What happen when inodes or metadata = 100%?

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Hi to list,

what happen when inodes or metadata is equal to 100%?

IE:
Type           Total          Used           Free           use%
- ----------------------------------------------------------------------
- --
inodes         19453          18231          1222           94%
metadata       2312           826            1486           36%
data           4125751        386983         3738768        9%

And, what are the corrective solutions?
Thanks

Andrea Cerrito
IT Manager

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