mirror of
https://github.com/ceph/ceph
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28 lines
563 B
Python
28 lines
563 B
Python
"""
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Prepare MDS cluster for upgrade.
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"""
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import logging
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from tasks.cephfs.filesystem import Filesystem
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log = logging.getLogger(__name__)
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def task(ctx, config):
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"""
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Prepare MDS cluster for upgrade.
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This task reduces ranks to 1 and stops all standbys.
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"""
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if config is None:
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config = {}
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assert isinstance(config, dict), \
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'snap-upgrade task only accepts a dict for configuration'
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fs = Filesystem(ctx)
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fs.getinfo() # load name
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fs.set_allow_standby_replay(False)
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fs.set_max_mds(1)
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fs.reach_max_mds()
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