[CentOS-devel] drbd83 update + no kmod update = broken server
amyagi at gmail.com
Fri Sep 11 15:38:08 UTC 2009
On Fri, Sep 11, 2009 at 8:29 AM, Alan Bartlett <ajb at elrepo.org> wrote:
> On 11/09/2009, Akemi Yagi <amyagi at gmail.com> wrote:
>> > So, I do not agree that kmod needs to obsolete the older one. I think
>> > that having the older kmod there in case you need to boot into the older
>> > kernel is not bad.
>> That is the statement I have difficulty understanding. :) In case you
>> need to boot into the older kernel ... the drbd module from -83 should
>> be there as a symlink. Or, if you mean boot into the older kernel to
>> get drbd.ko *82*, then you would have to reinstall drbd82.
>> In other words, if drbd83 obsoletes drbd82, there is no merit for
>> still having drbd.ko (82) around because drbd82 gets removed upon the
>> 82 -> 83 upgrade. If someone needs to go back to the 82, he needs to
>> manually install drbd82 anyway. (hope I'm making sense here) :-)
>> One (minor) drawback of keeping both kmods is that each time
>> /sbin/meak-module is run, it has to do extra work going through all
>> installed kernels, once for kmod-drbd82 and another time for
>> - now completely hiding under a huge rock
> A question in two parts -- for Akemi to consider:
> Are the kmod-drbd* packages kABI tracking? Or are they kernel version dependant?
The recent version of kmod-drbd82 is kABI-tracking. kmod-drbd83 is
new and is also kABI-tracking.
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