Date: Thu, 6 Oct 2011 17:56:11 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: freebsd-current@freebsd.org, Ivan Voras <ivoras@freebsd.org>, freebsd-geom@freebsd.org Subject: Re: RFC: Project geom-events Message-ID: <711721489.20111006175611@serebryakov.spb.ru> In-Reply-To: <4E8DA627.60003@quip.cz> References: <1927112464.20111004220507@serebryakov.spb.ru> <4E8B7A27.5070908@quip.cz> <344794801.20111005101957@serebryakov.spb.ru> <4E8C1426.60107@quip.cz> <251861322.20111005125825@serebryakov.spb.ru> <4E8C6E85.90005@quip.cz> <CACdU%2Bf8mA1wLUnHVyrJwaf89ahf2oc_904=8mme7kkBLxLSCCQ@mail.gmail.com> <4E8CD662.90202@quip.cz> <j6k252$hpm$1@dough.gmane.org> <4E8DA627.60003@quip.cz>
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Hello, Miroslav. You wrote 6 =D0=BE=D0=BA=D1=82=D1=8F=D0=B1=D1=80=D1=8F 2011 =D0=B3., 16:59:= 19: > I am not a GEOM expert, but isn't it wrong concept, that glabel writes > its metadata and publish original device size? If some GEOM write=20 > metadata at last sector (or first), then it should shrink the published > size (or offset). Or is the problem at geom_part, that it is writing=20 > metadata past the advertised end of the device? Good point. > e.g. If I have disk device with size of 100 sectors and glabel metadata > is stored at the last sector, then glabel should shrink the advertised > size to 99 sectors - then GPT secondary table will be at sector 99=20 > instead of 100. > The current state is simply wrong, because user can do something what > cannot work and is not documented anywhere. It is Ok in UNIX way, in general. You should be able to shoot your leg, it is good :) But if geom_label doesn't reduce its provider to count its own metadata, it looks like a bug! --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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