Why is total/used/free swap showing zero when "free" command is executed?
Issue
- Swap space appears to be zero
[root@test1]# free -m
total used free shared buffers cached
Mem: 2010 1918 91 0 217 1180
-/+ buffers/cache: 520 1489
Swap: 0 0 0
- Entry of swap in /etc/fstab
LABEL=SWAP-sda2 swap swap defaults 0 0
- swapon -a throws the following error
[root@test1]# swapon -a
swapon: cannot find the device for LABEL=SWAP-sda2
Environment
- Red Hat Enterprise Linux (ALL)
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