mirror of
https://github.com/ceph/ceph
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130 lines
2.7 KiB
ReStructuredText
130 lines
2.7 KiB
ReStructuredText
=================================
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Deploying a development cluster
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=================================
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In order to develop on ceph, a Ceph utility,
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*vstart.sh*, allows you to deploy fake local cluster for development purpose.
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Usage
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=====
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It allows to deploy a fake local cluster on your machine for development purpose. It starts rgw, mon, osd and/or mds, or all of them if not specified.
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To start your development cluster, type the following::
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vstart.sh [OPTIONS]...
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In order to stop the cluster, you can type::
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./stop.sh
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Options
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=======
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.. option:: -i ip_address
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Bind to the specified *ip_address* instead of guessing and resolve from hostname.
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.. option:: -k
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Keep old configuration files instead of overwritting theses.
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.. option:: -l, --localhost
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Use localhost instead of hostanme.
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.. option:: -m ip[:port]
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Specifies monitor *ip* address and *port*.
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.. option:: -n, --new
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Create a new cluster.
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.. option:: -o config
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Add *config* to all sections in the ceph configuration.
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.. option:: -r
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Start radosgw on port starting from 8000.
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.. option:: --nodaemon
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Use ceph-run as wrapper for mon/osd/mds.
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.. option:: --smallmds
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Configure mds with small limit cache size.
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.. option:: -x
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Enable Cephx (on by default).
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.. option:: -X
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Disable Cephx.
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.. option:: -d, --debug
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Launch in debug mode
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.. option:: --valgrind[_{osd,mds,mon}] 'valgrind_toolname [args...]'
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Launch the osd/mds/mon/all the ceph binaries using valgrind with the specified tool and arguments.
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.. option:: --{mon,osd,mds}_num
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Set the count of mon/osd/mds daemons
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.. option:: --bluestore
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Use bluestore as the objectstore backend for osds
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.. option:: --memstore
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Use memstore as the objectstore backend for osds
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.. option:: --cache <pool>
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Set a cache-tier for the specified pool
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Environment variables
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=====================
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{OSD,MDS,MON,RGW}
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Theses environment variables will contains the number of instances of the desired ceph process you want to start.
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Example: ::
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OSD=3 MON=3 RGW=1 vstart.sh
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============================================================
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Deploying multiple development clusters on the same machine
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============================================================
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In order to bring up multiple ceph clusters on the same machine, *mstart.sh* a
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small wrapper around the above *vstart* can help.
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Usage
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=====
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To start multiple clusters, you would run mstart for each cluster you would want
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to deploy, and it will start monitors, rgws for each cluster on different ports
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allowing you to run multiple mons, rgws etc. on the same cluster. Invoke it in
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the following way::
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mstart.sh <cluster-name> <vstart options>
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For eg::
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./mstart.sh cluster1 -n -r
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For stopping the cluster, you do::
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./mstop.sh <cluster-name>
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