General Config Reference

fsid

  • Description

  • The file system ID. One per cluster.

  • Type

  • UUID

  • Required

  • No.

  • Default

  • N/A. Usually generated by deployment tools.

admin socket

  • Description

  • The socket for executing administrative commands on a daemon,irrespective of whether Ceph Monitors have established a quorum.

  • Type

  • String

  • Required

  • No

  • Default

  • /var/run/ceph/$cluster-$name.asok

pid file

  • Description

  • The file in which the mon, osd or mds will write itsPID. For instance, /var/run/$cluster/$type.$id.pidwill create /var/run/ceph/mon.a.pid for the mon withid a running in the ceph cluster. The pidfile is removed when the daemon stops gracefully. Ifthe process is not daemonized (i.e. runs with the -for -d option), the pid file is not created.

  • Type

  • String

  • Required

  • No

  • Default

  • No

chdir

  • Description

  • The directory Ceph daemons change to once they areup and running. Default / directory recommended.

  • Type

  • String

  • Required

  • No

  • Default

  • /

max open files

  • Description

  • If set, when the Ceph Storage Cluster starts, Ceph setsthe max open fds at the OS level (i.e., the max # of filedescriptors). It helps prevents Ceph OSD Daemons from running outof file descriptors.

  • Type

  • 64-bit Integer

  • Required

  • No

  • Default

  • 0

fatal signal handlers

  • Description

  • If set, we will install signal handlers for SEGV, ABRT, BUS, ILL,FPE, XCPU, XFSZ, SYS signals to generate a useful log message

  • Type

  • Boolean

  • Default

  • true