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tripleo-docs
Code Issues Proposed changes

Update Ceph backend configuration to cover OSD journal scenarios 

Change-Id: I0acf92eb773dc8b35a8fe61678561f0bac89e077
This commit is contained in:
John Fulton 2017-09-11 13:55:45 -06:00
parent 37604e48a3
commit ace9d31da2
1 changed files with 12 additions and 3 deletions
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15
doc/source/install/advanced_deployment/ceph_config.rst
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@ -155,16 +155,25 @@ a variation of the following::
- /dev/sdb
- /dev/sdc
- /dev/sdd
raw_journal_devices:
dedicated_devices:
- /dev/sde
- /dev/sde
- /dev/sde
journal_collocation: false
raw_multi_journal: true
osd_scenario: non-collocated
The above will produce three OSDs which run on `/dev/sdb`, `/dev/sdc`,
and `/dev/sdd` which all journal to `/dev/sde`. This same setup will
be duplicated per Ceph storage node and assumes uniform hardware.
If the journals will reside on the same disks as the OSDs then the
above should be changed to the following::
parameter_defaults:
CephAnsibleDisksConfig:
devices:
- /dev/sdb
- /dev/sdc
- /dev/sdd
osd_scenario: collocated
The `parameter_defaults` like the above may be saved in an environment
file "~/my-ceph-settings.yaml" and added to the deploy commandline::