I noticed my swap shows yesterday 4K only.
I tried removing and adding again but no avail still same.
Also I tried creating swapfile via DD and FALLOCATE with random sizes 4GB 3GB 8GB and do mkswap. When i check via free -h still shows only 4K
Summary I tried via partition and file stile same 4K (see below)
DMESG
Below are details of configAdding 4k swap on /home/swapfile. Priority:-2 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-lv_swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile. Priority:0 extents:1 across:4k
Adding 4k swap on /home/swapfile. Priority:0 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-lv_swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile1. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile1. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile1. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swap. Priority:-1 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swapper. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile. Priority:-2 extents:1 across:4k
Adding 4k swap on /dev/mapper/VolGroup-swapper. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile. Priority:-2 extents:1 across:4k
Adding 4k swap on /home/swapfile. Priority:-1 extents:1 across:4k
Adding 4k swap on /home/swapfile1. Priority:-2 extents:1 across:4k
Adding 4k swap on /home/swapfile1. Priority:-1 extents:1 across:4k
Filename Type Size Used Priority
/dev/dm-1 partition 4 0 -1
/home/swapfile file 4 0 -2
2.6.32-754.3.5.el6.i686 #1 SMP Tue Aug 14 21:12:17 UTC 2018 i686 i686 i386 GNU/Linux
/dev/mapper/VolGroup-lv_root / ext4 defaults 1 1
UUID=5ce1d9c1-e8de-452f-bab9-2c3c2c03a981 /boot ext4 defaults 1 2
/dev/mapper/VolGroup-lv_home /home ext4 grpquota,usrquota,rw 0 2
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
/dev/mapper/VolGroup-swapper swap swap defaults 0 0
/home/swapfile swap swap defaults 0 0
free command
total used free shared buffers cached
Mem: 8023744 6053716 1970028 3668 473260 4538548
-/+ buffers/cache: 1041908 6981836
Swap: 8 0 8
vmstat command
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 0 1964864 473624 4540312 0 0 287 339 173 215 3 1 93 3 0
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sdc 8:32 0 278.9G 0 disk
├─sdc1 8:33 0 500M 0 part /boot
└─sdc2 8:34 0 278.4G 0 part
├─VolGroup-lv_root (dm-0) 253:0 0 50G 0 lvm /
├─VolGroup-swapper (dm-1) 253:1 0 3.8G 0 lvm [SWAP]
└─VolGroup-lv_home (dm-2) 253:2 0 1.1T 0 lvm /home
sda 8:0 0 931.5G 0 disk
└─sda1 8:1 0 931.5G 0 part
└─md0 9:0 0 931.4G 0 raid1
└─VolGroup-lv_home (dm-2) 253:2 0 1.1T 0 lvm /home
sdb 8:16 0 931.5G 0 disk
└─sdb1 8:17 0 931.5G 0 part
└─md0 9:0 0 931.4G 0 raid1
└─VolGroup-lv_home (dm-2) 253:2 0 1.1T 0 lvm /home
sr0 11:0 1 1024M 0 rom