Date: Mon, 28 Jul 2014 00:25:39 +0400 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: Dave Hayes <dave@jetcafe.org> Cc: Warren Block <wblock@wonkity.com>, freebsd-stable@freebsd.org Subject: Re: Gmirror + gpart corruption on 9.3-PRE Message-ID: <alpine.BSF.2.00.1407280021370.33904@woozle.rinet.ru> In-Reply-To: <53D2E560.5090100@jetcafe.org> References: <53D1BDB2.7030906@jetcafe.org> <alpine.BSF.2.11.1407242120070.3624@wonkity.com> <53D2E560.5090100@jetcafe.org>
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On Fri, 25 Jul 2014, Dave Hayes wrote: > > > At 9.3-PRERELEASE #0 r268066M I've been trying unsucessfuly to set up > > > a brand shiny new gmirror + gpt style Raid 0 mirror using the > > > following procedure on a disk > > > > > > gpart create -s gpt ada0 > > > ( shows 931G of space) > > > gpart add -s 96G -t freebsd-swap -l swap0 ada0 > > > gpart add -t freebsd-ufs -l rw0 ada0 > > > gpart create -s gpt ada1 > > > gpart add -s 96G -t freebsd-swap -l swap1 ada1 > > > gpart add -t freebsd-ufs -l rw1 ada1 > > > gmirror label swap /dev/ada0p1 /dev/ada1p1 > > > gmirror label rw /dev/ada0p2 /dev/ada1p2 > > I need to be clearer. Above is the point at which the corrupt table message is > encountered. I believe the above is the equivalent of your method, and hence > your method may not work on 9.3-PRE and above. If you happen to be able to > test this, I'd be curious as to the results. > > I'm going to try gmirroring the entire disk and and using BSD labels for > separate partitions. I think this will have the effect I want, and it's worth > a test. ... or, possibly better, you could mark both your disks with gpart partitioning (maybe using -a1m to both align partitions and make them let some free gap at the end of disks), and then just gmirror partitions, as you did before. Or, did I miss something? -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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