Ceph Commands Fails with Error -- "Cannot Map Zero-Fill Pages: Cannot Allocate Memory"
Last updated on JULY 31, 2017
Applies to:Linux OS - Version Oracle Linux 7.0 and later
Ceph environments running on OL7 with uek4 kernel, getting error while executing commands.
[root@cephN1 ~]# ceph health Traceback (most recent call last): File "/usr/bin/ceph", line 118, in <module> import rados ImportError: librados.so.2: cannot map zero-fill pages: Cannot allocate memory [root@cephN1 ~]#
No changes are executed on the node.
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