CephNotes

Some notes about Ceph
Laurent Barbe @CCM Benchmark

Check OSD Version

Occasionally it may be useful to check the version of the OSD on the entire cluster :

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ceph tell osd.* version
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osd.0: {
    "version": "ceph version 0.94.5-224-g4051bc2 (4051bc2a5e4313ac0f6236d7a34ed5fb4a1d9ea2)"
}
osd.1: {
    "version": "ceph version 0.94.5-224-g4051bc2 (4051bc2a5e4313ac0f6236d7a34ed5fb4a1d9ea2)"
}
osd.2: {
    "version": "ceph version 0.94.5-224-g4051bc2 (4051bc2a5e4313ac0f6236d7a34ed5fb4a1d9ea2)"
}
osd.3: {
    "version": "ceph version 0.94.6 (e832001feaf8c176593e0325c8298e3f16dfb403)"
}
osd.4: {
    "version": "ceph version 0.94.6 (e832001feaf8c176593e0325c8298e3f16dfb403)"
}
osd.5: {
    "version": "ceph version 0.94.6 (e832001feaf8c176593e0325c8298e3f16dfb403)"
}
osd.6: {
    "version": "ceph version 0.94.6 (e832001feaf8c176593e0325c8298e3f16dfb403)"
}
...

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