Date: Thu, 11 Apr 2013 06:44:33 -0500 From: "Mark Felder" <feld@feld.me> To: freebsd-fs@freebsd.org Subject: Re: ZFS-inly server and dedicated ZIL Message-ID: <op.wvdj8jqh34t2sn@tech304.office.supranet.net> In-Reply-To: <802657359.5644092.1365629966726.JavaMail.root@k-state.edu> References: <802657359.5644092.1365629966726.JavaMail.root@k-state.edu>
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On Wed, 10 Apr 2013 16:39:26 -0500, Lawrence K. Chen, P.Eng.
<lkchen@ksu.edu> wrote:
> The root pool only having one root vdev is probably a restriction on
> what functionality could be put into the bootblock.
You can have multiple vdevs in a root pool, but only if they're mirror.
You also have to go out of your way to make it work. It's certainly
possible, though.
$ zpool status
pool: tank0
state: ONLINE
scan: resilvered 1.51G in 0h2m with 0 errors on Mon Apr 1 07:08:24 2013
config:
NAME STATE READ WRITE CKSUM
tank0 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
mfid0p2 ONLINE 0 0 0
mfid1p2 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
mfid2p2 ONLINE 0 0 0
mfid3p2 ONLINE 0 0 0
errors: No known data errors
$ gpart show
=> 34 584843197 mfid0 GPT (278G)
34 128 1 freebsd-boot (64k)
162 6 - free - (3.0k)
168 584822784 2 freebsd-zfs (278G)
584822952 20279 - free - (9.9M)
=> 34 584843197 mfid1 GPT (278G)
34 128 1 freebsd-boot (64k)
162 6 - free - (3.0k)
168 584843056 2 freebsd-zfs (278G)
584843224 7 - free - (3.5k)
=> 34 584843197 mfid3 GPT (278G)
34 128 1 freebsd-boot (64k)
162 6 - free - (3.0k)
168 584822784 2 freebsd-zfs (278G)
584822952 20279 - free - (9.9M)
=> 34 584843197 mfid2 GPT (278G)
34 128 1 freebsd-boot (64k)
162 6 - free - (3.0k)
168 584822784 2 freebsd-zfs (278G)
584822952 20279 - free - (9.9M)
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