maximum number of mapped rbds?

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Hello,

In response to an rbd map command, we are getting a "Device or resource busy".

$ rbd -p platform map ceph:pzejrbegg54hi-stage-4ac9303161243dc71c75--php

rbd: sysfs write failed

rbd: map failed: (16) Device or resource busy


We currently have over 200 rbds mapped on a single host. Can this be the source of the problem? If so, is there a workaround?

$  rbd -p platform showmapped|wc -l
248

Thanks.

Best,
Jeff
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