[Pacemaker] A secondary DRBD is not brought online after "crm resource online" in Ubuntu 14.04
Vladislav Bogdanov
bubble at hoster-ok.com
Sat Jan 3 14:27:33 EST 2015
03.01.2015 20:35, Dmitry Koterov wrote:
> Hello.
>
> Ubuntu 14.04, corosync 2.3.3, pacemaker 1.1.10. The cluster consists of
> 2 nodes (node1 and node2), when I run "crm node standby node2" and then,
> in a minute, "crm node online node2", DRBD secondary on node2 does not
> start. Logs say that "drbdadm -c /etc/drbd.conf check-resize vlv" fails
> with an error message: "No valid meta data found" on the onlining node.
> And, surprisingly, after I run "service drbd start" on node2 manually,
> everything becomes fine.
>
> Maybe something is broken in /usr/lib/ocf/resource.d/linbit/drbd, why
> cannot it start DRBD? Or I am misconfigured somehow? Could you please
> give an advice what to do?
Please see inline in drbdadm output.
>
> I have the following configuration (drbd + mount + postgresql, but
> postgresql is innocent here, so just ignore it):
>
> *root at node2:/var/log#* crm configure show
> node $id="1017525950" node2 attributes standby="off"
> node $id="1760315215" node1
> primitive drbd ocf:linbit:drbd \
> params drbd_resource="vlv" \
> op start interval="0" timeout="240" \
> op stop interval="0" timeout="120"
> primitive fs ocf:heartbeat:Filesystem \
> params device="/dev/drbd0" directory="/var/lib/vlv.drbd/root"
> options="noatime,nodiratime" fstype="xfs" \
> op start interval="0" timeout="300" \
> op stop interval="0" timeout="300"
> primitive postgresql lsb:postgresql \
> op monitor interval="4" timeout="60" \
> op start interval="0" timeout="60" \
> op stop interval="0" timeout="60"
> group pgserver fs postgresql
> ms ms_drbd drbd \
> meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1"
> notify="true"
> location cli-prefer-pgserver pgserver inf: node1
> colocation col_pgserver inf: pgserver ms_drbd:Master
> order ord_pgserver inf: ms_drbd:promote pgserver:start
> property $id="cib-bootstrap-options" dc-version="1.1.10-42f2063"
> cluster-infrastructure="corosync"
> stonith-enabled="false" no-quorum-policy="ignore"
> last-lrm-refresh="1420304078"
> rsc_defaults $id="rsc-options" \
> resource-stickiness="100"
>
>
> The cluster and DRBD statuses on node2 look healthy:
>
>
> *root at node2:/var/log#* crm status
> ...
> Online: [ node1 node2 ]
> Master/Slave Set: ms_drbd [drbd]
> Masters: [ node1 ]
> Slaves: [ node2 ]
> Resource Group: pgserver
> fs(ocf::heartbeat:Filesystem):Started node1
> postgresql(lsb:postgresql):Started node1
>
> *root at node2:/var/log#* cat /proc/drbd
> version: 8.4.3 (api:1/proto:86-101)
> srcversion: F97798065516C94BE0F27DC
> 0: cs:Connected ro:Secondary/Primary ds:Diskless/UpToDate C r-----
^^^^^^^^
that is your problem
> ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0
>
>
> Now I switch node2 to standby and verify that DRBD on it has really shot
> down:
>
>
> *root at node1:/etc/rc2.d#* crm node standby node2
> *root at node2:/var/log#* cat /proc/drbd
> version: 8.4.3 (api:1/proto:86-101)
> srcversion: F97798065516C94BE0F27DC
> *root at node2:/var/log#*
> *
> *
> Then I switch node2 back online and see that DRBD has not been
> initialized and reattached again!
>
> *root at node2:/var/log#* >syslog
> *root at node1:/etc#* crm node online node2
> *root at node2:/var/log#* crm status
> ...
> Online: [ node1 node2 ]
> Master/Slave Set: ms_drbd [drbd]
> Masters: [ node1 ]
> Stopped: [ node2 ]
> Resource Group: pgserver
> fs(ocf::heartbeat:Filesystem):Started node1
> postgresql(lsb:postgresql):Started node1
> Failed actions:
> drbd_start_0 (node=node2, call=81, rc=1, status=complete,
> last-rc-change=Sat Jan 3 12:05:32 2015
> , queued=1118ms, exec=0ms
> ): unknown error
>
> *root at node2:/var/log#* cat syslog | head -n 30
> Jan 3 12:05:31 node2 crmd[918]: notice: do_state_transition: State
> transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC
> cause=C_FSA_INTERNAL origin=abort_transition_graph ]
> Jan 3 12:05:31 node2 cib[913]: notice: cib:diff: Diff: --- 0.29.3
> Jan 3 12:05:31 node2 cib[913]: notice: cib:diff: Diff: +++ 0.30.1
> 027344551b46745123e4a52562e55974
> Jan 3 12:05:31 node2 pengine[917]: notice: unpack_config: On loss of
> CCM Quorum: Ignore
> Jan 3 12:05:31 node2 pengine[917]: notice: LogActions: Start
> drbd:1#011(node2)
> Jan 3 12:05:31 node2 crmd[918]: notice: te_rsc_command: Initiating
> action 46: notify drbd_pre_notify_start_0 on node1
> Jan 3 12:05:31 node2 pengine[917]: notice: process_pe_message:
> Calculated Transition 11: /var/lib/pacemaker/pengine/pe-input-11.bz2
> Jan 3 12:05:32 node2 crmd[918]: notice: te_rsc_command: Initiating
> action 10: start drbd:1_start_0 on node2 (local)
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf check-resize vlv
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf --peer node1 attach vlv
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf --peer node1 attach vlv
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ no suitable meta data found :( ]
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ Command 'drbdmeta 0 v08 /dev/loop0 internal
> check-resize' terminated with exit code 255 ]
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ No valid meta data found ]
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ Command 'drbdmeta 0 v08 /dev/loop0 internal
> apply-al' terminated with exit code 255 ]
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ No valid meta data found ]
> Jan 3 12:05:33 node2 lrmd[915]: notice: operation_finished:
> drbd_start_0:1931:stderr [ Command 'drbdmeta 0 v08 /dev/loop0 internal
> apply-al' terminated with exit code 255 ]
> Jan 3 12:05:33 node2 crmd[918]: notice: process_lrm_event: LRM
> operation drbd_start_0 (call=81, rc=1, cib-update=79, confirmed=true)
> unknown error
> Jan 3 12:05:33 node2 crmd[918]: notice: process_lrm_event:
> node2-drbd_start_0:81 [ \n\n\n\n\n\n\n ]
> Jan 3 12:05:33 node2 crmd[918]: warning: status_from_rc: Action 10
> (drbd:1_start_0) on node2 failed (target: 0 vs. rc: 1): Error
> Jan 3 12:05:33 node2 crmd[918]: warning: update_failcount: Updating
> failcount for drbd on node2 after failed start: rc=1 (update=INFINITY,
> time=1420304733)
> Jan 3 12:05:33 node2 attrd[916]: notice: attrd_trigger_update:
> Sending flush op to all hosts for: fail-count-drbd (INFINITY)
> Jan 3 12:05:33 node2 attrd[916]: notice: attrd_perform_update: Sent
> update 60: fail-count-drbd=INFINITY
> Jan 3 12:05:33 node2 attrd[916]: notice: attrd_trigger_update:
> Sending flush op to all hosts for: last-failure-drbd (1420304733)
>
> root at node2:/var/log# cat syslog | grep ERROR | head -n 30
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf check-resize vlv
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf --peer node1 attach vlv
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:32 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf --peer node1 attach vlv
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Exit code 255
> Jan 3 12:05:33 node2 drbd(drbd)[1931]: ERROR: vlv: Command output:
> Jan 3 12:05:33 node2 drbd(drbd)[2021]: ERROR: vlv: Called drbdadm -c
> /etc/drbd.conf --peer node1 -v adjust vlv
> Jan 3 12:05:33 node2 drbd(drbd)[2021]: ERROR: vlv: Exit code 1
> Jan 3 12:05:33 node2 drbd(drbd)[2021]: ERROR: vlv: Command output:
> drbdmeta 0 v08 /dev/loop0 internal apply-al
>
>
> Here's the DRBD config file:
>
>
> *root at node2:/var/log#* cat /etc/drbd.d/drbd.res
> resource vlv {
> device /dev/drbd0;
> disk /dev/loop0;
> meta-disk internal;
> syncer { rate 150M; verify-alg md5; }
> on node1 { address x.x.x.x:7788; }
> on node2 { address y.y.y.y:7788; }
> }
>
> *root at node2:/var/log#* losetup -a
> /dev/loop0: [fd01]:1314858 (/var/lib/vlv.drbd/vlv.img)
>
>
>
>
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