Ceph Commands Fails with Error -- "Cannot Map Zero-Fill Pages: Cannot Allocate Memory" (Doc ID 2290432.1)

Last updated on JULY 31, 2017

Applies to:

Linux OS - Version Oracle Linux 7.0 and later
Linux x86-64

Symptoms

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 ~]#

 

Changes

 No changes are executed on the node.

Cause

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