On Tue, May 2, 2017 at 11:09 PM, Stefano Bovina <bov...@gmail.com> wrote:

> Hi, the engine logs show high latency on storage domains: "Storage domain
> <xxxx> experienced a high latency of 19.2814 seconds from ...... This may
> cause performance and functional issues."
>
> Looking at host logs, I found also these locking errors:
>
> 2017-05-02 20:52:13+0200 33883 [10098]: s1 renewal error -202 delta_length
> 10 last_success 33853
> 2017-05-02 20:52:19+0200 33889 [10098]: 6a386652 aio collect 0
> 0x7f1fb80008c0:0x7f1fb80008d0:0x7f1fbe9fb000 result 1048576:0 other free
> 2017-05-02 21:08:51+0200 34880 [10098]: 6a386652 aio timeout 0
> 0x7f1fb80008c0:0x7f1fb80008d0:0x7f1fbe4f2000 ioto 10 to_count 24
> 2017-05-02 21:08:51+0200 34880 [10098]: s1 delta_renew read rv -202 offset
> 0 /dev/6a386652-629d-4045-835b-21d2f5c104aa/ids
> 2017-05-02 21:08:51+0200 34880 [10098]: s1 renewal error -202 delta_length
> 10 last_success 34850
> 2017-05-02 21:08:53+0200 34883 [10098]: 6a386652 aio collect 0
> 0x7f1fb80008c0:0x7f1fb80008d0:0x7f1fbe4f2000 result 1048576:0 other free
> 2017-05-02 21:30:40+0200 36189 [10098]: 6a386652 aio timeout 0
> 0x7f1fb80008c0:0x7f1fb80008d0:0x7f1fbe9fb000 ioto 10 to_count 25
> 2017-05-02 21:30:40+0200 36189 [10098]: s1 delta_renew read rv -202 offset
> 0 /dev/6a386652-629d-4045-835b-21d2f5c104aa/ids
> 2017-05-02 21:30:40+0200 36189 [10098]: s1 renewal error -202 delta_length
> 10 last_success 36159
> 2017-05-02 21:30:45+0200 36195 [10098]: 6a386652 aio collect 0
> 0x7f1fb80008c0:0x7f1fb80008d0:0x7f1fbe9fb000 result 1048576:0 other free
>
> and this vdsm errors too:
>
> Thread-22::ERROR::2017-05-02 21:53:48,147::sdc::137::Storag
> e.StorageDomainCache::(_findDomain) looking for unfetched domain
> f8f21d6c-2425-45c4-aded-4cb9b53ebd96
> Thread-22::ERROR::2017-05-02 21:53:48,148::sdc::154::Storag
> e.StorageDomainCache::(_findUnfetchedDomain) looking for domain
> f8f21d6c-2425-45c4-aded-4cb9b53ebd96
>
> Engine instead is showing this errors:
>
> 2017-05-02 21:40:38,089 ERROR [org.ovirt.engine.core.vdsbrok
> er.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler_Worker-96)
> Command SpmStatusVDSCommand(HostName = <myhost.example.com>, HostId =
> dcc0275a-b011-4e33-bb95-366ffb0697b3, storagePoolId =
> 715d1ba2-eabe-48db-9aea-c28c30359808) execution failed. Exception:
> VDSErrorException: VDSGenericException: VDSErrorException: Failed to
> SpmStatusVDS, error = (-202, 'Sanlock resource read failure', 'Sanlock
> exception'), code = 100
> 2017-05-02 21:41:08,431 ERROR [org.ovirt.engine.core.vdsbrok
> er.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler_Worker-53)
> [6e0d5ebf] Failed in SpmStatusVDS method
> 2017-05-02 21:41:08,443 ERROR [org.ovirt.engine.core.vdsbrok
> er.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler_Worker-53)
> [6e0d5ebf] Command SpmStatusVDSCommand(HostName = <myhost.example.com>,
> HostId = 7991933e-5f30-48cd-88bf-b0b525613384, storagePoolId =
> 4bd73239-22d0-4c44-ab8c-17adcd580309) execution failed. Exception:
> VDSErrorException: VDSGenericException: VDSErrorException: Failed to
> SpmStatusVDS, error = (-202, 'Sanlock resource read failure', 'Sanlock
> exception'), code = 100
> 2017-05-02 21:41:31,975 ERROR [org.ovirt.engine.core.vdsbrok
> er.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler_Worker-61)
> [2a54a1b2] Failed in SpmStatusVDS method
> 2017-05-02 21:41:31,987 ERROR [org.ovirt.engine.core.vdsbrok
> er.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler_Worker-61)
> [2a54a1b2] Command SpmStatusVDSCommand(HostName = <myhost.example.com>,
> HostId = dcc0275a-b011-4e33-bb95-366ffb0697b3, storagePoolId =
> 715d1ba2-eabe-48db-9aea-c28c30359808) execution failed. Exception:
> VDSErrorException: VDSGenericException: VDSErrorException: Failed to
> SpmStatusVDS, error = (-202, 'Sanlock resource read failure', 'Sanlock
> exception'), code = 100
>
>
> I'm using Fibre Channel or FCoE connectivity; storage array technical
> support has analyzed it (also switch and OS configurations), but nothing
> has been found.
>

Is this on a specific hosts, or multiple hosts?
Is that FC or FCoE? Anything on the host's /var/log/messages?


>
> Any advice?
>
> Thanks
>
>
> Installation info:
>
> ovirt-release35-006-1.noarch
>

This is a very old release, I suggest, regardless of this issue, to upgrade.
Y.


> libgovirt-0.3.3-1.el7_2.1.x86_64
> vdsm-4.16.30-0.el7.centos.x86_64
> vdsm-xmlrpc-4.16.30-0.el7.centos.noarch
> vdsm-yajsonrpc-4.16.30-0.el7.centos.noarch
> vdsm-jsonrpc-4.16.30-0.el7.centos.noarch
> vdsm-python-zombiereaper-4.16.30-0.el7.centos.noarch
> vdsm-python-4.16.30-0.el7.centos.noarch
> vdsm-cli-4.16.30-0.el7.centos.noarch
> qemu-kvm-ev-2.3.0-29.1.el7.x86_64
> qemu-kvm-common-ev-2.3.0-29.1.el7.x86_64
> qemu-kvm-tools-ev-2.3.0-29.1.el7.x86_64
> libvirt-client-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-storage-1.2.17-13.el7_2.3.x86_64
> libvirt-python-1.2.17-2.el7.x86_64
> libvirt-daemon-driver-nwfilter-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-nodedev-1.2.17-13.el7_2.3.x86_64
> libvirt-lock-sanlock-1.2.17-13.el7_2.3.x86_64
> libvirt-glib-0.1.9-1.el7.x86_64
> libvirt-daemon-driver-network-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-lxc-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-interface-1.2.17-13.el7_2.3.x86_64
> libvirt-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-config-network-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-secret-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-config-nwfilter-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-kvm-1.2.17-13.el7_2.3.x86_64
> libvirt-daemon-driver-qemu-1.2.17-13.el7_2.3.x86_64
>
>
>
> ------- vdsm.log (high latency)
>
> Thread-21::DEBUG::2017-05-02 18:02:23,646::fileSD::261::Sto
> rage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '0+1 records in\n0+1
> records out\n331 bytes (331 B) copied, 0.000285529 s, 1.2 MB/s\n'; <rc> = 0
> Thread-18::DEBUG::2017-05-02 18:02:24,335::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) /bin/dd 
> if=/dev/2c501858-bf8d-49a5-a42b-bca341b47827/metadata
> iflag=direct of=/dev/null bs=4096 count=1 (cwd None)
> Thread-18::DEBUG::2017-05-02 18:02:24,343::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '1+0 records in\n1+0
> records out\n4096 bytes (4.1 kB) copied, 0.000489782 s, 8.4 MB/s\n'; <rc> =
> 0
> Thread-19::DEBUG::2017-05-02 18:02:24,635::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) /bin/dd 
> if=/dev/c5dc09c4-cd79-42d2-a5af-89953076f79e/metadata
> iflag=direct of=/dev/null bs=4096 count=1 (cwd None)
> Thread-19::DEBUG::2017-05-02 18:02:24,643::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '1+0 records in\n1+0
> records out\n4096 bytes (4.1 kB) copied, 0.000558622 s, 7.3 MB/s\n'; <rc> =
> 0
> Thread-22::DEBUG::2017-05-02 18:02:24,722::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) /bin/dd 
> if=/dev/f8f21d6c-2425-45c4-aded-4cb9b53ebd96/metadata
> iflag=direct of=/dev/null bs=4096 count=1 (cwd None)
> Thread-22::DEBUG::2017-05-02 18:02:24,729::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '1+0 records in\n1+0
> records out\n4096 bytes (4.1 kB) copied, 0.000632576 s, 6.5 MB/s\n'; <rc> =
> 0
> JsonRpc (StompReactor)::DEBUG::2017-05-02 18:02:25,056::stompReactor::98
> ::Broker.StompAdapter::(handle_frame) Handling message <StompFrame
> command='SEND'>
> JsonRpcServer::DEBUG::2017-05-02 18:02:25,057::__init__::506::j
> sonrpc.JsonRpcServer::(serve_requests) Waiting for request
> Thread-9372::DEBUG::2017-05-02 18:02:25,060::stompReactor::16
> 3::yajsonrpc.StompServer::(send) Sending response
> Thread-20::DEBUG::2017-05-02 18:02:25,895::blockSD::596::St
> orage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '1+0 records in\n1+0
> records out\n4096 bytes (4.1 kB) copied, 19.2814 s, 0.2 kB/s\n'; <rc> = 0
> JsonRpc (StompReactor)::DEBUG::2017-05-02 18:02:28,075::stompReactor::98
> ::Broker.StompAdapter::(handle_frame) Handling message <StompFrame
> command='SEND'>
> JsonRpcServer::DEBUG::2017-05-02 18:02:28,076::__init__::506::j
> sonrpc.JsonRpcServer::(serve_requests) Waiting for request
> Thread-9373::DEBUG::2017-05-02 18:02:28,078::stompReactor::16
> 3::yajsonrpc.StompServer::(send) Sending response
> JsonRpc (StompReactor)::DEBUG::2017-05-02 18:02:31,094::stompReactor::98
> ::Broker.StompAdapter::(handle_frame) Handling message <StompFrame
> command='SEND'>
> JsonRpcServer::DEBUG::2017-05-02 18:02:31,095::__init__::506::j
> sonrpc.JsonRpcServer::(serve_requests) Waiting for request
> Thread-9374::DEBUG::2017-05-02 18:02:31,097::stompReactor::16
> 3::yajsonrpc.StompServer::(send) Sending response
> Thread-21::DEBUG::2017-05-02 18:02:33,652::fileSD::261::Sto
> rage.Misc.excCmd::(getReadDelay) /bin/dd if=/rhev/data-center/mnt/<myho
> st.example.com>:_ISO/f105bdc6-efdc-445c-b49e-aa38c91c2569/dom_md/metadata
> iflag=direct of=/dev/null bs=4096 count=1 (cwd None)
> Thread-21::DEBUG::2017-05-02 18:02:33,660::fileSD::261::Sto
> rage.Misc.excCmd::(getReadDelay) SUCCESS: <err> = '0+1 records in\n0+1
> records out\n331 bytes (331 B) copied, 0.000246594 s, 1.3 MB/s\n'; <rc> = 0
> JsonRpc (StompReactor)::DEBUG::2017-05-02 18:02:34,112::stompReactor::98
> ::Broker.StompAdapter::(handle_frame) Handling message <StompFrame
> command='SEND'>
> JsonRpcServer::DEBUG::2017-05-02 18:02:34,114::__init__::506::j
> sonrpc.JsonRpcServer::(serve_requests) Waiting for request
> Thread-9375::DEBUG::2017-05-02 18:02:34,117::task::595::Stora
> ge.TaskManager.Task::(_updateState) 
> Task=`ea63814e-d25d-4436-8bb5-cfc67af6498d`::moving
> from state init -> state preparing
> Thread-9375::INFO::2017-05-02 
> 18:02:34,117::logUtils::44::dispatcher::(wrapper)
> Run and protect: repoStats(options=None)
> Thread-9375::INFO::2017-05-02 
> 18:02:34,118::logUtils::47::dispatcher::(wrapper)
> Run and protect: repoStats, Return response: 
> {'2c501858-bf8d-49a5-a42b-bca341b47827':
> {'code': 0, 'version': 3, 'acquired': True, 'delay': '0.000489782',
> 'lastCheck': '9.8', 'valid': True}, 'f8f21d6c-2425-45c4-aded-4cb9b53ebd96':
> {'code': 0, 'version': 3, 'acquired': True, 'delay': '0.000632576',
> 'lastCheck': '9.4', 'valid': True}, '6a386652-629d-4045-835b-21d2f5c104aa':
> {'code': 0, 'version': 3, 'acquired': True, 'delay': '19.2814',
> 'lastCheck': '8.2', 'valid': True}, 'f105bdc6-efdc-445c-b49e-aa38c91c2569':
> {'code': 0, 'version': 0, 'acquired': True, 'delay': '0.000246594',
> 'lastCheck': '0.5', 'valid': True}, 'c5dc09c4-cd79-42d2-a5af-89953076f79e':
> {'code': 0, 'version': 3, 'acquired': True, 'delay': '0.000558622',
> 'lastCheck': '9.5', 'valid': True}}
> Thread-9375::DEBUG::2017-05-02 18:02:34,118::task::1191::Stor
> age.TaskManager.Task::(prepare) 
> Task=`ea63814e-d25d-4436-8bb5-cfc67af6498d`::finished:
> {'2c501858-bf8d-49a5-a42b-bca341b47827': {'code': 0, 'version': 3,
> 'acquired': True, 'delay': '0.000489782', 'lastCheck': '9.8', 'valid':
> True}, 'f8f21d6c-2425-45c4-aded-4cb9b53ebd96': {'code': 0, 'version': 3,
> 'acquired': True, 'delay': '0.000632576', 'lastCheck': '9.4', 'valid':
> True}, '6a386652-629d-4045-835b-21d2f5c104aa': {'code': 0, 'version': 3,
> 'acquired': True, 'delay': '19.2814', 'lastCheck': '8.2', 'valid': True},
> 'f105bdc6-efdc-445c-b49e-aa38c91c2569': {'code': 0, 'version': 0,
> 'acquired': True, 'delay': '0.000246594', 'lastCheck': '0.5', 'valid':
> True}, 'c5dc09c4-cd79-42d2-a5af-89953076f79e': {'code': 0, 'version': 3,
> 'acquired': True, 'delay': '0.000558622', 'lastCheck': '9.5', 'valid':
> True}}
> Thread-9375::DEBUG::2017-05-02 18:02:34,119::task::595::Stora
> ge.TaskManager.Task::(_updateState) 
> Task=`ea63814e-d25d-4436-8bb5-cfc67af6498d`::moving
> from state preparing -> state finished
> Thread-9375::DEBUG::2017-05-02 18:02:34,119::resourceManager:
> :940::Storage.ResourceManager.Owner::(releaseAll) Owner.releaseAll
> requests {} resources {}
> Thread-9375::DEBUG::2017-05-02 18:02:34,119::resourceManager:
> :977::Storage.ResourceManager.Owner::(cancelAll) Owner.cancelAll requests
> {}
> Thread-9375::DEBUG::2017-05-02 
> 18:02:34,119::task::993::Storage.TaskManager.Task::(_decref)
> Task=`ea63814e-d25d-4436-8bb5-cfc67af6498d`::ref 0 aborting False
> Thread-9375::DEBUG::2017-05-02 18:02:34,122::stompReactor::16
> 3::yajsonrpc.StompServer::(send) Sending response
> JsonRpc (StompReactor)::DEBUG::2017-05-02 18:02:34,128::stompReactor::98
> ::Broker.StompAdapter::(handle_frame) Handling message <StompFrame
> command='SEND'>
> JsonRpcServer::DEBUG::2017-05-02 18:02:34,129::__init__::506::j
> sonrpc.JsonRpcServer::(serve_requests) Waiting for request
> Thread-9376::DEBUG::2017-05-02 18:02:34,132::stompReactor::16
> 3::yajsonrpc.StompServer::(send) Sending response
>
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