ubuntu_extend_default_lvm_space
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| ubuntu_extend_default_lvm_space [2023/06/29 19:16] – wikiadmin | ubuntu_extend_default_lvm_space [2023/06/29 20:01] (current) – wikiadmin | ||
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| ====== Ubuntu - Extend Your Default LVM Space ====== | ====== Ubuntu - Extend Your Default LVM Space ====== | ||
| - | So, like me, you installed Ubuntu and accepted the default | + | So, like me, you installed Ubuntu and accepted the installers |
| + | |||
| + | All credit for the concepts and sequences of commands goes to the publishers of the article that you can find by clicking the following link: | ||
| - | All credit goes to this article: | ||
| [[https:// | [[https:// | ||
| + | |||
| + | This first example below involves a 1TB physical drive of which Ubuntu' | ||
| + | |||
| + | First run df -h | ||
| < | < | ||
| Line 20: | Line 25: | ||
| tmpfs 791M 4.0K 791M 1% / | tmpfs 791M 4.0K 791M 1% / | ||
| </ | </ | ||
| + | |||
| + | Next run vgdisplay | ||
| < | < | ||
| Line 50: | Line 57: | ||
| </ | </ | ||
| + | Next run lvdisplay | ||
| < | < | ||
| Line 73: | Line 81: | ||
| Block device | Block device | ||
| </ | </ | ||
| + | |||
| + | Switching to root user | ||
| < | < | ||
| Line 79: | Line 89: | ||
| root@svr1: | root@svr1: | ||
| </ | </ | ||
| + | |||
| + | Run the following to extend the LV to the maximum size usable. | ||
| < | < | ||
| Line 120: | Line 132: | ||
| First, run df -h to verify your (almost full) root file system, then run resize2fs / | First, run df -h to verify your (almost full) root file system, then run resize2fs / | ||
| - | Note: The following operations and output involves a 2TB physical drive instead of 1TB. | + | This is a continuation of the above: now extending the file system to utilize the entire resized volume on a 1TB physical drive. |
| + | |||
| + | Re-established remote ssh connection and want to again switch to root user. | ||
| + | |||
| + | < | ||
| + | ~$ sudo su | ||
| + | [sudo] password for user: | ||
| + | root@svr1:/ | ||
| + | </ | ||
| + | |||
| + | Run df -h to see where we are. Notice that ubuntu--vg-ubuntu--lv | ||
| + | |||
| + | < | ||
| + | root@svr11: | ||
| + | Filesystem | ||
| + | tmpfs 791M 1.2M 790M 1% /run | ||
| + | / | ||
| + | tmpfs 3.9G | ||
| + | tmpfs 5.0M | ||
| + | / | ||
| + | tmpfs 791M 4.0K 791M 1% / | ||
| + | </ | ||
| + | |||
| + | Let's check vgdisplay | ||
| + | |||
| + | < | ||
| + | root@svr1: | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | --- Volume group --- | ||
| + | VG Name | ||
| + | System ID | ||
| + | Format | ||
| + | Metadata Areas 1 | ||
| + | Metadata Sequence No 3 | ||
| + | VG Access | ||
| + | VG Status | ||
| + | MAX LV 0 | ||
| + | Cur LV 1 | ||
| + | Open LV 1 | ||
| + | Max PV 0 | ||
| + | Cur PV 1 | ||
| + | Act PV 1 | ||
| + | VG Size < | ||
| + | PE Size 4.00 MiB | ||
| + | Total PE 237823 | ||
| + | Alloc PE / Size | ||
| + | Free PE / Size 0 / 0 | ||
| + | VG UUID | ||
| + | </ | ||
| + | |||
| + | Let's check lvdisplay | ||
| + | |||
| + | < | ||
| + | root@svr1: | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | --- Logical volume --- | ||
| + | LV Path / | ||
| + | LV Name ubuntu-lv | ||
| + | VG Name ubuntu-vg | ||
| + | LV UUID xUUIxr-wnDl-7ZNk-EQpK-gAwb-Wug0-a7JSTb | ||
| + | LV Write Access | ||
| + | LV Creation host, time ubuntu-server, | ||
| + | LV Status | ||
| + | # open 1 | ||
| + | LV Size <929.00 GiB | ||
| + | Current LE | ||
| + | Segments | ||
| + | Allocation | ||
| + | Read ahead sectors | ||
| + | - currently set to 256 | ||
| + | Block device | ||
| + | </ | ||
| + | |||
| + | Now, run the following command to resize the file system to the full size of the resized volume. | ||
| + | |||
| + | < | ||
| + | root@svr1: | ||
| + | resize2fs 1.46.5 (30-Dec-2021) | ||
| + | Filesystem at / | ||
| + | old_desc_blocks = 13, new_desc_blocks = 117 | ||
| + | The filesystem on / | ||
| + | |||
| + | root@svr1: | ||
| + | </ | ||
| + | |||
| + | Run df -h | ||
| + | |||
| + | And notice that ' | ||
| + | |||
| + | < | ||
| + | root@svr1: | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | Filesystem | ||
| + | tmpfs 791M 1.2M 790M 1% /run | ||
| + | / | ||
| + | tmpfs 3.9G | ||
| + | tmpfs 5.0M | ||
| + | / | ||
| + | tmpfs 791M 4.0K 791M 1% / | ||
| + | root@svr1: | ||
| + | |||
| + | </ | ||
| + | |||
| + | **End of resizing on the 1TB physical drive. | ||
| + | |||
| + | |||
| + | FOLLOWING IS ANOTHER UNRELATED EXAMPLE OF THE SECOND PART OF THE PROCESS: | ||
| + | |||
| + | Example 2: | ||
| + | |||
| + | Note: The following operations and output involves a 2TB physical drive instead of 1TB (like above). | ||
| + | |||
| + | Again, at this point we have increased the size of the block volume where your root filesystem resides, but you still need to extend the filesystem on top of it. | ||
| + | |||
| + | First, run df -h to verify your (almost full) root file system, then run resize2fs / | ||
| Here are the new readings for ' | Here are the new readings for ' | ||
| Line 158: | Line 290: | ||
| < | < | ||
| - | root@nc3:~# resize2fs / | + | root@svr3:~# resize2fs / |
| </ | </ | ||
| Line 173: | Line 305: | ||
| < | < | ||
| - | root@nc3:~# df -h | + | root@svr3:~# df -h |
| Filesystem | Filesystem | ||
| tmpfs 1.6G 1.2M 1.6G 1% /run | tmpfs 1.6G 1.2M 1.6G 1% /run | ||
| Line 187: | Line 319: | ||
| < | < | ||
| - | root@nsvr3:~# vgdisplay | + | root@svr3:~# vgdisplay |
| --- Volume group --- | --- Volume group --- | ||
| VG Name | VG Name | ||
ubuntu_extend_default_lvm_space.1688066189.txt.gz · Last modified: 2023/06/29 19:16 by wikiadmin