Date: Mon, 10 Feb 2014 13:40:10 -0600 From: Mark Felder <feld@FreeBSD.org> To: freebsd-fs@freebsd.org Subject: Re: Greetings Noble BSD Gods Message-ID: <1392061210.4086.81684261.0AED389C@webmail.messagingengine.com> In-Reply-To: <CANWh_rV2JU=fydvg-xF%2Bi72eK-W-f4gh5h68qJVExpnZMMvXSA@mail.gmail.com> References: <CANWh_rV2JU=fydvg-xF%2Bi72eK-W-f4gh5h68qJVExpnZMMvXSA@mail.gmail.com>
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On Mon, Feb 10, 2014, at 13:30, Dan Uber wrote: > I am but a simple mortal respectfully inquiring about the future > potential > of the ZFS spacemap_histogram feature offering write support. > > I have a 30TB array that was spawned in FreeNAS (foolish mistake, yes, I > know) that I would really love to migrate to FreeBSD 10, but I'm getting > the following when I try to import it. > > root@Galaxy:/home/ub3r # zpool import Galaxy > This pool uses the following feature(s) not supported by this system: > com.delphix:spacemap_histogram (Spacemaps maintain space > histograms.) > All unsupported features are only required for writing to the pool. > The pool can be imported using '-o readonly=on'. > cannot import 'Galaxy': unsupported version or feature > > At first I thought this might be something easy to implement myself, then > I > was informed that only the FreeBSD-FS Overlords are capable of dabbling > in > such witchcraft. > > Thank you for your time, I greatly appreciate it. > Did FreeNAS patch in spacemap_histogram before we did? I'm aware it exists in head/CURRENT, but didn't notice until now that it's missing from FreeBSD 10.
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