[DRBD-user] DRBD trace with RHEL6.1 upgrade

David Coulson david at davidcoulson.net
Wed Aug 3 15:50:54 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On 8/3/11 5:22 AM, Florian Haas wrote:
> This is a result of the RHEL 6.1 kernel containing backports of
> post-2.6.32 upstream code that removed the notion of barriers from the
> I/O stack. Strictly speaking, this does not break the kernel ABI so this
> is no violation of Red Hat's own policy, but it's causing some headaches
> nonetheless.
> The issue you are facing is fixed in DRBD 8.3.11 and DRBD 8.4.0. LINBIT
> support customers were provided with a version that fixes this issue,
> promptly after it became known.
I just compiled 8.3.11 against 2.6.32-131.6.1.el6.x86_64 this morning 
and while it resolved the barrier issue, I am still seeing my nodes 
kernel panic when I reboot one.

I'm going to update to 8.4.0 and see what happens. If it still suffers 
stability issues, I will post panic output.


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