[DRBD-user] Seek help

Trevor Hemsley themsley at voiceflex.com
Fri Jul 6 09:05:33 CEST 2018

On 06/07/18 07:42, Ravi Sankar wrote:
> Dear Trevor,
> Thanks for the prompt update.
> Based on below info,can kindly verify and advice,if there's any
> workaround/fix to address this issue.
> Your help is much appreciated.
> Due to the DRBD issue,we boot our servers using original boot image(.
> [root]]# uname -a
> Linux KSSGGPAP.2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST
> 2011 x86_64 x86_64 x86_64 GNU/Linux
> [root]#
> [root]# rpm -qa |grep drbd
> drbd83-utils-8.3.12-1.el6.elrepo.x86_64
> kmod-drbd83-8.3.12-2.el6.elrepo.x86_64

So you are using the ELRepo packages and there was a kernel ABI change
between your 2.6.32-220 series of kernels and the latest 2.6.32-754
series. Probably more than one but since you skipped the intervening 6
or 7 point releases of CentOS/RHEL, you missed those.

You could run `yum --enablerepo=elrepo update` and it should pick up the
newer kmod-drbd packages and update them. Those stand a much better
chance of working with the newer kernels though I doubt if ELRepo have
rebuilt kmod-drbd83 in years. If that doesn't work then I would look at
removing the current kmod-drbd83 packages and install kmod-drbd84
instead. That's probably a better solution in the long term but it may
mean that you need to review your /etc/drbd.d/* config files and amend
them for any config differences between DRBD 8.3 and 8.4. I know the
current kmod-drbd84 packages work with the current 2.6.32-754 kernels as
I am using them.


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