Date: Wed, 17 Aug 2011 01:01:28 +0400 From: Test Rat <ttsestt@gmail.com> To: Mark Saad <nonesuch@longcount.org> Cc: freebsd-hackers@freebsd.org Subject: Re: glabel on 9-BETA1 Message-ID: <86wred136f.fsf@gmail.com> In-Reply-To: <CAMXt9NboLSTSRqZW2ZUD=BWdq7agbZFA6UeLrB_oOSSGbw%2BuwQ@mail.gmail.com> (Mark Saad's message of "Tue, 16 Aug 2011 16:10:14 -0400") References: <CAMXt9NboLSTSRqZW2ZUD=BWdq7agbZFA6UeLrB_oOSSGbw%2BuwQ@mail.gmail.com>
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Mark Saad <nonesuch@longcount.org> writes: > All > I was testing out an old bug and I am not sure if there is any known > work-around on 9-BETA/HEAD > > Here is the issue. Install a new server , have it boot into > multi-user mode. Then attempt to use glabel to label the root slice > > root@blindness:~# glabel label rootfs ada0p4 > glabel: Can't store metadata on ada0p4: Operation not permitted. > > In 7.2 and prior there was a sysctl that could be tweaked to allow for > this to work , kern.geom.debugflag set to 16 would allow this to work. > > So my question is this. Should there be any reason why "glabel label > name device" on the root slice cause an issue > when the slice is mounted rw ? > > Is this a bug ? It's a known feature[1], see geom(4) or try below diff. [1] http://lists.freebsd.org/pipermail/freebsd-fs/2010-April/008290.html %% Index: sys/geom/geom_subr.c =================================================================== --- sys/geom/geom_subr.c (revision 224657) +++ sys/geom/geom_subr.c (working copy) @@ -807,7 +819,7 @@ g_access(struct g_consumer *cp, int dcr, int dcw, pp, pp->name); /* If foot-shooting is enabled, any open on rank#1 is OK */ - if ((g_debugflags & 16) && pp->geom->rank == 1) + if ((g_debugflags & 16)) ; /* If we try exclusive but already write: fail */ else if (dce > 0 && pw > 0) %%
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