Date: Fri, 21 Aug 2009 12:10:40 +0900 From: Randy Bush <randy@psg.com> To: Andrew Snow <andrew@modulus.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: re-adding a replacement into a pool of mirrors Message-ID: <m23a7lkgjz.wl%randy@psg.com> In-Reply-To: <4A8E0F39.6070407@modulus.org> References: <m2eir5khm7.wl%randy@psg.com> <4A8E0C80.9030908@modulus.org> <m263chkh0l.wl%randy@psg.com> <4A8E0F39.6070407@modulus.org>
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Andrew Snow wrote: > > > OK, with mirrored vdevs you can detach and re-attach disks. > > So: > > > zpool detach tank da1s3 <-- remove it from the mirror > zpool attach tank da0s3 da1s3 <-- add a disk into the mirror vdev # zpool detach tank da1s3 # zpool status pool: tank state: ONLINE scrub: scrub completed after 0h14m with 0 errors on Wed Aug 19 12:03:14 2009 config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 da0s3 ONLINE 0 0 0 mirror ONLINE 0 0 0 da2s1 ONLINE 0 0 0 da3s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da4s1 ONLINE 0 0 0 da5s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da6s1 ONLINE 0 0 0 da7s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da8s1c ONLINE 0 0 0 da9s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da10s1 ONLINE 0 0 0 da11s1 ONLINE 0 0 0 errors: No known data errors # zpool attach tank da0s3 da1s3 cannot attach da1s3 to da0s3: permission denied # zpool status pool: tank state: ONLINE scrub: scrub completed after 0h14m with 0 errors on Wed Aug 19 12:03:14 2009 config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 da0s3 ONLINE 0 0 0 mirror ONLINE 0 0 0 da2s1 ONLINE 0 0 0 da3s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da4s1 ONLINE 0 0 0 da5s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da6s1 ONLINE 0 0 0 da7s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da8s1c ONLINE 0 0 0 da9s1 ONLINE 0 0 0 mirror ONLINE 0 0 0 da10s1 ONLINE 0 0 0 da11s1 ONLINE 0 0 0 errors: No known data errors uh oh! randy
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