swapon: /dev/mapper/vg_sys-lv_swap: swapon failed: Cannot allocate memory
Issue
- Unable to activate the swap device.
- When trying to enable swap devices with
swapon -acommand getting below error:
# swapon -a
swapon: /dev/mapper/vg_sys-lv_swap: swapon failed: Cannot allocate memory
Environment
- Red Hat Enterprise Linux 7.6
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
