Date: Sat, 16 Apr 2011 16:44:20 +0200 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: rank1seeker@gmail.com Cc: freebsd-hackers@freebsd.org Subject: Re: Add SUM sysctl Message-ID: <97731093-4056-4D26-8D4E-4BE077B45610@gsoft.com.au> In-Reply-To: <20110416.142444.546.5@DEV> References: <20110415.150349.671.1@DEV> <22B12EE4-AE7B-49F7-B6BA-3FE7F967F508@gsoft.com.au> <20110415.154921.875.2@DEV> <F8EA9C16-A114-4270-895D-477AFA2990C9@gsoft.com.au> <20110415.171211.343.3@DEV> <6F20BB76-0D6A-4AB5-99DF-15954D8C2C9D@gsoft.com.au> <20110416.111455.390.4@DEV> <D18D23C3-5179-46BE-BAA6-288B06DB0408@gsoft.com.au> <20110416.142444.546.5@DEV>
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On 16/04/2011, at 16:24, rank1seeker@gmail.com wrote: >> >> In that case you don't need to reboot into single user mode, you just > make sure there aren't any non-kernel processes (besides sh) which are > running. > > I know all this!!! > I KNEW chatter would start to go this way! > After compilation of kernel and world in MUM, kernel is installed in MUM, > but to install world, we reboot into SUM, then install world. (HANDBOOK) > Now, in case of GELI usage AND if upgrading is taking place, i.e; 8.2 -> > 8.3, once you reboot into SUM to install world, you are doomed, BECAUSE > ... > Kernel will bitch (GELI part), about world->kernel mismatch and you won't > be able to install world as you cant decrypt geom providers!! > The only way to save yourself in that case is to restore /boot/kernel.old, > or one is doomed. > > So that is way, they both need to be installed in SUM, in one shot! Kernel > then world! > > But this is just a ONE example, of usage of THAT function! > Next time it won't be GELI case but something else. > And now I brag about encryption, compilation of world and kernel, bla, > bla..., what is NOT a subject, of this "thread" > > > DO YOU KNOW, what to look for, in sys that will indicate to my function, > that it is in SUM? Well, I give up. You aren't reading & thinking about what I'm writing. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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