Date: Fri, 19 Jun 2009 08:54:42 +1000 From: Andrew Snow <andrew@modulus.org> To: Randy Bush <randy@psg.com> Cc: freebsd-fs@freebsd.org Subject: Re: adding drive to raidz1 Message-ID: <4A3AC5B2.9010607@modulus.org> In-Reply-To: <m28wjp6tp2.wl%randy@psg.com> References: <m2bpol6v8r.wl%randy@psg.com> <4A3ABF76.3020905@modulus.org> <cf9b1ee00906181540w746edafi4a560b0925b14e27@mail.gmail.com> <m28wjp6tp2.wl%randy@psg.com>
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> NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > raidz1 ONLINE 0 0 0 > ad4s3 ONLINE 0 0 0 > ad5s3 ONLINE 0 0 0 > ad6s1 ONLINE 0 0 0 > ad7s1 ONLINE 0 0 0 Here you have created a non-redundant stripe with two vdev members: 1. a 3-disk RAIDZ1 and 2.a single disk. So you can't ever remove the ad7s1 without data loss. If you haven't written anything to the pool since adding ad7s1, you can probably yank the disk out and ignore any errors but the error messages will never go away until you recreate the whole pool from scratch
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