[DRBD-user] Lars said Dont do that. I did.

Lars Ellenberg lars.ellenberg at linbit.com
Wed Mar 17 12:23:52 CET 2010

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

On Wed, Mar 17, 2010 at 04:07:25AM -0700, dbarker wrote:
> Lars Ellenberg wrote:
> > 
> > In case you where asking something, I must have missed the question,
> > sorry :-]
> > 
> > 
> Sorry I was a bit obscure. The question is "What happens if you adjust
> verify-alg while connected Primary/Primary and then do a verify?"

With recent DRBD versions that is supposed to "just work" ;-)

Make sure though that you don't change network parameters in drbd.conf
while Connected Primary/Primary, as that would still first disconnect
(causing split brain) then connect (detecting the split brain)...

always best to first do
 drbdadm -d adjust
to see what it would do,
before actually doing it.

> I had already started the verify when I found your warning in that old
> thread, and wanted to know if I'd hurt anything. I tried it out on a
> non-production clone (with much smaller disks) and it appeared to work. I
> then did the detach/attach on my production disk and that appeared to work,
> also. So, I think I am in the clear.

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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