On 17.08.2011 0:10, Mark Saad wrote: > 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 ?
No. It isn't. When you are doing `glabel label` you overwriting last sector of given device with glabel's metadata. So you potentially can destroy some data in it. Using kern.geom.debugflags=16 is a bad practice. The right way is creating label before creation of file system and installing OS. Also you can use UFS labels (see tunefs(8)). -- WBR, Andrey V. Elsukov
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