Date: Fri, 10 Dec 2010 11:02:02 -0500 From: jhell <jhell@DataIX.net> To: Freddie Cash <fjwcash@gmail.com> Cc: freebsd-fs@freebsd.org, Dmitry Morozovsky <marck@rinet.ru> Subject: Re: how to get rid of stale pool? [was (incorrect) stale zpool: how to rename?] Message-ID: <4D024EFA.7000801@DataIX.net> In-Reply-To: <AANLkTikeZoSQxcYfrBQT3dYJemjdn_Mq-VAJrjMMu9mm@mail.gmail.com> References: <alpine.BSF.2.00.1012092147200.88989@woozle.rinet.ru> <20101209193027.GA10784@icarus.home.lan> <alpine.BSF.2.00.1012101724020.20527@woozle.rinet.ru> <AANLkTikeZoSQxcYfrBQT3dYJemjdn_Mq-VAJrjMMu9mm@mail.gmail.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/10/2010 10:35, Freddie Cash wrote: > On Fri, Dec 10, 2010 at 6:25 AM, Dmitry Morozovsky <marck@rinet.ru> wrote: >> On Thu, 9 Dec 2010, Jeremy Chadwick wrote: >> JC> > how can I clear stale traces of old pool? > > zero out the first and last MB of the disk. > > ZFS stores the GPT and other pool metadata in those two locations. > It's nowhere near a MB in size, but if you clear out the first and > last MB, you're guaranteed to clear out all traces of ZFS metadata. > To add to this as well you might try removing your cache file '/boot/zfs/zpool.cache' after exporting your existing currently working pool. PS: If this file exists after exporting your pool then it holds corrupt information. - -- jhell,v -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJNAk76AAoJEJBXh4mJ2FR+Lm0H+gP/E5nN5K9/M3OTyBIktlI+ J2gut5UgP4mzwnPCg9yB6firIEhag9MG2ZYgpsqA5bP/4jGkbxIOodjn3pmp0fPd 3/WSaYARg0LjwFikruR8L99DdSscLZ1C9yZzKSv/WcTv/BKLlb2KFBIm7nutrY1l pdITJ3MxfBf01oiJGcN9v0VIhp5SEPNWfvIkikk6N+6jdE/odpHajR0QlSOcUVLb bQHkEHRuMess5vPe1+tzL24W9LWjlb/NA1qbxB33R+CgBXymvRlfXYvMu/D76jks LUxK+AVnJ1N6GlVPAeSD94RHfL/mXT66gceE0MRsB0Y5R8177ubAnuQD5MDt7B0= =ZtbJ -----END PGP SIGNATURE-----
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