Dear all,

It would be great if someone will share any experience regarding the similar case, would be great to have a hint where to start investigation.


Thanks again

Cheers

Erekle


On 02/22/2018 05:05 PM, Erekle Magradze wrote:
Hello there,

I am facing the following problem from time to time one of the hypervisor (there are 3 of them)s is rebooting, I am using ovirt-release42-4.2.1-1.el7.centos.noarch and glsuter as a storage backend (glusterfs-3.12.5-2.el7.x86_64).

I am suspecting gluster because of the e.g. message bellow from one of the volumes,

Could you please help and suggest to which direction should investigation go?

Thanks in advance

Cheers

Erekle


[2018-02-22 15:36:10.011687] and [2018-02-22 15:37:10.955013]
[2018-02-22 15:41:10.198701] I [MSGID: 109063] [dht-layout.c:716:dht_layout_normalize] 0-virtimages-dht: Found anomalies in (null) (gfid = 00000000-0000-0000-0000-000000000000). Holes=1 overlaps=0 [2018-02-22 15:41:10.198704] I [MSGID: 109063] [dht-layout.c:716:dht_layout_normalize] 0-virtimages-dht: Found anomalies in (null) (gfid = 00000000-0000-0000-0000-000000000000). Holes=1 overlaps=0 [2018-02-22 15:42:11.293608] I [MSGID: 109063] [dht-layout.c:716:dht_layout_normalize] 0-virtimages-dht: Found anomalies in (null) (gfid = 00000000-0000-0000-0000-000000000000). Holes=1 overlaps=0 [2018-02-22 15:53:16.245720] I [MSGID: 100030] [glusterfsd.c:2524:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.12.5 (args: /usr/sbin/glusterfs --volfile-server=10.0.0.21 --volfi le-server=10.0.0.22 --volfile-server=10.0.0.23 --volfile-id=/virtimages /rhev/data-center/mnt/glusterSD/10.0.0.21:_virtimages) [2018-02-22 15:53:16.263712] W [MSGID: 101002] [options.c:995:xl_opt_validate] 0-glusterfs: option 'address-family' is deprecated, preferred is 'transport.address-family', continuing with correction [2018-02-22 15:53:16.269595] I [MSGID: 101190] [event-epoll.c:613:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1 [2018-02-22 15:53:16.273483] I [MSGID: 101190] [event-epoll.c:613:event_dispatch_epoll_worker] 0-epoll: Started thread with index 2 [2018-02-22 15:53:16.273594] W [MSGID: 101174] [graph.c:363:_log_if_unknown_option] 0-virtimages-readdir-ahead: option 'parallel-readdir' is not recognized [2018-02-22 15:53:16.273703] I [MSGID: 114020] [client.c:2360:notify] 0-virtimages-client-0: parent translators are ready, attempting connect on transport [2018-02-22 15:53:16.276455] I [MSGID: 114020] [client.c:2360:notify] 0-virtimages-client-1: parent translators are ready, attempting connect on transport [2018-02-22 15:53:16.276683] I [rpc-clnt.c:1986:rpc_clnt_reconfig] 0-virtimages-client-0: changing port to 49152 (from 0) [2018-02-22 15:53:16.279191] I [MSGID: 114020] [client.c:2360:notify] 0-virtimages-client-2: parent translators are ready, attempting connect on transport [2018-02-22 15:53:16.282126] I [MSGID: 114057] [client-handshake.c:1478:select_server_supported_programs] 0-virtimages-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330) [2018-02-22 15:53:16.282573] I [MSGID: 114046] [client-handshake.c:1231:client_setvolume_cbk] 0-virtimages-client-0: Connected to virtimages-client-0, attached to remote volume '/mnt/virtimages/virtimgs'. [2018-02-22 15:53:16.282584] I [MSGID: 114047] [client-handshake.c:1242:client_setvolume_cbk] 0-virtimages-client-0: Server and Client lk-version numbers are not same, reopening the fds [2018-02-22 15:53:16.282665] I [MSGID: 108005] [afr-common.c:4929:__afr_handle_child_up_event] 0-virtimages-replicate-0: Subvolume 'virtimages-client-0' came back up; going online. [2018-02-22 15:53:16.282877] I [rpc-clnt.c:1986:rpc_clnt_reconfig] 0-virtimages-client-1: changing port to 49152 (from 0) [2018-02-22 15:53:16.282934] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 0-virtimages-client-0: Server lk version = 1

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Dr.rer.nat. Erekle Magradze
Lead Big Data Engineering & DevOps
Rheinwerkallee 2, 53227 Bonn
Tel: +49 228 29974555

E-Mail erekle.magra...@recogizer.de
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