Date: Tue, 6 Aug 2013 12:26:37 +0100 From: Tom Evans <tevans.uk@googlemail.com> To: Tim Gustafson <tjg@ucsc.edu> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS: unsupported ZFS version 5000 (should be 28) Message-ID: <CAFHbX1L5JxA6ORnr_f7KawDtcxCLN=K6=-Jh2DOPwmq%2B7PWSaQ@mail.gmail.com> In-Reply-To: <CAPyBAS4%2BdGcff9%2BcZyC=eN2dQCCVidr-TD4KFcFn%2Bah62M_U8w@mail.gmail.com> References: <CAPyBAS6Sf-5-HF%2BVGGZN1bp2Q2YebF5=Aw_Qj0OTED8oppk6SA@mail.gmail.com> <CAOFF%2BZ2ff8%2BwPQBR6YM2n9vX8qsZoq_VWXVHFKXB5qWp11Hddg@mail.gmail.com> <CAPyBAS4ELa_w7Zm3JKcrqH9EvohRP6%2BMOuqDc3p9i=i1gdPpjg@mail.gmail.com> <CAPyBAS5ekywBiTdoANt4pCLMknURKFp3mLK2e5tXNpW5FQejSQ@mail.gmail.com> <51FBC806.3070500@egr.msu.edu> <CAPyBAS7QVfTdB1WwyQZDy_v1MYfiF8eRHzjzHJeAL6AVNFuAMA@mail.gmail.com> <CAFHbX1%2Bgnunh=gWrvyqiyvchfJVM-7heWhhRKHas-9hYaZ8vwg@mail.gmail.com> <CAPyBAS7E%2B6fxat6kARcYka1CQX-yCU=Y87K-03H%2Bwp_nhpXv7w@mail.gmail.com> <CA%2B7WWSetkTX8rujzcSucZH%2B5utUh168rA-nACLP_bNH8Fr6rMQ@mail.gmail.com> <CAPyBAS4%2BdGcff9%2BcZyC=eN2dQCCVidr-TD4KFcFn%2Bah62M_U8w@mail.gmail.com>
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On Mon, Aug 5, 2013 at 8:20 PM, Tim Gustafson <tjg@ucsc.edu> wrote: > I wanted to report back to the group about how I was able to get past > this problem. > > A quick re-cap of what happened: > > - A few weeks ago, we upgraded from 8.2 to 8.4 using the Subversion > repository at http://svn.freebsd.org/base/releng/8.4 > > - On Thursday last week, I fat-fingered a command that caused /usr to > be dismounted > > - I rebooted into single-user mode, fixed /usr, and rebooted > successfully back into multi-user mode > > - Just to make sure that nothing in /usr got clobbered, I did a "make > buildworld buildkernel installkernel installworld" > > - Upon rebooting after the buildworld procedure, the system reported > that the zpool version (5000/28) was too new > > So, somehow among all that, the zpool got upgraded to a new version. > I'm not sure how that's possible, given that at no time were we > running a beta version of any OS up to this point. You should be able to determine when the pool was upgraded by checking zpool history, given that you have ZFS working again. Even if you were running the very tip of 10-CURRENT, the pool would only be upgraded if "zpool ugrade <tank>" was run. Cheers Tom
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