[DRBD-user] Stability issue Proxmox4/DRBD9

Claudio Nicora claudio.nicora at gmail.com
Mon Apr 11 10:13:53 CEST 2016

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

Welcome aboard, and thanks for bringing back an issue that nobody took 
care of since now.
It means I was not the alone...

I've had the same issue a few months ago, I've reported it here (and on 
Proxmox forums) but the issue is still there.

Linbit: nobody took care of it (however it's a kernel crash, should be 
critical enough...)
Proxmox: a kernel with an updated DRBD module (still DRBD 9.0) was 
released but the issue persisted. Still wondering how a "non-production 
ready" feature could end up in a "production ready" bundle like Proxmox 
4 without a choice to get DRBD 8.4 back.

I've sorted it out by downgrading DRBD module to 8.4 and building the 
kernel module + DRBD tools on my own.
This is the post on Proxmox forum with a backlink to my blog post where 
I detailed the actions to downgrade the module.
I've also set up a script to run after each Proxmox kernel upgrade, just 
in case.

PS: still waiting for a feedback from Linbit/Proxmox guys ;)

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