[DRBD-user] Failed starting drbd after updating Fedora 30

[e.moehler at gwk-gmbh.de]

Sorry, I tried posting this message this morning and something 
apparently didn't work out correctly... :(

On Mon, Aug 12, 2019 at 16:41:30, Eddie Chapman wrote:

> There are some changes needed to your drbd configuration files when 
> upgrading from 8 to 9. So my suggestion would be (if you really are now 
> running drbd9 as you appear to be doing) that you go though those 
> configuration files and make the those changes (check the drbd9 docs for 
> what is needed), and then perhaps remove the existing v8 style init 
> script from systemd and re-add the new v9 one that comes with your 
> 9.5.0-2.fc30 packages.

Thanks so much for your suggestion. Even though Roland Kammerer pointed 
out the problem today, this helped me in understanding drbd quite a bit 
better as I've tried to figure out how to fix this yesterday.

On Tue, Aug 13, 2019 at 08:12:11, Roland Kammerer wrote:

> This is just utils and udev and stuff, but not the actual kmod, right?
> The kmod comes from upstream, is that correct? (cat /proc/drbd).
> If so, this would explain it. Unfortunately in kernel DRBD broke between
> 5.1 and 5.2. There are already discussions how to fix it.

Thank you so very much!!! This explains what happened. Unfortunately, I 
haven't really found any post about the drbd breaking between 5.1 and 
5.2. So, after your explanation, I'm quite happy to wait for a solution 
while temporarily keeping everyone on a 5.1 kernel Version of F30. And 
yes, it's only the utils and whatnot. If I do a cat /proc/drbd on my 
5.1.19-300 kernel Version (where drbd is still working, hence the 
connected VM), the output is the following:

version: 8.4.11 (api:1/proto:86-101)
srcversion: C27D50EE6C67ED861348AA6
3: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----
     ns:1111972 nr:0 dw:1111972 dr:3637683 al:1293 bm:0 lo:0 pe:0 ua:0 
ap:0 ep:1 wo:f oos:0

Again, thank you guys so much! I was quite desperate to find out what's 
going on since we're depending on our VMs working most days. And I do 
hope I haven't bolloxed up the formatting of the e-mails quite so much 
and kind of done it right. Haven't ever posted in a mailing list before.

Regards, Jamie

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