.1708301537530.53449@wonkity.com> In-Reply-To: <20170830180441.GA2427@avalon.thwn> References: <CAFsnNZLeuLYEJVozsoSvDtvgfMf4UueJhm37waOQ5_kyxs-rhg@mail.gmail.com> <20170830180441.GA2427@avalon.thwn>
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On Wed, 30 Aug 2017, fml wrote: > On Tue, Aug 29, 2017 at 04:12:12PM -0400, William Dudley wrote: >> Hi, >> >> I want to create a simple mirror > 2TB on a FreeBSD 10.3 system. >> >> I have 2 identical 4TB disks. > > As you've been told, go with GPT partitioning: disk replacement maybe is > not as easy as with MBR scheme, so backup your partition table and try > to rebuild your mirror. > > I'm sure you know already: you need enough RAM to fsck such a large > partition when things go wrong (~700MB per 1TB). Having done this (and written that article on it), I would say just use ZFS. It is no more fragile than a weird UFS gmirror on GPT. Some would say much less fragile.
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