The general procedure for resizing a swap space is as follows (assuming the swap space is set up as a logical volume within the root volume group called vg_root), for example to resize a swap space to 8 GB:
# swapoff -v /dev/mapper/vg_root-lv_swap # lvm lvresize /dev/mapper/vg_root-lv_swap -L 8G # mkswap /dev/mapper/vg_root-lv_swap # swapon -va
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