Date: Sun, 2 Nov 2014 21:25:37 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: John <freebsd-lists@potato.growveg.org> Cc: freebsd-fs@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: gptboot: invalid backup GPT header Message-ID: <alpine.BSF.2.11.1411022120180.22743@wonkity.com> In-Reply-To: <20141103014341.GA91255@potato.growveg.org> References: <20141101224426.GA69717@potato.growveg.org> <alpine.BSF.2.11.1411020653130.97570@wonkity.com> <20141103014341.GA91255@potato.growveg.org>
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On Mon, 3 Nov 2014, John wrote: > On Sun, Nov 02, 2014 at 07:15:59AM -0700, Warren Block wrote: >> Clearing the last blocks will remove the warning, at least if the >> assumption is correct. ZFS is not supposed to be using the last >> portion of the disk(*) to make replacing disks of slightly different >> sizes easier. Still, I would back up either the whole array, the >> whole disk, or at least the last 33 blocks of mfid1 first. > > Thanks for replying. So, in short - is my data on the array in any > danger, or is this just a cosmetic issue? If the guess is correct, it's just cosmetic. Unless someone panics at the warning and tries to repair it.
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