forked from rook/rook
Sébastien Han
c890710b63
As per discussion, proposing a new layout for the charts/yaml/olm files.
./deploy
├── charts
│ ├── rook-ceph
│ │ └── templates
│ └── rook-ceph-cluster
│ └── templates
├── examples
│ ├── csi
│ │ ├── cephfs
│ │ └── rbd
│ ├── flex
│ ├── monitoring
│ ├── pre-k8s-1.16
└── olm
└── assemble
Signed-off-by: Sébastien Han <seb@redhat.com>
89 lines
3.4 KiB
YAML
89 lines
3.4 KiB
YAML
#################################################################################################################
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# Create a filesystem with settings for erasure-coding instead of replication. A minimum of three nodes with OSDs
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# are required in this example since the default failureDomain is host.
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# kubectl create -f filesystem-ec.yaml
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#################################################################################################################
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apiVersion: ceph.rook.io/v1
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kind: CephFilesystem
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metadata:
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name: myfs-ec
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namespace: rook-ceph # namespace:cluster
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spec:
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# The metadata pool spec
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metadataPool:
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replicated:
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# You need at least three OSDs on different nodes for this config to work
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size: 3
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# The list of data pool specs
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dataPools:
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# You need at least three `bluestore` OSDs on different nodes for this config to work
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- erasureCoded:
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dataChunks: 2
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codingChunks: 1
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# Inline compression mode for the data pool
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parameters:
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compression_mode: none
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# Whether to preserve filesystem after CephFilesystem CRD deletion
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preserveFilesystemOnDelete: true
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# The metadata service (mds) configuration
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metadataServer:
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# The number of active MDS instances
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activeCount: 1
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# Whether each active MDS instance will have an active standby with a warm metadata cache for faster failover.
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# If false, standbys will be available, but will not have a warm cache.
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activeStandby: true
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# The affinity rules to apply to the mds deployment
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placement:
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# nodeAffinity:
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# requiredDuringSchedulingIgnoredDuringExecution:
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# nodeSelectorTerms:
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# - matchExpressions:
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# - key: role
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# operator: In
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# values:
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# - mds-node
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# topologySpreadConstraints:
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# tolerations:
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# - key: mds-node
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# operator: Exists
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# podAffinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- rook-ceph-mds
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# topologyKey: kubernetes.io/hostname will place MDS across different hosts
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topologyKey: kubernetes.io/hostname
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- rook-ceph-mds
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# topologyKey: */zone can be used to spread MDS across different AZ
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# Use <topologyKey: failure-domain.beta.kubernetes.io/zone> in k8s cluster if your cluster is v1.16 or lower
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# Use <topologyKey: topology.kubernetes.io/zone> in k8s cluster is v1.17 or upper
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topologyKey: topology.kubernetes.io/zone
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# A key/value list of annotations
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annotations:
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# key: value
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# A key/value list of labels
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labels:
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# key: value
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resources:
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# The requests and limits set here, allow the filesystem MDS Pod(s) to use half of one CPU core and 1 gigabyte of memory
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# limits:
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# cpu: "500m"
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# memory: "1024Mi"
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# requests:
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# cpu: "500m"
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# memory: "1024Mi"
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# priorityClassName: my-priority-class
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