[ClusterLabs] No DRBD resource promoted to master in Active/Passive setup
Ken Gaillot
kgaillot at redhat.com
Fri Sep 16 11:55:51 EDT 2016
On 09/16/2016 10:02 AM, Auer, Jens wrote:
> Hi,
>
> I have an Active/Passive configuration with a drbd mast/slave resource:
>
> MDA1PFP-S01 14:40:27 1803 0 ~ # pcs status
> Cluster name: MDA1PFP
> Last updated: Fri Sep 16 14:41:18 2016 Last change: Fri Sep 16
> 14:39:49 2016 by root via cibadmin on MDA1PFP-PCS01
> Stack: corosync
> Current DC: MDA1PFP-PCS02 (version 1.1.13-10.el7-44eb2dd) - partition
> with quorum
> 2 nodes and 7 resources configured
>
> Online: [ MDA1PFP-PCS01 MDA1PFP-PCS02 ]
>
> Full list of resources:
>
> Master/Slave Set: drbd1_sync [drbd1]
> Masters: [ MDA1PFP-PCS02 ]
> Slaves: [ MDA1PFP-PCS01 ]
> mda-ip (ocf::heartbeat:IPaddr2): Started MDA1PFP-PCS02
> Clone Set: ping-clone [ping]
> Started: [ MDA1PFP-PCS01 MDA1PFP-PCS02 ]
> ACTIVE (ocf::heartbeat:Dummy): Started MDA1PFP-PCS02
> shared_fs (ocf::heartbeat:Filesystem): Started MDA1PFP-PCS02
>
> PCSD Status:
> MDA1PFP-PCS01: Online
> MDA1PFP-PCS02: Online
>
> Daemon Status:
> corosync: active/disabled
> pacemaker: active/disabled
> pcsd: active/enabled
>
> MDA1PFP-S01 14:41:19 1804 0 ~ # pcs resource --full
> Master: drbd1_sync
> Meta Attrs: master-max=1 master-node-max=1 clone-max=2
> clone-node-max=1 notify=true
> Resource: drbd1 (class=ocf provider=linbit type=drbd)
> Attributes: drbd_resource=shared_fs
> Operations: start interval=0s timeout=240 (drbd1-start-interval-0s)
> promote interval=0s timeout=90 (drbd1-promote-interval-0s)
> demote interval=0s timeout=90 (drbd1-demote-interval-0s)
> stop interval=0s timeout=100 (drbd1-stop-interval-0s)
> monitor interval=60s (drbd1-monitor-interval-60s)
> Resource: mda-ip (class=ocf provider=heartbeat type=IPaddr2)
> Attributes: ip=192.168.120.20 cidr_netmask=32 nic=bond0
> Operations: start interval=0s timeout=20s (mda-ip-start-interval-0s)
> stop interval=0s timeout=20s (mda-ip-stop-interval-0s)
> monitor interval=1s (mda-ip-monitor-interval-1s)
> Clone: ping-clone
> Resource: ping (class=ocf provider=pacemaker type=ping)
> Attributes: dampen=5s multiplier=1000 host_list=pf-pep-dev-1
> timeout=1 attempts=3
> Operations: start interval=0s timeout=60 (ping-start-interval-0s)
> stop interval=0s timeout=20 (ping-stop-interval-0s)
> monitor interval=1 (ping-monitor-interval-1)
> Resource: ACTIVE (class=ocf provider=heartbeat type=Dummy)
> Operations: start interval=0s timeout=20 (ACTIVE-start-interval-0s)
> stop interval=0s timeout=20 (ACTIVE-stop-interval-0s)
> monitor interval=10 timeout=20 (ACTIVE-monitor-interval-10)
> Resource: shared_fs (class=ocf provider=heartbeat type=Filesystem)
> Attributes: device=/dev/drbd1 directory=/shared_fs fstype=xfs
> Operations: start interval=0s timeout=60 (shared_fs-start-interval-0s)
> stop interval=0s timeout=60 (shared_fs-stop-interval-0s)
> monitor interval=20 timeout=40 (shared_fs-monitor-interval-20)
>
> MDA1PFP-S01 14:41:35 1805 0 ~ # pcs constraint --full
> Location Constraints:
> Resource: mda-ip
> Enabled on: MDA1PFP-PCS01 (score:50)
> (id:location-mda-ip-MDA1PFP-PCS01-50)
> Constraint: location-mda-ip
> Rule: score=-INFINITY boolean-op=or (id:location-mda-ip-rule)
> Expression: pingd lt 1 (id:location-mda-ip-rule-expr)
> Expression: not_defined pingd (id:location-mda-ip-rule-expr-1)
> Ordering Constraints:
> start ping-clone then start mda-ip (kind:Optional)
> (id:order-ping-clone-mda-ip-Optional)
> promote drbd1_sync then start shared_fs (kind:Mandatory)
> (id:order-drbd1_sync-shared_fs-mandatory)
> Colocation Constraints:
> ACTIVE with mda-ip (score:INFINITY) (id:colocation-ACTIVE-mda-ip-INFINITY)
> drbd1_sync with mda-ip (score:INFINITY) (rsc-role:Master)
> (with-rsc-role:Started) (id:colocation-drbd1_sync-mda-ip-INFINITY)
> shared_fs with drbd1_sync (score:INFINITY) (rsc-role:Started)
> (with-rsc-role:Master) (id:colocation-shared_fs-drbd1_sync-INFINITY)
>
> The cluster starts fine, except resources starting not on the preferred
> host. I asked this in a different question to keep things separated.
> The status after starting is:
> Last updated: Fri Sep 16 14:39:57 2016 Last change: Fri Sep 16
> 14:39:49 2016 by root via cibadmin on MDA1PFP-PCS01
> Stack: corosync
> Current DC: MDA1PFP-PCS02 (version 1.1.13-10.el7-44eb2dd) - partition
> with quorum
> 2 nodes and 7 resources configured
>
> Online: [ MDA1PFP-PCS01 MDA1PFP-PCS02 ]
>
> Master/Slave Set: drbd1_sync [drbd1]
> Masters: [ MDA1PFP-PCS02 ]
> Slaves: [ MDA1PFP-PCS01 ]
> mda-ip (ocf::heartbeat:IPaddr2): Started MDA1PFP-PCS02
> Clone Set: ping-clone [ping]
> Started: [ MDA1PFP-PCS01 MDA1PFP-PCS02 ]
> ACTIVE (ocf::heartbeat:Dummy): Started MDA1PFP-PCS02
> shared_fs (ocf::heartbeat:Filesystem): Started MDA1PFP-PCS02
>
> From this state, I did two tests to simulate a cluster failover:
> 1. Shutdown the cluster node with the master with pcs cluster stop
> 2. Disable the network device for the virtual ip with ifdown and wait
> until ping detects it
>
> In both cases, the failover is executed but the drbd is not promoted to
> master on the new active node:
> Last updated: Fri Sep 16 14:43:33 2016 Last change: Fri Sep 16
> 14:43:31 2016 by root via cibadmin on MDA1PFP-PCS01
> Stack: corosync
> Current DC: MDA1PFP-PCS01 (version 1.1.13-10.el7-44eb2dd) - partition
> with quorum
> 2 nodes and 7 resources configured
>
> Online: [ MDA1PFP-PCS01 ]
> OFFLINE: [ MDA1PFP-PCS02 ]
>
> Master/Slave Set: drbd1_sync [drbd1]
> Slaves: [ MDA1PFP-PCS01 ]
> mda-ip (ocf::heartbeat:IPaddr2): Started MDA1PFP-PCS01
> Clone Set: ping-clone [ping]
> Started: [ MDA1PFP-PCS01 ]
> ACTIVE (ocf::heartbeat:Dummy): Started MDA1PFP-PCS01
>
> I was able to trace this to the fencing in the drbd configuration
> MDA1PFP-S01 14:41:44 1806 0 ~ # cat /etc/drbd.d/shared_fs.res
> resource shared_fs {
> disk /dev/mapper/rhel_mdaf--pf--pep--1-drbd;
> disk {
> fencing resource-only;
> }
> handlers {
> fence-peer "/usr/lib/drbd/crm-fence-peer.sh";
> after-resync-target "/usr/lib/drbd/crm-unfence-peer.sh";
> }
> device /dev/drbd1;
> meta-disk internal;
> on MDA1PFP-S01 {
> address 192.168.123.10:7789;
> }
> on MDA1PFP-S02 {
> address 192.168.123.11:7789;
> }
> }
This coordinates fencing between DRBD and pacemaker. You still have to
configure fencing in pacemaker. If pacemaker can't fence the unseen
node, it can't be sure it's safe to bring up master.
> I am using drbd 8.4.7, drbd utils 8.9.5 and pacemaker 2.3.4-7.el7 with
> corosyinc 0.9.143-15.el7 from the Centos7 repositories.
>
> MDA1PFP-S01 15:00:20 1841 0 ~ # drbdadm --version
> DRBDADM_BUILDTAG=GIT-hash:\ 5d50d9fb2a967d21c0f5746370ccc066d3a67f7d\
> build\ by\ mockbuild@\,\ 2016-01-12\ 12:46:45
> DRBDADM_API_VERSION=1
> DRBD_KERNEL_VERSION_CODE=0x080407
> DRBDADM_VERSION_CODE=0x080905
> DRBDADM_VERSION=8.9.5
>
> If I disable the fencing scripts everything works as expected. If
> enabled, no node is promoted to master after failover. It seems to be a
> sticky modificaton because once a failover is simulated with fencing
> scripts activated I cannot get the cluster to work anymore. Even
> removing the setting from the DRBD configuration does not help.
>
> I captured the complete log from /var/log/messages from cluster start to
> failover if that helps:
> MDA1PFP-S01 14:48:37 1807 0 ~ # cat /var/log/messages
> Sep 16 14:40:16 MDA1PFP-S01 rsyslogd: [origin software="rsyslogd"
> swVersion="7.4.7" x-pid="13857" x-info="http://www.rsyslog.com"] start
> Sep 16 14:40:16 MDA1PFP-S01 rsyslogd-2221: module 'imuxsock' already in
> this config, cannot be added
> [try http://www.rsyslog.com/e/2221 ]
> Sep 16 14:40:16 MDA1PFP-S01 systemd: Stopping System Logging Service...
> Sep 16 14:40:16 MDA1PFP-S01 systemd: Starting System Logging Service...
> Sep 16 14:40:16 MDA1PFP-S01 systemd: Started System Logging Service.
> Sep 16 14:40:27 MDA1PFP-S01 systemd: Started Corosync Cluster Engine.
> Sep 16 14:40:27 MDA1PFP-S01 systemd: Started Pacemaker High Availability
> Cluster Manager.
> Sep 16 14:43:30 MDA1PFP-S01 crmd[13130]: notice: Operation
> ACTIVE_start_0: ok (node=MDA1PFP-PCS01, call=33, rc=0, cib-update=22,
> confirmed=true)
> Sep 16 14:43:30 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=32, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:30 MDA1PFP-S01 IPaddr2(mda-ip)[15321]: INFO: Adding inet
> address 192.168.120.20/32 with broadcast address 192.168.120.255 to
> device bond0
> Sep 16 14:43:30 MDA1PFP-S01 avahi-daemon[912]: Registering new address
> record for 192.168.120.20 on bond0.IPv4.
> Sep 16 14:43:30 MDA1PFP-S01 IPaddr2(mda-ip)[15321]: INFO: Bringing
> device bond0 up
> Sep 16 14:43:30 MDA1PFP-S01 kernel: block drbd1: peer( Primary ->
> Secondary )
> Sep 16 14:43:30 MDA1PFP-S01 IPaddr2(mda-ip)[15321]: INFO:
> /usr/libexec/heartbeat/send_arp -i 200 -r 5 -p
> /var/run/resource-agents/send_arp-192.168.120.20 bond0 192.168.120.20
> auto not_used not_used
> Sep 16 14:43:30 MDA1PFP-S01 crmd[13130]: notice: Operation
> mda-ip_start_0: ok (node=MDA1PFP-PCS01, call=35, rc=0, cib-update=24,
> confirmed=true)
> Sep 16 14:43:30 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=36, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:30 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=38, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:30 MDA1PFP-S01 kernel: drbd shared_fs: peer( Secondary ->
> Unknown ) conn( Connected -> TearDown ) pdsk( UpToDate -> DUnknown )
> Sep 16 14:43:30 MDA1PFP-S01 kernel: drbd shared_fs: ack_receiver terminated
> Sep 16 14:43:30 MDA1PFP-S01 kernel: drbd shared_fs: Terminating
> drbd_a_shared_f
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: Connection closed
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: conn( TearDown ->
> Unconnected )
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: receiver terminated
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: Restarting receiver
> thread
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: receiver (re)started
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: conn( Unconnected ->
> WFConnection )
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=39, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=40, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: helper command:
> /sbin/drbdadm fence-peer shared_fs
> Sep 16 14:43:31 MDA1PFP-S01 crm-fence-peer.sh[15569]: invoked for shared_fs
> Sep 16 14:43:31 MDA1PFP-S01 crm-fence-peer.sh[15569]: INFO peer is not
> reachable, my disk is UpToDate: placed constraint
> 'drbd-fence-by-handler-shared_fs-drbd1_sync'
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: helper command:
> /sbin/drbdadm fence-peer shared_fs exit code 5 (0x500)
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: fence-peer helper
> returned 5 (peer is unreachable, assumed to be dead)
> Sep 16 14:43:31 MDA1PFP-S01 kernel: drbd shared_fs: pdsk( DUnknown ->
> Outdated )
> Sep 16 14:43:31 MDA1PFP-S01 kernel: block drbd1: role( Secondary ->
> Primary )
> Sep 16 14:43:31 MDA1PFP-S01 kernel: block drbd1: new current UUID
> B1FC3E9C008711DD:C02542C7B26F9B28:BCC6102B1FD69768:BCC5102B1FD69768
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: error: pcmkRegisterNode:
> Triggered assert at xml.c:594 : node->type == XML_ELEMENT_NODE
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_promote_0: ok (node=MDA1PFP-PCS01, call=41, rc=0, cib-update=26,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=42, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Our peer on the DC
> (MDA1PFP-PCS02) is dead
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: State transition
> S_NOT_DC -> S_ELECTION [ input=I_ELECTION cause=C_CRMD_STATUS_CALLBACK
> origin=peer_update_callback ]
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: State transition
> S_ELECTION -> S_INTEGRATION [ input=I_ELECTION_DC cause=C_TIMER_POPPED
> origin=election_timeout_popped ]
> Sep 16 14:43:31 MDA1PFP-S01 attrd[13128]: notice: crm_update_peer_proc:
> Node MDA1PFP-PCS02[2] - state is now lost (was member)
> Sep 16 14:43:31 MDA1PFP-S01 attrd[13128]: notice: Removing all
> MDA1PFP-PCS02 attributes for attrd_peer_change_cb
> Sep 16 14:43:31 MDA1PFP-S01 attrd[13128]: notice: Lost attribute writer
> MDA1PFP-PCS02
> Sep 16 14:43:31 MDA1PFP-S01 attrd[13128]: notice: Removing
> MDA1PFP-PCS02/2 from the membership list
> Sep 16 14:43:31 MDA1PFP-S01 attrd[13128]: notice: Purged 1 peers with
> id=2 and/or uname=MDA1PFP-PCS02 from the membership cache
> Sep 16 14:43:31 MDA1PFP-S01 stonith-ng[13125]: notice:
> crm_update_peer_proc: Node MDA1PFP-PCS02[2] - state is now lost (was member)
> Sep 16 14:43:31 MDA1PFP-S01 stonith-ng[13125]: notice: Removing
> MDA1PFP-PCS02/2 from the membership list
> Sep 16 14:43:31 MDA1PFP-S01 stonith-ng[13125]: notice: Purged 1 peers
> with id=2 and/or uname=MDA1PFP-PCS02 from the membership cache
> Sep 16 14:43:31 MDA1PFP-S01 cib[13124]: notice: crm_update_peer_proc:
> Node MDA1PFP-PCS02[2] - state is now lost (was member)
> Sep 16 14:43:31 MDA1PFP-S01 cib[13124]: notice: Removing
> MDA1PFP-PCS02/2 from the membership list
> Sep 16 14:43:31 MDA1PFP-S01 cib[13124]: notice: Purged 1 peers with
> id=2 and/or uname=MDA1PFP-PCS02 from the membership cache
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: warning: FSA: Input
> I_ELECTION_DC from do_election_check() received in state S_INTEGRATION
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Notifications disabled
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: error: pcmkRegisterNode:
> Triggered assert at xml.c:594 : node->type == XML_ELEMENT_NODE
> Sep 16 14:43:31 MDA1PFP-S01 pengine[13129]: notice: On loss of CCM
> Quorum: Ignore
> Sep 16 14:43:31 MDA1PFP-S01 pengine[13129]: notice: Demote drbd1:0
> (Master -> Slave MDA1PFP-PCS01)
> Sep 16 14:43:31 MDA1PFP-S01 pengine[13129]: notice: Calculated
> Transition 0: /var/lib/pacemaker/pengine/pe-input-414.bz2
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Initiating action 55:
> notify drbd1_pre_notify_demote_0 on MDA1PFP-PCS01 (local)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=43, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Initiating action 8:
> demote drbd1_demote_0 on MDA1PFP-PCS01 (local)
> Sep 16 14:43:31 MDA1PFP-S01 systemd-udevd: error: /dev/drbd1: Wrong
> medium type
> Sep 16 14:43:31 MDA1PFP-S01 kernel: block drbd1: role( Primary ->
> Secondary )
> Sep 16 14:43:31 MDA1PFP-S01 kernel: block drbd1: bitmap WRITE of 0 pages
> took 0 jiffies
> Sep 16 14:43:31 MDA1PFP-S01 kernel: block drbd1: 0 KB (0 bits) marked
> out-of-sync by on disk bit-map.
> Sep 16 14:43:31 MDA1PFP-S01 systemd-udevd: error: /dev/drbd1: Wrong
> medium type
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: error: pcmkRegisterNode:
> Triggered assert at xml.c:594 : node->type == XML_ELEMENT_NODE
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_demote_0: ok (node=MDA1PFP-PCS01, call=44, rc=0, cib-update=49,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Initiating action 56:
> notify drbd1_post_notify_demote_0 on MDA1PFP-PCS01 (local)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Operation
> drbd1_notify_0: ok (node=MDA1PFP-PCS01, call=45, rc=0, cib-update=0,
> confirmed=true)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Initiating action 10:
> monitor drbd1_monitor_60000 on MDA1PFP-PCS01 (local)
> Sep 16 14:43:31 MDA1PFP-S01 corosync[13019]: [TOTEM ] A new membership
> (192.168.121.10:988) was formed. Members left: 2
> Sep 16 14:43:31 MDA1PFP-S01 corosync[13019]: [QUORUM] Members[1]: 1
> Sep 16 14:43:31 MDA1PFP-S01 corosync[13019]: [MAIN ] Completed service
> synchronization, ready to provide service.
> Sep 16 14:43:31 MDA1PFP-S01 pacemakerd[13113]: notice:
> crm_reap_unseen_nodes: Node MDA1PFP-PCS02[2] - state is now lost (was
> member)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: crm_reap_unseen_nodes:
> Node MDA1PFP-PCS02[2] - state is now lost (was member)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: warning: No match for shutdown
> action on 2
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Stonith/shutdown of
> MDA1PFP-PCS02 not matched
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Transition aborted:
> Node failure (source=peer_update_callback:252, 0)
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: error: pcmkRegisterNode:
> Triggered assert at xml.c:594 : node->type == XML_ELEMENT_NODE
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Transition 0
> (Complete=10, Pending=0, Fired=0, Skipped=0, Incomplete=0,
> Source=/var/lib/pacemaker/pengine/pe-input-414.bz2): Complete
> Sep 16 14:43:31 MDA1PFP-S01 pengine[13129]: notice: On loss of CCM
> Quorum: Ignore
> Sep 16 14:43:31 MDA1PFP-S01 pengine[13129]: notice: Calculated
> Transition 1: /var/lib/pacemaker/pengine/pe-input-415.bz2
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: Transition 1
> (Complete=0, Pending=0, Fired=0, Skipped=0, Incomplete=0,
> Source=/var/lib/pacemaker/pengine/pe-input-415.bz2): Complete
> Sep 16 14:43:31 MDA1PFP-S01 crmd[13130]: notice: State transition
> S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SUCCESS cause=C_FSA_INTERNAL
> origin=notify_crmd ]
> Sep 16 14:48:48 MDA1PFP-S01 chronyd[909]: Source 62.116.162.126 replaced
> with 46.182.19.75
>
> Any help appreciated,
> Jens
>
>
> --
> *Jens Auer *| CGI | Software-Engineer
> CGI (Germany) GmbH & Co. KG
> Rheinstraße 95 | 64295 Darmstadt | Germany
> T: +49 6151 36860 154
> _jens.auer at cgi.com_ <mailto:jens.auer at cgi.com>
> Unsere Pflichtangaben gemäß § 35a GmbHG / §§ 161, 125a HGB finden Sie
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> --
> *Jens Auer *| CGI | Software-Engineer
> CGI (Germany) GmbH & Co. KG
> Rheinstraße 95 | 64295 Darmstadt | Germany
> T: +49 6151 36860 154
> _jens.auer at cgi.com_ <mailto:jens.auer at cgi.com>
> Unsere Pflichtangaben gemäß § 35a GmbHG / §§ 161, 125a HGB finden Sie
> unter _de.cgi.com/pflichtangaben_ <http://de.cgi.com/pflichtangaben>.
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