Feature #3542: mds: migration path for existing anchors, anchortables, etc. - CephFS - Ceph

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Feature #3542

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mds: migration path for existing anchors, anchortables, etc.

Added by Sage Weil over 11 years ago. Updated about 11 years ago.

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Normal

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Updated by Sage Weil over 11 years ago

Translation missing: en.field_position deleted (2)
Translation missing: en.field_position set to 18

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Updated by Sage Weil over 11 years ago

Translation missing: en.field_story_points set to 3
Translation missing: en.field_position deleted (18)
Translation missing: en.field_position set to 18

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Updated by Sage Weil over 11 years ago

Translation missing: en.field_position deleted (26)
Translation missing: en.field_position set to 24

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Updated by Greg Farnum over 11 years ago

What all does this encompass? Design? Implementation? Does it need to be an online switch or can it be an offline job?

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Updated by Sage Weil over 11 years ago

Greg Farnum wrote:

What all does this encompass? Design? Implementation? Does it need to be an online switch or can it be an offline job?

All of the above.

A conversion that phases out the anchor table should probably be a separate feature. We might be able to freeze the table and use it only if we need to for existing metadata, and everything new gets backpointers. Especially since currently all the directories already have backpointers.

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