Thanks for the answer. > For the default redundancy rule and pool size 3 you need three separate > hosts. I have 24 separate server nodes with with 32 osd in everyone in total 768 osd, my question is why the mds suffer when only 4% of the osd goes down (in the same node). I need to modify the crush map? El 5/5/21 a las 11:55, Robert Sander escribió: > Hi, > > Am 05.05.21 um 11:44 schrieb Andres Rojas Guerrero: >> I have in the cluster 768 OSD, it is enough that 32 (~ 4%) of them (in >> the same node) fall and the information becomes inaccessible. Is it >> possible to improve this behavior? > > You need to spread your failure zone in the crush map. It looks like the > OSD is the failure zone, and not the host. If it woould be the host the > failure of any number of OSDs in a single host would not bring PGs down. > > For the default redundancy rule and pool size 3 you need three separate > hosts. > > Regards > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > -- ******************************************************* Andrés Rojas Guerrero Unidad Sistemas Linux Area Arquitectura Tecnológica Secretaría General Adjunta de Informática Consejo Superior de Investigaciones Científicas (CSIC) Pinar 19 28006 - Madrid Tel: +34 915680059 -- Ext. 990059 email: a.rojas@xxxxxxx ID comunicate.csic.es: @50852720l:matrix.csic.es ******************************************************* _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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