Date: Fri, 05 Apr 2013 11:31:27 +0300 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: Beeblebrox <zaphod@berentweb.com>, freebsd-questions@freebsd.org Subject: Re: [ZFS] recover destroyed zpool - what are the available options? Message-ID: <515E8BDF.9070403@gmail.com> In-Reply-To: <1365092775955-5801588.post@n5.nabble.com> References: <1364711810171-5800299.post@n5.nabble.com> <1365002276096-5801335.post@n5.nabble.com> <515C4B14.80300@gmail.com> <1365004246715-5801356.post@n5.nabble.com> <1365087055.99393.YahooMailRC@web184303.mail.ne1.yahoo.com> <1365090630957-5801568.post@n5.nabble.com> <1365091829108-5801581.post@n5.nabble.com> <1365092775955-5801588.post@n5.nabble.com>
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04.04.2013 19:26, Beeblebrox: >>> test them with `zdb -l device`. When the output would be correct - you > guessed your slice! > > LABEL 1 > -------------------------------------------- > version: 28 > name: 'bsdr' > state: 2 > txg: 10 > pool_guid: 12018916494219117471 > hostid: 2193536600 > hostname: 'mfsbsd' > top_guid: 17860002997423999070 > guid: 17860002997423999070 > vdev_children: 1 > vdev_tree: > type: 'disk' > id: 0 > guid: 17860002997423999070 > path: '/dev/ad6p2' > phys_path: '/dev/ad6p2' > whole_disk: 1 > metaslab_array: 30 > metaslab_shift: 31 > ashift: 9 > asize: 287855869952 > is_log: 0 > create_txg: 4 > > Do you mean that in this case 'asize 287855869952' is what I should look at? > But 287855869952 /1024 /1024 /2 => 137.260GB is far smaller than I recall > the geom part to be... I can't has the math. But looking at ashift I can guess your disk should be 287855869952/2**9 == 562218496. Is this one right? Actually if you see all 4 labels correctly you can try to proceed as ZFS would guess the correct disk size anyway. -- Sphinx of black quartz, judge my vow.
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