[DRBD-user] Resource is 'Blocked: upper'

Lars Ellenberg lars.ellenberg at linbit.com
Mon Aug 27 17:44:09 CEST 2018

On Mon, Aug 27, 2018 at 05:01:52PM +0200, Julien Escario wrote:
> Hello,
> We're stuck in a strange situation. One of our ressources is marked as :
> volume 0 (/dev/drbd155): UpToDate(normal disk state) Blocked: upper
> I used drbdtop to get this info because drbdadm hangs.
> I can also see a drbdsetup process blocked :
> drbdsetup disk-options 155 --set-defaults --read-balancing=prefer-local
> --al-extents=6481 --al-updates=no --md-flushes=no

maybe check /proc/<pid>/stack to see where it blocks.
Also, what DRBD (kernel) version is this?

> Any low level command to reset this state and shutdown the resource to unblock
> the whole think ?

Depends on what the "blocked" thingy is waiting for.
Probably not.


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