[ovirt-users] vm.conf on one of the node is missing
knarra
knarra at redhat.com
Fri Nov 25 06:52:28 UTC 2016
On 11/25/2016 03:35 AM, Simone Tiraboschi wrote:
>
> On Thu, Nov 24, 2016 at 3:35 PM, Simone Tiraboschi
> <stirabos at redhat.com <mailto:stirabos at redhat.com>> wrote:
>
>
>
> On Thu, Nov 24, 2016 at 3:23 PM, knarra <knarra at redhat.com
> <mailto:knarra at redhat.com>> wrote:
>
> On 11/24/2016 07:47 PM, Simone Tiraboschi wrote:
>>
>>
>> On Thu, Nov 24, 2016 at 3:06 PM, knarra <knarra at redhat.com
>> <mailto:knarra at redhat.com>> wrote:
>>
>> On 11/24/2016 07:27 PM, Simone Tiraboschi wrote:
>>>
>>>
>>> On Thu, Nov 24, 2016 at 2:39 PM, knarra
>>> <knarra at redhat.com <mailto:knarra at redhat.com>> wrote:
>>>
>>> On 11/24/2016 06:56 PM, Simone Tiraboschi wrote:
>>>>
>>>>
>>>> On Thu, Nov 24, 2016 at 2:08 PM, knarra
>>>> <knarra at redhat.com <mailto:knarra at redhat.com>> wrote:
>>>>
>>>> On 11/24/2016 06:15 PM, Simone Tiraboschi wrote:
>>>>>
>>>>>
>>>>> On Thu, Nov 24, 2016 at 1:26 PM, knarra
>>>>> <knarra at redhat.com <mailto:knarra at redhat.com>>
>>>>> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I have three nodes with glusterfs as
>>>>> storage domain. For some reason i see that
>>>>> vm.conf from
>>>>> /var/run/ovirt-hosted-engine-ha is missing
>>>>> and due to this on one of my host i see
>>>>> that Hosted Engine HA : Not Active. Once i
>>>>> copy the file from some other node and
>>>>> restart ovirt-ha-broker and ovirt-ha-agent
>>>>> services everything works fine. But then
>>>>> this happens again. Can some please help
>>>>> me identify why this happens. Below is the
>>>>> log i see in ovirt-ha-agent.logs.
>>>>>
>>>>>
>>>>> https://paste.fedoraproject.org/489120/79990345/
>>>>> <https://paste.fedoraproject.org/489120/79990345/>
>>>>>
>>>>>
>>>>> Once the engine correctly imported the
>>>>> hosted-engine storage domain, a couple of
>>>>> OVF_STORE volumes will appear there.
>>>>> Every modification to the engine VM
>>>>> configuration will be written by the engine
>>>>> into that OVF_STORE, so all the ovirt-ha-agent
>>>>> running on the hosted-engine hosts will be
>>>>> able to re-start the engine VM with a coherent
>>>>> configuration.
>>>>>
>>>>> Till the engine imports the hosted-engine
>>>>> storage domain, ovirt-ha-agent will fall back
>>>>> to the initial vm.conf.
>>>>>
>>>>> In you case the OVF_STORE volume is there,
>>>>> but the agent fails extracting the engine VM
>>>>> configuration:
>>>>> MainThread::INFO::2016-11-24
>>>>> 17:55:04,914::ovf_store::112::ovirt_hosted_engine_ha.lib.ovf.ovf_store.OVFStore::(getEngineVMOVF)
>>>>> Extracting Engine VM OVF from the OVF_STORE
>>>>> MainThread::INFO::2016-11-24
>>>>> 17:55:04,919::ovf_store::119::ovirt_hosted_engine_ha.lib.ovf.ovf_store.OVFStore::(getEngineVMOVF)
>>>>> OVF_STORE volume path:
>>>>> /rhev/data-center/mnt/glusterSD/10.70.36.79:_engine/27f054c3-c245-4039-b42a-c28b37043016/images/fdf49778-9a06-49c6-bf7a-a0f12425911c/8c954add-6bcf-47f8-ac2e-4c85fc3f8699
>>>>> MainThread::ERROR::2016-11-24
>>>>> 17:55:04,928::ovf_store::124::ovirt_hosted_engine_ha.lib.ovf.ovf_store.OVFStore::(getEngineVMOVF)
>>>>> Unable to extract HEVM OVF
>>>>>
>>>>> So it tries to rollback to the initial
>>>>> vm.conf, but also that one seams to miss some
>>>>> values and so the agent is failing:
>>>>> MainThread::ERROR::2016-11-24
>>>>> 17:55:04,974::agent::205::ovirt_hosted_engine_ha.agent.agent.Agent::(_run_agent)
>>>>> Error: ''Configuration value not found:
>>>>> file=/var/run/ovirt-hosted-engine-ha/vm.conf,
>>>>> key=memSize'' - trying to restart agent
>>>>>
>>>>> Both of the issue seams storage related, could
>>>>> yuo please share your gluster logs?
>>>>>
>>>>>
>>>>> Thanks
>>>>>
>>>>> kasturi
>>>>>
>>>>>
>>>> Hi Simone,
>>>>
>>>> Below [1] is the link for the sosreports on
>>>> the first two hosts. The third host has some
>>>> issue. Once it is up will give the sosreport
>>>> from there as well.
>>>>
>>>>
>>>> And the host where you see the initial issue was
>>>> the third one?
>>> It is on the first host.
>>>
>>>
>>> It seams that host1 is failing reading from the the
>>> hosted-engine storage domain:
>>>
>>> [2016-11-24 12:33:43.678467] W [MSGID: 114031]
>>> [client-rpc-fops.c:2938:client3_3_lookup_cbk]
>>> 0-engine-client-2: remote operation failed. Path: /
>>> (00000000-0000-0000-0000-000000000001) [Transport
>>> endpoint is not connected]
>>> [2016-11-24 12:33:43.678747] E
>>> [rpc-clnt.c:365:saved_frames_unwind] (-->
>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x192)[0x7f077eba1642]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_unwind+0x1de)[0x7f077e96775e]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_destroy+0xe)[0x7f077e96786e]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0x84)[0x7f077e968fc4]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_notify+0x120)[0x7f077e9698a0]
>>> ))))) 0-engine-client-2: forced unwinding frame
>>> type(GlusterFS 3.3) op(LOOKUP(27)) called at 2016-11-24
>>> 12:33:07.495178 (xid=0x82a1c)
>>> [2016-11-24 12:33:43.678982] E
>>> [rpc-clnt.c:365:saved_frames_unwind] (-->
>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x192)[0x7f077eba1642]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_unwind+0x1de)[0x7f077e96775e]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_destroy+0xe)[0x7f077e96786e]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0x84)[0x7f077e968fc4]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_notify+0x120)[0x7f077e9698a0]
>>> ))))) 0-engine-client-2: forced unwinding frame
>>> type(GlusterFS 3.3) op(LOOKUP(27)) called at 2016-11-24
>>> 12:33:08.770637 (xid=0x82a1d)
>>> [2016-11-24 12:33:43.679001] W [MSGID: 114031]
>>> [client-rpc-fops.c:2938:client3_3_lookup_cbk]
>>> 0-engine-client-2: remote operation failed. Path:
>>> /27f054c3-c245-4039-b42a-c28b37043016/images/39960f40-4aae-4714-ba73-1637785fae7c/38fa3519-f21e-4671-8c69-d1497ff8a490
>>> (1090c25b-9c90-434e-a133-faf9647cc992) [Transport
>>> endpoint is not connected]
>>> [2016-11-24 12:33:43.679303] E
>>> [rpc-clnt.c:365:saved_frames_unwind] (-->
>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x192)[0x7f077eba1642]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_unwind+0x1de)[0x7f077e96775e]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_destroy+0xe)[0x7f077e96786e]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0x84)[0x7f077e968fc4]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_notify+0x120)[0x7f077e9698a0]
>>> ))))) 0-engine-client-2: forced unwinding frame
>>> type(GlusterFS 3.3) op(LOOKUP(27)) called at 2016-11-24
>>> 12:33:11.096856 (xid=0x82a1e)
>>> [2016-11-24 12:33:43.679596] E
>>> [rpc-clnt.c:365:saved_frames_unwind] (-->
>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x192)[0x7f077eba1642]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_unwind+0x1de)[0x7f077e96775e]
>>> (-->
>>> /lib64/libgfrpc.so.0(saved_frames_destroy+0xe)[0x7f077e96786e]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_connection_cleanup+0x84)[0x7f077e968fc4]
>>> (-->
>>> /lib64/libgfrpc.so.0(rpc_clnt_notify+0x120)[0x7f077e9698a0]
>>> ))))) 0-engine-client-2: forced unwinding frame
>>> type(GF-DUMP) op(NULL(2)) called at 2016-11-24
>>> 12:33:13.673743 (xid=0x82a1f)
>>> [2016-11-24 12:33:43.682310] I
>>> [socket.c:3401:socket_submit_request] 0-engine-client-2:
>>> not connected (priv->connected = 0)
>>> [2016-11-24 12:33:43.682328] W
>>> [rpc-clnt.c:1640:rpc_clnt_submit] 0-engine-client-2:
>>> failed to submit rpc-request (XID: 0x82a20 Program:
>>> GlusterFS 3.3, ProgVers: 330, Proc: 30) to rpc-transport
>>> (engine-client-2)
>>> [2016-11-24 12:33:43.682391] W
>>> [rpc-clnt.c:1640:rpc_clnt_submit] 0-engine-client-2:
>>> failed to submit rpc-request (XID: 0x82a21 Program:
>>> GlusterFS 3.3, ProgVers: 330, Proc: 27) to rpc-transport
>>> (engine-client-2)
>>> [2016-11-24 12:33:43.682441] W
>>> [rpc-clnt.c:1640:rpc_clnt_submit] 0-engine-client-2:
>>> failed to submit rpc-request (XID: 0x82a22 Program:
>>> GlusterFS 3.3, ProgVers: 330, Proc: 27) to rpc-transport
>>> (engine-client-2)
>>> [2016-11-24 12:33:43.682441] W [MSGID: 114031]
>>> [client-rpc-fops.c:2938:client3_3_lookup_cbk]
>>> 0-engine-client-2: remote operation failed. Path:
>>> /27f054c3-c245-4039-b42a-c28b37043016
>>> (a64398f5-3fa3-48fe-9d40-d3860876cc2c) [Transport
>>> endpoint is not connected]
>>> [2016-11-24 12:33:43.682492] W
>>> [rpc-clnt-ping.c:203:rpc_clnt_ping_cbk]
>>> 0-engine-client-2: socket disconnected
>>> [2016-11-24 12:33:43.682536] I [MSGID: 114018]
>>> [client.c:2280:client_rpc_notify] 0-engine-client-2:
>>> disconnected from engine-client-2. Client process will
>>> keep trying to connect to glusterd until brick's port is
>>> available
>>> [2016-11-24 12:33:43.682562] W
>>> [rpc-clnt.c:1640:rpc_clnt_submit] 0-engine-client-2:
>>> failed to submit rpc-request (XID: 0x82a23 Program:
>>> GlusterFS 3.3, ProgVers: 330, Proc: 27) to rpc-transport
>>> (engine-client-2)
>>> The message "W [MSGID: 114031]
>>> [client-rpc-fops.c:2938:client3_3_lookup_cbk]
>>> 0-engine-client-2: remote operation failed. Path:
>>> /27f054c3-c245-4039-b42a-c28b37043016
>>> (a64398f5-3fa3-48fe-9d40-d3860876cc2c) [Transport
>>> endpoint is not connected]" repeated 2 times between
>>> [2016-11-24 12:33:43.682441] and [2016-11-24
>>> 12:33:43.682599]
>>> [2016-11-24 12:33:43.688324] W [MSGID: 114031]
>>> [client-rpc-fops.c:2938:client3_3_lookup_cbk]
>>> 0-engine-client-2: remote operation failed. Path: (null)
>>> (00000000-0000-0000-0000-000000000000) [Transport
>>> endpoint is not connected]
>>>
>>> Before that there was a lot of self-healing activities.
>>>
>> simone, these logs indicates that first host is not able
>> to connect to the brick in the third host since it was
>> powered down. It reads remote operation failed on
>> engine_client_2 .
>>
>>
>> Can you please share the output of
>> source /etc/ovirt-hosted-engine/hosted-engine.conf
>> find /rhev/data-center/ -path
>> "*/${sdUUID}/images/${conf_image_UUID}/${conf_volume_UUID}"
>> -type f -exec sh -c 'sudo -u vdsm dd if=$1 2>/dev/null | tar
>> -xOvf - vm.conf 2>/dev/null' {} {} \;
>> executed on your first host?
> output for the above command
> https://paste.fedoraproject.org/489159/97176147/
> <https://paste.fedoraproject.org/489159/97176147/>
>
>
> This one looks fine,
> now the point is why the OVF_STORE doesn't seams so,
>
> Could you please try executing:
> sudo -u vdsm dd
> if=/rhev/data-center/mnt/glusterSD/10.70.36.79:_engine/27f054c3-c245-4039-b42a-c28b37043016/images/fdf49778-9a06-49c6-bf7a-a0f12425911c/8c954add-6bcf-47f8-ac2e-4c85fc3f8699 |
> tar -xOvf - 21e0e248-19bf-47b3-b72f-6a3740d9ff43.ovf
>
>
> OK, found: it's definitively a regression introduced (just on master)
> with https://gerrit.ovirt.org/#/c/66103/
>
> The code that read and writes the HE configuration and the OVF_STORE
> from/to the volume on shared storage (with dd) is shared between
> ovirt-hosted-engine-setup (which runs as root) and ovirt-ha-agent
> (which runs as vdsm user).
> In order to behave correctly (against root squash on NFC for
> instance), it was always running 'sudo -u vdsm dd ...' instead of just
> 'dd' regardless of the active user.
> But since https://gerrit.ovirt.org/#/c/66103/ , vdsm user cannot run
> anymore 'sudo -u vdsm dd ...' and so this issue.
>
> I opened a bug:
> https://bugzilla.redhat.com/show_bug.cgi?id=1398443
Is it the same reason why vm.conf file is missing from
/var/run/ovirt-hosted-engine-ha folder ?
>
> Kasturi, you got it just on one of your hosts since the other two run
> an older VDSM build.
>
>
> Simone, i ran the following steps and i see that vm.conf file
> is missing.
>
> 1) Installed three nodes with glusterfs as storage domains.
>
> 2) Configured power management on all the nodes and ran the
> command 'poweroff -f' on one of the node.
>
> 3) Engine tried to fence the host and it logged the message
> 'Host is rebooting' but this never came up.
>
> 4) After some time i manually powered on the host and once the
> host is up i see that Hosted Engine HA : Not active.
>
> 5) I see the following error message in broker.log and vm.conf
> file is missing.
>
> Thread-1::ERROR::2016-11-24
> 19:32:11,651::listener::192::ovirt_hosted_engine_ha.broker.listener.ConnectionHandler::(handle)
> Error handling request, data: 'set-storage-domain
> FilesystemBackend dom_type=glusterfs
> sd_uuid=27f054c3-c245-4039-b42a-c28b37043016'
> Traceback (most recent call last):
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/broker/listener.py",
> line 166, in handle
> data)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/broker/listener.py",
> line 299, in _dispatch
> .set_storage_domain(client, sd_type, **options)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/broker/storage_broker.py",
> line 66, in set_storage_domain
> self._backends[client].connect()
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/storage_backends.py",
> line 461, in connect
> self._dom_type)
> File
> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/storage_backends.py",
> line 108, in get_domain_path
> " in {1}".format(sd_uuid, parent))
> BackendFailureException: path to storage domain
> 27f054c3-c245-4039-b42a-c28b37043016 not found in
> /rhev/data-center/mnt/glusterSD
>
> Thanks
> kasturi
>
>>
>>
>>>
>>>> [1]
>>>> http://rhsqe-repo.lab.eng.blr.redhat.com/sosreports/HC/vm_conf/
>>>> <http://rhsqe-repo.lab.eng.blr.redhat.com/sosreports/HC/vm_conf/>
>>>>
>>>> Thanks
>>>>
>>>> kasturi
>>>>
>>>>
>>>
>>>
>>
>>
>
>
>
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