I have built 8.4 drbd module for kernel 4.2.8-1-pve, together with the latest
drbd-utils (with support for 84 version), then downgraded resources to 8.4.
I've run the same IO-intensive tests as before (on 9.0) for more than 24 hours:
no issues.
9.0 crashed after no more than 3/4 minutes.
My two-nodes Proxmox is actually running from 2 days without any issue.
Should be great, for whom like me with a simple two-nodes setup, to have a
kernel with drbd 8.4 instead of 9.0; is it possible?
Otherwise I'll create a script to automate buiilding process each time I'll
update the kernel in the future.
PS: since there's near-to-no ducumentation available on DRBD downgrading, I'll
will write a post with detailed instruction (I took detailed notes while
building and reconfiguring my nodes).
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