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linux_wiki:add_new_partitions_and_logical_volumes_and_swap_to_a_system_non-destructively [2016/02/29 21:33] billdozor created |
linux_wiki:add_new_partitions_and_logical_volumes_and_swap_to_a_system_non-destructively [2019/05/25 23:50] |
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| - | ====== Add New Partitions And Logical Volumes And Swap To A System Non-destructively ====== | ||
| - | |||
| - | **General Information** | ||
| - | |||
| - | About this page/ | ||
| - | |||
| - | ---- | ||
| - | |||
| - | **Logical Volume Method** | ||
| - | \\ | ||
| - | Create new partition with the Logical Volume type | ||
| - | <code bash> | ||
| - | fdisk /dev/sdb | ||
| - | n | ||
| - | Partition type: primary | ||
| - | Partition number: 1 | ||
| - | First sector: default | ||
| - | Last sector: +1G | ||
| - | t | ||
| - | Hex code: 8e | ||
| - | w | ||
| - | </ | ||
| - | |||
| - | Setup LVM physical volume, volume group, logical volume | ||
| - | <code bash> | ||
| - | pvcreate /dev/sdb1 | ||
| - | vgcreate vglocal /dev/sdb1 | ||
| - | lvcreate -n lvswap -L 1G vglocal | ||
| - | </ | ||
| - | |||
| - | Format logical volume with swap, enable, and add to fstab | ||
| - | <code bash> | ||
| - | mkswap / | ||
| - | swapon / | ||
| - | |||
| - | vim /etc/fstab | ||
| - | |||
| - | / | ||
| - | </ | ||
| - | |||
| - | \\ | ||
| - | **Physical Partition Method** | ||
| - | \\ | ||
| - | Create physical disk partition for swap | ||
| - | <code bash> | ||
| - | fdisk /dev/sdb | ||
| - | n | ||
| - | Partition type: primary | ||
| - | Partition number: 2 | ||
| - | First sector: default | ||
| - | Last sector: +1G | ||
| - | t | ||
| - | Hex code: 82 | ||
| - | w | ||
| - | </ | ||
| - | * Hex code 82 is Linux Swap | ||
| - | |||
| - | Create the swap filesystem | ||
| - | <code bash> | ||
| - | mkswap /dev/sdb2 | ||
| - | swapon /dev/sdb2 | ||
| - | </ | ||
| - | * edit /etc/fstab if you want persistent changes | ||
| - | |||
| - | View swap space | ||
| - | <code bash> | ||
| - | swapon -s | ||
| - | </ | ||
| - | |||
| - | Activate all swap on /etc/fstab | ||
| - | <code bash> | ||
| - | swapon -a | ||
| - | </ | ||
| - | * Turn off swap with: swapoff / | ||
| - | |||
| - | ---- | ||