openstack
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charm-ceph-osd
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Merge "Update README.md with information on initializing disks"

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Zuul 2018-06-05 09:20:51 +00:00 committed by Gerrit Code Review
parent 1514ea0c3e 8a1e2e548b
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README.md
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@ -5,8 +5,8 @@ Ceph is a distributed storage and network file system designed to provide
excellent performance, reliability, and scalability. excellent performance, reliability, and scalability.
This charm deploys additional Ceph OSD storage service units and should be This charm deploys additional Ceph OSD storage service units and should be
used in conjunction with the 'ceph' charm to scale out the amount of storage used in conjunction with the 'ceph-mon' charm to scale out the amount of
available in a Ceph cluster. storage available in a Ceph cluster.
Usage Usage
===== =====
@ -18,6 +18,10 @@ cluster::
A list of devices that the charm will attempt to detect, initialise and A list of devices that the charm will attempt to detect, initialise and
activate as ceph storage. activate as ceph storage.
If the charm detects pre-existing data on a device it will go into a
blocked state and the operator must resolve the situation utilizing the
`list-disks`, `zap-disk` and/or `blacklist-*` actions.
This this can be a superset of the actual storage devices presented to This this can be a superset of the actual storage devices presented to
each service unit and can be changed post ceph-osd deployment using each service unit and can be changed post ceph-osd deployment using
`juju set`. `juju set`.
@ -25,20 +29,28 @@ cluster::
For example:: For example::
ceph-osd: ceph-osd:
options:
osd-devices: /dev/vdb /dev/vdc /dev/vdd /dev/vde osd-devices: /dev/vdb /dev/vdc /dev/vdd /dev/vde
Boot things up by using:: Example utilizing Juju storage::
juju deploy -n 3 --config ceph.yaml ceph ceph-osd:
storage:
osd-devices: cinder,20G
You can then deploy this charm by simple doing:: Please refer to [Juju Storage Documentation](https://docs.jujucharms.com/devel/en/charms-storage) for details on support for various storage providers and cloud substrates.
juju deploy -n 10 --config ceph.yaml ceph-osd How to deploy::
juju add-relation ceph-osd ceph
Once the ceph charm has bootstrapped the cluster, it will notify the ceph-osd juju deploy -n 3 ceph-osd
charm which will scan for the configured storage devices and add them to the juju deploy ceph-mon --to lxd:0
pool of available storage. juju add-unit ceph-mon --to lxd:1
juju add-unit ceph-mon --to lxd:2
juju add-relation ceph-osd ceph-mon
Once the 'ceph-mon' charm has bootstrapped the cluster, it will notify the
ceph-osd charm which will scan for the configured storage devices and add them
to the pool of available storage.
Network Space support Network Space support
===================== =====================