Unable To Add Memory to guest system from VMware hot-plug functionality - getting error: "echo online >/sys/devices/system/memory/memory264/state : error device read-only" on guest console (Doc ID 2265214.1)

Last updated on MAY 22, 2017

Applies to:

Linux OS - Version Oracle Linux 5.1 to Oracle Linux 7.3 [Release OL5U1 to OL7U3]
Linux x86
Linux x86-64

Symptoms

There was memory pressure on guest system - customer tried to use hot-add memory option in VMware but it failed:

 

Cause

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