July 2021 - ceph-users - lists.ceph.io

pgcalc tool removed (or moved?) from ceph.com ?

by Dominik Csapak

Hi, just wanted to ask if it is intentional that http://ceph.com/pgcalc/ results in a 404 error? is there any alternative url? it is still linked from the offical docs. with kind regards Dominik

2 years, 2 months

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Why does 'mute AUTH_INSECURE_GLOBAL_ID_RECLAIM_ALLOWED 2w' expire in less than a day?

by Harry G. Coin

Is this happening to anyone else? After this command: ceph health mute AUTH_INSECURE_GLOBAL_ID_RECLAIM_ALLOWED 2w The 'dashboard' shows 'Health OK', then after a few hours (perhaps a mon leadership change), it's back to 'degraded' and 'AUTH_INSECURE_GLOBAL_ID_RECLAIM_ALLOWED: mons are allowing insecure global_id reclaim' Pacific, 16.2.4 all in docker containers.

2 years, 2 months

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Create and listing topics with AWS4 fails

by Daniel Iwan

Hi I'm on Pacific 16.2.1 Documentation states that topic operations should be created using REST with application/x-www-form-urlencoded See https://docs.ceph.com/en/latest/radosgw/notifications/#topics However when attempting to create one using Postman (auth v4) operation fails. <?xml version="1.0" encoding="UTF-8"?> <Error> <Code>NotImplemented</Code> <RequestId>tx00000000000000000004e-0060d207d0-df5c88-abcf</RequestId> <HostId>df5c88-abc-default</HostId> </Error>. The same error is for listing topics. See log attached I think similar issues were reported on the threads - https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/23BZW2Q3TCU… - https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/WMKEYKTE5NH… - https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/2G4YWOUMVE2… I think the handling procedure is in https://github.com/ceph/ceph/blob/master/src/rgw/rgw_rest_s3.cc get_auth_data_v4()which does not have RGW_OP_PUBSUB_TOPIC_CREATE or similar topic-related operations. If that's the case this makes it more difficult to integrate those operations as majority of the sw uses AWSV4 authentication Can anyone confirm if the doc is wrong, auth V3 needs to be used etc? Is there a tracking issue for this already? Regards Daniel

2 years, 2 months

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CEPH logs to Graylog

by milosz＠dev.datacrunch.io

Hi, Want to have logs from cluster on Graylog but seems like CEPH send empty "host" field. Any one can help ? CEPH 16.2.3 # ceph config dump | grep graylog global advanced clog_to_graylog true global advanced clog_to_graylog_host xx.xx.xx.xx global basic err_to_graylog true global basic log_graylog_host xx.xx.xx.xx * global basic log_to_graylog true I see that my Graylog is hit by traffic from ceph on port 12201 udp and parsed by GELF udp Grylog logs: 2021-07-01 12:16:57,355 ERROR: org.graylog2.shared.buffers.processors.DecodingProcessor - Error processing message RawMessage{id=3ad5c6a1-da66-11eb-a55c-0242ac120005, messageQueueId=2810784, codec=gelf, payloadSize=340, timestamp=2021-07-01T12:16:57.354Z, remoteAddress=/xx.xx.xx.xx:34049} java.lang.IllegalArgumentException: GELF message <3ad5c6a1-da66-11eb-a55c-0242ac120005> (received from <xx.xx.xx.xx:34049>) has empty mandatory "host" field. at org.graylog2.inputs.codecs.GelfCodec.validateGELFMessage(GelfCodec.java:247) ~[graylog.jar:?] at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:140) ~[graylog.jar:?] at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:153) ~[graylog.jar:?] at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:94) [graylog.jar:?] at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:90) [graylog.jar:?] at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:47) [graylog.jar:?] at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:143) [graylog.jar:?] at com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66) [graylog.jar:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292] Best regards Milosz

2 years, 2 months

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Continuing Ceph Issues with OSDs falling over

by Peter Childs

I'm still attempting to build a ceph cluster and I'm currently getting nowhere very very quickly. From what I can tell I have a slightly unstable setup and I'm yet to work out why. I currently have 24 servers and I'm planning to increase this to around 48 These servers are in three groups with different types of disks (and number) in each type. Currently I'm having an issue where every time I add a new server it adds the osd on the node and then a few random ods on the current hosts will all fall over and I'll only be able to get them up again by restart the daemons. I'm using cephadm. and the network is a QDR based IB network running IP over IB so its meant to be 40G but currently is behaving more like 10G (when I've tested it) Its still faster than the 1G management network I've also got. The machines are mostly running debian. There are a few machine running CentOS7 I'm meaning to redeploy when I get the time (so I can upgrade to Pacific) I'm running Octopus 15.2.13, I'm more than happy to change stuff I'm still trying to learn stuff so there is no data that I care about quite yet, I was looking for more stability before I go there. I really just want to know where to look for the problems rather than any exact answers, I'm yet to see any clues that might help Thanks in advance Peter Childs

2 years, 2 months

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Issue with cephadm not finding python3 after reboot

by mabi

Hello, After having done a rolling reboot of my Octopus 15.2.13 cluster of 8 nodes cephadm does not find python3 on the node and hence I get quite a few of the following warnings: [WRN] CEPHADM_HOST_CHECK_FAILED: 7 hosts fail cephadm check host ceph1f failed check: Can't communicate with remote host `ceph1f`, possibly because python3 is not installed there: [Errno 32] Broken pipe Here is the full stack trace from cephadm: 2021-07-06T06:03:20.798410+0000 mgr.ceph1a.xxqpph [ERR] Failed to apply osd.all-available-devices spec DriveGroupSpec(name=all-available-devices->placement=PlacementSpec(host_pattern='*'), service_id='all-available-devices', service_type='osd', data_devices=DeviceSelection(all=True), osd_id_claims={}, unmanaged=False, filter_logic='AND', preview_only=False): Can't communicate with remote host `ceph1d`, possibly because python3 is not installed there: [Errno 32] Broken pipe Traceback (most recent call last): File "/usr/share/ceph/mgr/cephadm/module.py", line 1015, in _remote_connection conn, connr = self._get_connection(addr) File "/usr/share/ceph/mgr/cephadm/module.py", line 978, in _get_connection sudo=True if self.ssh_user != 'root' else False) File "/lib/python3.6/site-packages/remoto/backends/__init__.py", line 34, in __init__ self.gateway = self._make_gateway(hostname) File "/lib/python3.6/site-packages/remoto/backends/__init__.py", line 44, in _make_gateway self._make_connection_string(hostname) File "/lib/python3.6/site-packages/execnet/multi.py", line 134, in makegateway gw = gateway_bootstrap.bootstrap(io, spec) File "/lib/python3.6/site-packages/execnet/gateway_bootstrap.py", line 102, in bootstrap bootstrap_exec(io, spec) File "/lib/python3.6/site-packages/execnet/gateway_bootstrap.py", line 46, in bootstrap_exec "serve(io, id='%s-slave')" % spec.id, File "/lib/python3.6/site-packages/execnet/gateway_bootstrap.py", line 78, in sendexec io.write((repr(source) + "\n").encode("ascii")) File "/lib/python3.6/site-packages/execnet/gateway_base.py", line 409, in write self._write(data) BrokenPipeError: [Errno 32] Broken pipe During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/share/ceph/mgr/cephadm/module.py", line 1019, in _remote_connection raise execnet.gateway_bootstrap.HostNotFound(msg) execnet.gateway_bootstrap.HostNotFound: Can't communicate with remote host `ceph1d`, possibly because python3 is not installed there: [Errno 32] Broken pipe The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usr/share/ceph/mgr/cephadm/serve.py", line 412, in _apply_all_services if self._apply_service(spec): File "/usr/share/ceph/mgr/cephadm/serve.py", line 450, in _apply_service self.mgr.osd_service.create_from_spec(cast(DriveGroupSpec, spec)) File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 51, in create_from_spec ret = create_from_spec_one(self.prepare_drivegroup(drive_group)) File "/usr/share/ceph/mgr/cephadm/utils.py", line 65, in forall_hosts_wrapper return CephadmOrchestrator.instance._worker_pool.map(do_work, vals) File "/lib64/python3.6/multiprocessing/pool.py", line 266, in map return self._map_async(func, iterable, mapstar, chunksize).get() File "/lib64/python3.6/multiprocessing/pool.py", line 644, in get raise self._value File "/lib64/python3.6/multiprocessing/pool.py", line 119, in worker result = (True, func(*args, **kwds)) File "/lib64/python3.6/multiprocessing/pool.py", line 44, in mapstar return list(map(*args)) File "/usr/share/ceph/mgr/cephadm/utils.py", line 59, in do_work return f(*arg) File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 47, in create_from_spec_one host, cmd, replace_osd_ids=osd_id_claims.get(host, []), env_vars=env_vars File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 56, in create_single_host out, err, code = self._run_ceph_volume_command(host, cmd, env_vars=env_vars) File "/usr/share/ceph/mgr/cephadm/services/osd.py", line 271, in _run_ceph_volume_command error_ok=True) File "/usr/share/ceph/mgr/cephadm/module.py", line 1100, in _run_cephadm with self._remote_connection(host, addr) as tpl: File "/lib64/python3.6/contextlib.py", line 81, in __enter__ return next(self.gen) File "/usr/share/ceph/mgr/cephadm/module.py", line 1046, in _remote_connection raise OrchestratorError(msg) from e orchestrator._interface.OrchestratorError: Can't communicate with remote host `ceph1d`, possibly because python3 is not installed there: [Errno 32] Broken pipe I checked directly on the nodes and I can execute "python3" command and I can also SSH into all nodes with the following test command: ssh -F ssh_config -i ~/cephadm_private_key root@nodeX So I don't really understand what could have broken the cephadm orchestrator... Any ideas? The cephfs itself is still working. Best regards, Mabi

2 years, 2 months

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ceph df (octopus) shows USED is 7 times higher than STORED in erasure coded pool

by Arkadiy Kulev

The pool *default.rgw.buckets.data* has *501 GiB* stored, but USED shows *3.5 TiB *(7 times higher!)*:* root@ceph-01:~# ceph df --- RAW STORAGE --- CLASS SIZE AVAIL USED RAW USED %RAW USED hdd 196 TiB 193 TiB 3.5 TiB 3.6 TiB 1.85 TOTAL 196 TiB 193 TiB 3.5 TiB 3.6 TiB 1.85 --- POOLS --- POOL ID PGS STORED OBJECTS USED %USED MAX AVAIL device_health_metrics 1 1 19 KiB 12 56 KiB 0 61 TiB .rgw.root 2 32 2.6 KiB 6 1.1 MiB 0 61 TiB default.rgw.log 3 32 168 KiB 210 13 MiB 0 61 TiB default.rgw.control 4 32 0 B 8 0 B 0 61 TiB default.rgw.meta 5 8 4.8 KiB 11 1.9 MiB 0 61 TiB default.rgw.buckets.index 6 8 1.6 GiB 211 4.7 GiB 0 61 TiB default.rgw.buckets.data 10 128 501 GiB 5.36M 3.5 TiB 1.90 110 TiB The *default.rgw.buckets.data* pool is using erasure coding: root@ceph-01:~# ceph osd erasure-code-profile get EC_RGW_HOST crush-device-class=hdd crush-failure-domain=host crush-root=default jerasure-per-chunk-alignment=false k=6 m=4 plugin=jerasure technique=reed_sol_van w=8 If anyone could help explain why it's using up 7 times more space, it would help a lot. Versioning is disabled. ceph version 15.2.13 (octopus stable). Sincerely, Ark.

2 years, 2 months

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Pool size

by Rafael Quaglio

2 years, 2 months

1
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Ceph with BGP?

by German Anders

Hi All, I have an already created and functional ceph cluster (latest luminous release) with two networks one for the public (layer 2+3) and the other for the cluster, the public one uses VLAN and its 10GbE and the other one uses Infiniband with 56Gb/s, the cluster works ok. The public network uses Juniper QFX5100 switches with VLAN in layer2+3 configuration but the network team needs to move to a full layer3 and they want to use BGP, so the question is, how can we move to that schema? What are the considerations? Is it possible? Is there any step-by-step way to move to that schema? Also is anything better than BGP or other alternatives? In information will be really helpful Thanks in advance, Cheers, German

2 years, 2 months

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Spurious Read Errors: 0x6706be76

by Jay Sullivan

In the week since upgrading one of our clusters from Nautilus 14.2.21 to Pacific 16.2.4 I've seen four spurious read errors that always have the same bad checksum of 0x6706be76. I've never seen this in any of our clusters before. Here's an example of what I'm seeing in the logs: ceph-osd.132.log:2021-06-20T22:53:20.584-0400 7fde2e4fc700 -1 bluestore(/var/lib/ceph/osd/ceph-132) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0x6706be76, expected 0xee74a56a, device location [0x18c81b40000~1000], logical extent 0x200000~1000, object #29:2d8210bf:::rbd_data.94f4232ae8944a.0000000000026c57:head# I'm not seeing any indication of inconsistent PGs, only the spurious read error. I don't see an explicit indication of a retry in the logs following the above message. Bluestore code to retry three times was introduced in 2018 following a similar issue with the same checksum: https://tracker.ceph.com/issues/22464 Here's an example of what my health detail looks like: HEALTH_WARN 1 OSD(s) have spurious read errors [WRN] BLUESTORE_SPURIOUS_READ_ERRORS: 1 OSD(s) have spurious read errors osd.117 reads with retries: 1 I followed this (unresolved) thread, too: https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/DRBVFQLZ5ZY… I do have swap enabled, but I don't think memory pressure is an issue with 30GB available out of 96GB (and no sign I've been close to summoning the OOMkiller). The OSDs that have thrown the cluster into HEALTH_WARN with the spurious read errors are busy 12TB rotational HDDs and I _think_ it's only happening during a deep scrub. We're on Ubuntu 18.04; uname: 5.4.0-74-generic #83~18.04.1-Ubuntu SMP Tue May 11 16:01:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux. Does Pacific retry three times on a spurious read error? Would I see an indication of a retry in the logs? Thanks! ~Jay

2 years, 2 months

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ceph-users July 2021