ceph-ansible/roles/ceph-common/defaults/main.yml

---
# You can override vars by using host or group vars

#########
# INSTALL
#########

# /!\ EITHER ACTIVE ceph_stable OR ceph_stable_ice OR ceph_dev /!\

# STABLE
########

# COMMUNITY VERSION
ceph_stable: true # use ceph stable branch
ceph_stable_key: https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc
ceph_stable_release: giant # ceph stable release

# This option is needed for _both_ stable and dev version, so please always fill the right version
# # supported distros are el6, rhel6, f18, f19, opensuse12.2, sles11, centos7 (see http://ceph.com/rpm-firefly/)
ceph_stable_redhat_distro: el7

# ENTERPRISE VERSION
ceph_stable_ice: false # use Inktank Ceph Enterprise
#ceph_stable_ice_url: https://download.inktank.com/enterprise
#ceph_stable_ice_temp_path: /opt/ICE/ceph-repo/
#ceph_stable_ice_kmod: 3.10-0.1.20140702gitdc9ac62.el7.x86_64
#ceph_stable_ice_distro: rhel7 # Please check the download website for the supported versions.
#ceph_stable_ice_version: 1.2.2
#ceph_stable_ice_kmod_version: 1.2
#ceph_stable_ice_user: # htaccess user
#ceph_stable_ice_password: # htaccess password

# DEV
# ###

ceph_dev: false # use ceph development branch
ceph_dev_key: https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/autobuild.asc
ceph_dev_branch: master # development branch you would like to use e.g: master, wip-hack

# supported distros are centos6, centos7, fc17, fc18, fc19, fc20, fedora17, fedora18,
# fedora19, fedora20, opensuse12, sles0. (see http://gitbuilder.ceph.com/).
# For rhel, please pay attention to the versions: 'rhel6 3' or 'rhel 4', the fullname is _very_ important.
ceph_dev_redhat_distro: centos7


####################
# CEPH CONFIGURATION
####################

## Ceph options
#
fsid: "{{ cluster_uuid.stdout }}"
cephx: true
cephx_require_signatures: true # Kernel RBD does NOT support signatures!
cephx_cluster_require_signatures: true
cephx_service_require_signatures: false
max_open_files: 131072
disable_in_memory_logs: true

## Monitor options
#
monitor_interface: eth1
mon_osd_down_out_interval: 600
mon_osd_min_down_reporters: 7 # number of OSDs per host + 1
mon_clock_drift_allowed: .15
mon_clock_drift_warn_backoff: 30
mon_osd_full_ratio: .95
mon_osd_nearfull_ratio: .85
mon_osd_report_timeout: 300

## OSD options
#
journal_size: 100
pool_default_pg_num: 128
pool_default_pgp_num: 128
pool_default_size: 2
pool_default_min_size: 1
cluster_network: 192.168.42.0/24
public_network: 192.168.42.0/24
osd_mkfs_type: xfs
osd_mkfs_options_xfs: -f -i size=2048
osd_mount_options_xfs: noatime
osd_mon_heartbeat_interval: 30
# CRUSH
pool_default_crush_rule: 0
osd_crush_update_on_start: "true"
# Object backend
osd_objectstore: filestore
# Performance tuning
filestore_merge_threshold: 40
filestore_split_multiple: 8
osd_op_threads: 8
filestore_op_threads: 8
filestore_max_sync_interval: 5
osd_max_scrubs: 1
# Recovery tuning
osd_recovery_max_active: 5
osd_max_backfills: 2
osd_recovery_op_priority: 2
osd_recovery_max_chunk: 1048576
osd_recovery_threads: 1

## MDS options
#
mds: false # disable mds configuration in ceph.conf

# Rados Gateway options
#
radosgw: false # referenced in monitor role too.
#radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls

## Testing mode
# enable this mode _only_ when you have a single node
# if you don't want it keep the option commented
#common_single_host_mode: true


###########
# OS TUNING
###########

disable_transparent_hugepage: true
os_tuning_params:
  - { name: kernel.pid_max, value: 4194303 }
  - { name: fs.file-max, value: 26234859 }
  - { name: vm.zone_reclaim_mode, value: 0 }