1. T

    pg_num - Frage

    Hallo an alle, die Berechnung von pg_num ist kein neues Thema aber ich finde keine erklärende/zufriedenstellende Lösung, wie ich es korrekt berechne. Hier kommen demnächst 3 Nodes welche ich mit PVE + Ceph installieren will. Beim Testcluster waren mir die pg's leider Schnuppe und ich hab die...
  2. K

    Ceph PGs <75 or >200 per OSD ist just a warning?

    Hi, I'm going to migrate our cluster from HDDs to SSDs and from filestore with SSD-journal to bluestore. Not a big deal with plenty of time... Unfortunately the pg_num was set to 1024 with 18 OSDs. Afaik this is not a good value, because if one node with 6 OSDs fails, the cluster will be...
  3. F

    Is Ceph too slow and how to optimize it?

    The setup is 3 clustered Proxmox for computations, 3 clustered Ceph storage nodes, ceph01 8*150GB ssds (1 used for OS, 7 for storage) ceph02 8*150GB ssds (1 used for OS, 7 for storage) ceph03 8*250GB ssds (1 used for OS, 7 for storage) When I create a VM on proxmox node using ceph storage, I...


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