Hi Oleksiy ,

i want to ask you :

are you using DRBD together with Software or Firmware Raid ?

Can you give me an lsblk output ?

BR

Evans

On 8/14/18 11:02 AM, Yannis Milios wrote:
Does this happen on both nodes? What’s the status of the backing device (lvm) ? Can you post the exact versions for both kernel module and utils? Any clue in the logs?

On Tue, 14 Aug 2018 at 06:57, Oleksiy Evin <[email protected] <mailto:[email protected]>> wrote:

    Hi,

    We have DRBD 8.4 over LVM volume setup on CentOS7.

    After a forcibly rebooted both nodes we've got DRBD resources in a
    Diskless state and unable to attach any of it or make it primary.

    # drbd-overview
    0:master-drbd/0  Connected Secondary/Secondary Diskless/Diskless

    # drbdadm attach all
    extent 19136522 beyond end of bitmap!
    extent 19143798 beyond end of bitmap!
    extent 19151565 beyond end of bitmap!

    ../shared/drbdmeta.c:2279:apply_al: ASSERT(bm_pos - bm_on_disk_pos
    <= chunk - extents_size) failed.

    I've tried to invalidate or connect discarding the data (drbdadm
    connect --discard-my-data all), nothing helped.

    I suppose that this is some corruption happened with activity log.
    Is there any way to resolve/discard the latest changes to make the
    resource up to date?
    Regards,
    Oleksiy Evin
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