[DRBD-user] Trouble with connecting / starting drbd.

Lars Ellenberg lars.ellenberg at linbit.com
Tue Jan 19 11:33:51 CET 2016

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


On Sun, Jan 17, 2016 at 09:42:04AM +0100, Dirk Bonenkamp - ProActive Software wrote:
> Hi All,
> 
> I've run into some problems on my DRDB cluster this week. This cluster
> has been running fine for over a year. All of a sudden the secondary failed:
> 
> Jan 14 08:37:58 data2 kernel: [4895290.318176] drbd r0: meta connection
> shut down by peer.
> Jan 14 08:37:58 data2 kernel: [4895290.318361] drbd r0: peer( Primary ->
> Unknown ) conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown )
> Jan 14 08:37:58 data2 kernel: [4895290.318532] drbd r0: asender terminated
> Jan 14 08:37:58 data2 kernel: [4895290.318534] drbd r0: Terminating
> drbd_a_r0
> Jan 14 08:38:07 data2 kernel: [4895298.502391] drbd r0: Connection closed
> Jan 14 08:38:07 data2 kernel: [4895298.502405] drbd r0: conn(
> NetworkFailure -> Unconnected )
> Jan 14 08:38:07 data2 kernel: [4895298.502406] drbd r0: receiver terminated
> Jan 14 08:38:07 data2 kernel: [4895298.502408] drbd r0: Restarting
> receiver thread
> Jan 14 08:38:07 data2 kernel: [4895298.502409] drbd r0: receiver (re)started
> Jan 14 08:38:07 data2 kernel: [4895298.502415] drbd r0: conn(
> Unconnected -> WFConnection )
> Jan 14 08:38:07 data2 kernel: [4895299.002586] drbd r0: Handshake
> successful: Agreed network protocol version 101
> Jan 14 08:38:07 data2 kernel: [4895299.002592] drbd r0: Agreed to
> support TRIM on protocol level
> Jan 14 08:38:07 data2 kernel: [4895299.002813] drbd r0: Peer
> authenticated using 20 bytes HMAC
> Jan 14 08:38:07 data2 kernel: [4895299.002848] drbd r0: conn(
> WFConnection -> WFReportParams )
> Jan 14 08:38:07 data2 kernel: [4895299.002852] drbd r0: Starting asender
> thread (from drbd_r_r0 [3400])
> 
> It would reconnect, sync, and disconnect again. I stopped the node,
> checked the hardware (all seems fine), rebooted and tried to start drbd
> again:
> 
> root at data2:/var/log# drbdadm connect r0
> r0: Failure: (158) Unknown resource

As you probably found out by now,
You can only "connect" something that is already there.
Try "up", or better yet, "adjust".


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

DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
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