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MOMENT !!! "Some kernels (4.9+) sometime fail to return data when reading from a block device under memory pressure." I dind't knew that was the problem. Can't I just dowgrade the kernel?There are known working versions o just need to be prior 4.9? On 18/09/18 16:19, Paul Emmerich wrote:
We built a work-around here: https://github.com/ceph/ceph/pull/23273 Which hasn't been backported, but we'll ship 13.2.2 in our Debian packages for the croit OS image. Paul 2018-09-18 21:10 GMT+02:00 Alfredo Daniel Rezinovsky <alfredo.rezinovsky@xxxxxxxxxxxxxxxxxxxxxxxx>:Changed all my hardware. Now I have plenty of free ram. swap never needed, low iowait and still 7fdbbb73e700 -1 bluestore(/var/lib/ceph/osd/ceph-6) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x1e000, got 0x6706be76, expected 0x85a3fefe, device location [0x25ac04be000~1000], logical extent 0x1e000~1000, object #2:fd955b81:::10000729cdb.00000006 It happens sometimes, in all my OSDs. Bluestore OSDs with data in HDD and block.db in SSD After running pg repair the pgs were always repaired. running ceph in ubuntu 13.2.1-1bionic -- Alfredo Daniel Rezinovsky Director de Tecnologías de Información y Comunicaciones Facultad de Ingeniería - Universidad Nacional de Cuyo _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Alfredo Daniel Rezinovsky Director de Tecnologías de Información y Comunicaciones Facultad de Ingeniería - Universidad Nacional de Cuyo |
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