Date: Fri, 7 Dec 2012 12:15:23 +0700 From: Edho Arief <edho@myconan.net> To: Randy Bush <randy@psg.com> Cc: FreeBSD FS <freebsd-fs@freebsd.org> Subject: Re: moving to gpart mirroring, one drive at a time Message-ID: <CAAtReCmG2H8tmh9zNgitaoiHO=4EN0p7VCsybTO3LD_OhF3a_A@mail.gmail.com> In-Reply-To: <m2624e8n57.wl%randy@psg.com> References: <m2624e8n57.wl%randy@psg.com>
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On Fri, Dec 7, 2012 at 12:08 PM, Randy Bush <randy@psg.com> wrote: > i have an existing old-style glabel gmirror. a drive, ada0 failed. we > inserted a new drive as ada0. as the old drive is a teensie 80g drive > and the new is a 500g, we figured to create gm1, dump/restore to it, and > then swap out the old working 80g for another 500 and mirror away. > > so i went to the handbook. 20.4.3 Creating a Mirror with an Existing > Drive does not seem appropriate as it assumes no source mirror and equal > sized drives. > > so i figured to do the dance of 20.4.2 Creating a Mirror with Two New > Disks, but with one disk and then mirror back. but ... > > # gmirror label -v gm1 /dev/ada0 > Metadata value stored on /dev/ada0. > Done. > > # gpart create -s MBR mirror/gm1 > mirror/gm1 created > > # gpart show mirror/gm1 > => 63 976773104 mirror/gm1 MBR (465G) > 63 976773104 - free - (465G) > > # gpart create -s BSD mirror/gm1s1 > gpart: arg0 'mirror/gm1s1': Invalid argument > > whoopsie. > > clue? > ...create the partition first? gpart add -t freebsd mirror/gm1
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