October 2020 - Dev - lists.ceph.io

v14.2.12 broken due to mon_host parsing. .13 release?

by Wido den Hollander

Hi, See this issue: https://tracker.ceph.com/issues/47951 PR for Nautilus: https://github.com/ceph/ceph/pull/37816 This breaks a lot of Nautilus deployments I know of and might cause many other users problems if they upgrade to .12 I would say this fix is big enough to quickly release .13. What do others say? Wido

3 years, 5 months

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CDM next week

by Josh Durgin

This will be Wednesday, Nov 4th, at 2100 EDT (0200 UTC Nov 5th) at: https://bluejeans.com/908675367/ Please add topics here: https://tracker.ceph.com/projects/ceph/wiki/CDM_04-NOV-2020 so far we're planning to talk more about mgr scalability - particularly profiling/measuring where bottlenecks are, how we could make its behavior better based on that, and what improvements we can make in the short/long term. See you there! Josh

3 years, 5 months

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error executing ./do_cmake.sh

by dorindabassey＠gmail.com

Hi all, following the ceph build instruction, while trying to run "./do_cmake.sh" this error occurred https://paste.sh/0LD4KSGT#LyeN2Tofi2JY6pQwwllFjvoj my OS is Ubuntu version 18.04 I appreciate any help, thanks

3 years, 5 months

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What to Do Before Choosing Any Online Assignment Help ?

by maxwillor＠gmail.com

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3 years, 5 months

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DocuBetter Meeting 28 Oct 2020

by John Zachary Dover

There is a general documentation meeting called the "DocuBetter Meeting", and it is held every two weeks. The next DocuBetter Meeting will be on October 28, 2020 at 1800 PST, and will run for thirty minutes. Everyone with a documentation-related request or complaint is invited. The meeting will be held here: https://bluejeans.com/908675367 This meeting will discuss the progress made on the ongoing rewriting of the Developer Guide and the RADOS Guide and the cephadm installation guide. We will also discuss Sanford Miller's proposal to more completely document RADOS protocol messages. Send documentation-related requests and complaints to me by replying to this email and CCing me at zac.dover(a)gmail.com. The next DocuBetter meeting is scheduled for: 28 Oct 2020 1800 PST 29 Oct 2020 0100 UTC 29 OCT 2020 1100 AEST Etherpad: https://pad.ceph.com/p/Ceph_Documentation Meeting: https://bluejeans.com/908675367 Thanks, everyone. Zac Dover

3 years, 5 months

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【nautilus cluster one osd start up failed when osd superblock crc fail】

by nank

【version】 ceph version 14.2.8 (2d095e947a02261ce61424021bb43bd3022d35cb) nautilus (stable) 【trigger operation 】 Under normal operation of the cluster, power down the equipment manually, and then power up the equipment again. 【appearance】 One OSD failed to start up in the cluster. The logging shows that the OSD Superblock CRC checksum is inconsistent with the actual data on disk. Try to turn validation off. Dump OSD superblock decodes normally and the fields are correct. Analyzing the refresh OSD Superblock process confirms that the refresh operation is a defere write transaction. 【dump osd super block no crc】 [root@node145 ~]# ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-23 --type bluestore --op dump-super { "cluster_fsid": "a28d823e-eb42-4eba-9603-e1722e8bc884", "osd_fsid": "53b6d708-2ac2-4323-bedc-7082e08c5791", "whoami": 23, "current_epoch": 6112, "oldest_map": 5249, "newest_map": 6112, "weight": 0, "compat": { "compat": {}, "ro_compat": {}, "incompat": { "feature_1": "initial feature set(~v.18)", "feature_2": "pginfo object", "feature_3": "object locator", "feature_4": "last_epoch_clean", "feature_5": "categories", "feature_6": "hobjectpool", "feature_7": "biginfo", "feature_8": "leveldbinfo", "feature_9": "leveldblog", "feature_10": "snapmapper", "feature_11": "sharded objects", "feature_12": "transaction hints", "feature_13": "pg meta object", "feature_14": "explicit missing set", "feature_15": "fastinfo pg attr", "feature_16": "deletes in missing set" } }, "clean_thru": 6112, "last_epoch_mounted": 5884 } 【log】 2020-10-09 15:00:22.296 7f637345fdc0 -1 bluestore(/var/lib/ceph/osd/ceph-15) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0xce54de81, expected 0xebc2f895, device location [0x10000~1000], logical extent 0x0~1000, object #-1:7b3f43c4:::osd_superblock:0# [BlueStore::_verify_csum:9368] 2020-10-09 15:00:22.297 7f637345fdc0 -1 bluestore(/var/lib/ceph/osd/ceph-15) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0xce54de81, expected 0xebc2f895, device location [0x10000~1000], logical extent 0x0~1000, object #-1:7b3f43c4:::osd_superblock:0# [BlueStore::_verify_csum:9368] 2020-10-09 15:00:22.297 7f637345fdc0 -1 bluestore(/var/lib/ceph/osd/ceph-15) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x0, got 0xce54de81, expected 0xebc2f895, device location [0x10000~1000], logical extent 0x0~1000, object #-1:7b3f43c4:::osd_superblock:0# [BlueStore::_verify_csum:9368] 2020-10-09 15:00:22.297 7f637345fdc0 -1 osd.15 0 OSD::init() : unable to read osd superblock [OSD::init:3115]

3 years, 5 months

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ceph_crc32 null buffer

by Liu, Changcheng

Hi all, Does anyone know that why Ceph needs to calcualate the crc of "null" buffer? There's below code in Ceph: ceph_crc32c(rand(), nullptr, size); https://github.com/ceph/ceph/blob/master/src/test/common/test_crc32c.cc#L358 For the "null" buffer case, doesn't Ceph think to be all zero value to calculate the crc value? B.R. Changcheng

3 years, 5 months

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make-dist hangs

by Yuval Lifshitz

Dear community, Whenever I try to run "make-dist" (or the scripts calling it), it get stuck in the same place: > @angular/cli@10.1.6 postinstall /root/projects/ceph/src/pybind/mgr/dashboard/frontend/node_modules/@angular/cli > node ./bin/postinstall/script.js any idea? Yuval

3 years, 5 months

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Testing Roles S3 APIs

by Abhishek Lekshmanan

Hi list, I've got a PR for syncing roles in a multisite env with https://github.com/ceph/ceph/pull/37679 which implements the metadata handler for roles and the related svc definitions. While from the admin cli/apis things seem to work as expected, I'd like to know whether these are tested via s3tests. I see that there are sts tests added lately, however running them on master/octopus also fails for me. What setup should be done to run these on a local vstart? I've tried adding user-policy and roles caps, not sure whether anything more needs to be done. Also it does seem like a failed run seems to upload a user-policy that'd further fail the future runs of s3 tests as this policy is being compared for list api which will fail from this point on. -- Abhishek

3 years, 5 months

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newcomer - ceph

by dorindabassey＠gmail.com

Hi all, I am interested in contributing to ceph, Am an Outreachy internship applicant. For a start I want to work on some bugs, and would love to have and account on the bug tracker https://tracker.ceph.com/ @admin can you please help me on this? Thanks, Dorinda

3 years, 5 months

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