Date: Sat, 13 Aug 2011 19:51:28 +0000 From: Alexander Best <arundel@freebsd.org> To: freebsd-current@freebsd.org Subject: [rfc] replacing /boot/kernel.old with a unique directory name Message-ID: <20110813195127.GA34295@freebsd.org>
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hi there,
i just had the following idea: how about instead of copying the current kernel
to /boot/kernel.old and then installing the new one under /boot/kernel as the
results of target installkernel, we create a unique directory name for the old
kernel?
something like /boot/kernel-r${revision}-${/dev/random}?
that would let people not only boot the previous kernel, but all kernels that
have been replaced by target installkernel. this would make tracking issues,
which have been introduced by a certain commit much easier, imho.
i don't think implementing this logic would be that difficult. the only problem
i see is with ${/dev/random} in the case where people are running a kernel
without /dev/{u}random support.
cheers.
alex
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