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We are using CentOS 7.1:

$ cat /etc/redhat-release
CentOS Linux release 7.1.1503 (Core) 

We deferred the 7.2 upgrade. It looks like it did not cause any problems so we are planning an upgrade. The wrinkle for us is:

$ uname -a
Linux cryptopp 2.6.32-042stab112.15 #1 SMP Tue Oct 20 17:22:56 MSK 2015 x86_64 x86_64 x86_64 GNU/Linux

We think the 2.6 kernel is present because of hosting and an OpenVZ container. I tried to research if the CentOS QA team tested the configuration, but I could not find information on it (cf., no discussion of OpenVZ in the release notes).

Is it safe to perform the upgrade from 7.1 to 7.2 with the 2.6 kernel? That is, is this a supported configuration that will update as expected?

If not, what are our options?

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    I bite... How, exactly, is this opinion based? The configurations is either tested and supported or its not. I can't find information on either.
    – user56041
    Jan 2 '16 at 14:28
  • That is strange. Check grub.conf -- it might be you are running an alternate configuration, or that the system was upgraded from 6 to 7 (I don't know if that's really possible) and the default kernel level wasn't changed.
    – Otheus
    Jan 2 '16 at 15:27

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