How do I expand the root's volume size?












3















I have Ubuntu Server 18.04 LTS running off a 16GB SanDisk USB pendrive in my server. From what I can remember, when I installed Ubuntu on there I had enabled LVM support. For some reason, when I ssh into my server, it says / is using 99.6% of 3.87GB, but doing sudo fdisk -l /dev/sdm says:



Disk /dev/sdm: 14.6 GiB, 15664676864 bytes, 30595072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 7DF91AEG-9DE1-43B2-A7C7-EB564B51FEB2

Device Start End Sectors Size Type
/dev/sdm1 2048 4095 2048 1M BIOS boot
/dev/sdm2 4096 2101247 2097152 1G Linux filesystem
/dev/sdm3 2101248 30593023 28491776 13.6G Linux filesystem


And output from (parted) print with /dev/sdm selected gives me:



Model: SanDisk Cruzer Glide (scsi)
Disk /dev/sdm: 15.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name Flags
1 1049kB 2097kB 1049kB bios_grub
2 2097kB 1076MB 1074MB ext4
3 1076MB 15.7GB 14.6GB


Running sudo df -h gives me:



Filesystem                         Size  Used Avail Use% Mounted on
udev 12G 0 12G 0% /dev
tmpfs 2.4G 241M 2.2G 10% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 3.9G 3.9G 0 100% /
tmpfs 12G 0 12G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 12G 0 12G 0% /sys/fs/cgroup
/dev/loop0 90M 90M 0 100% /snap/core/6034
/dev/loop1 90M 90M 0 100% /snap/core/6130
/dev/sdm2 976M 155M 755M 17% /boot
tmpfs 2.4G 0 2.4G 0% /run/user/1000
/dev/loop3 92M 92M 0 100% /snap/core/6259


I have left out my ZFS volume above, as it's unnecessary to include it.



Running sudo vgs gives me:



  VG        #PV #LV #SN Attr   VSize  VFree
ubuntu-vg 1 1 0 wz--n- 13.58g 9.58g


And, lastly, running sudo lvs gives me:



  LV        VG        Attr       LSize Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
ubuntu-lv ubuntu-vg -wi-ao---- 4.00g


/dev/sdm is my root drive by the way. Any insight to this would be helpful. I do have ZFS installed managing other disks, but / is ext3 or 4.



One other thing to note is that I have LVM enabled because if my USB drive were to ever go bad I wanted to be able to restore the data to a new drive, whether it is smaller or larger than 16GB, and utilize the whole disk.










share|improve this question









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  • Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

    – leetbacoon
    1 hour ago


















3















I have Ubuntu Server 18.04 LTS running off a 16GB SanDisk USB pendrive in my server. From what I can remember, when I installed Ubuntu on there I had enabled LVM support. For some reason, when I ssh into my server, it says / is using 99.6% of 3.87GB, but doing sudo fdisk -l /dev/sdm says:



Disk /dev/sdm: 14.6 GiB, 15664676864 bytes, 30595072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 7DF91AEG-9DE1-43B2-A7C7-EB564B51FEB2

Device Start End Sectors Size Type
/dev/sdm1 2048 4095 2048 1M BIOS boot
/dev/sdm2 4096 2101247 2097152 1G Linux filesystem
/dev/sdm3 2101248 30593023 28491776 13.6G Linux filesystem


And output from (parted) print with /dev/sdm selected gives me:



Model: SanDisk Cruzer Glide (scsi)
Disk /dev/sdm: 15.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name Flags
1 1049kB 2097kB 1049kB bios_grub
2 2097kB 1076MB 1074MB ext4
3 1076MB 15.7GB 14.6GB


Running sudo df -h gives me:



Filesystem                         Size  Used Avail Use% Mounted on
udev 12G 0 12G 0% /dev
tmpfs 2.4G 241M 2.2G 10% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 3.9G 3.9G 0 100% /
tmpfs 12G 0 12G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 12G 0 12G 0% /sys/fs/cgroup
/dev/loop0 90M 90M 0 100% /snap/core/6034
/dev/loop1 90M 90M 0 100% /snap/core/6130
/dev/sdm2 976M 155M 755M 17% /boot
tmpfs 2.4G 0 2.4G 0% /run/user/1000
/dev/loop3 92M 92M 0 100% /snap/core/6259


I have left out my ZFS volume above, as it's unnecessary to include it.



Running sudo vgs gives me:



  VG        #PV #LV #SN Attr   VSize  VFree
ubuntu-vg 1 1 0 wz--n- 13.58g 9.58g


And, lastly, running sudo lvs gives me:



  LV        VG        Attr       LSize Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
ubuntu-lv ubuntu-vg -wi-ao---- 4.00g


/dev/sdm is my root drive by the way. Any insight to this would be helpful. I do have ZFS installed managing other disks, but / is ext3 or 4.



One other thing to note is that I have LVM enabled because if my USB drive were to ever go bad I wanted to be able to restore the data to a new drive, whether it is smaller or larger than 16GB, and utilize the whole disk.










share|improve this question









New contributor




leetbacoon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





















  • Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

    – leetbacoon
    1 hour ago
















3












3








3


1






I have Ubuntu Server 18.04 LTS running off a 16GB SanDisk USB pendrive in my server. From what I can remember, when I installed Ubuntu on there I had enabled LVM support. For some reason, when I ssh into my server, it says / is using 99.6% of 3.87GB, but doing sudo fdisk -l /dev/sdm says:



Disk /dev/sdm: 14.6 GiB, 15664676864 bytes, 30595072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 7DF91AEG-9DE1-43B2-A7C7-EB564B51FEB2

Device Start End Sectors Size Type
/dev/sdm1 2048 4095 2048 1M BIOS boot
/dev/sdm2 4096 2101247 2097152 1G Linux filesystem
/dev/sdm3 2101248 30593023 28491776 13.6G Linux filesystem


And output from (parted) print with /dev/sdm selected gives me:



Model: SanDisk Cruzer Glide (scsi)
Disk /dev/sdm: 15.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name Flags
1 1049kB 2097kB 1049kB bios_grub
2 2097kB 1076MB 1074MB ext4
3 1076MB 15.7GB 14.6GB


Running sudo df -h gives me:



Filesystem                         Size  Used Avail Use% Mounted on
udev 12G 0 12G 0% /dev
tmpfs 2.4G 241M 2.2G 10% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 3.9G 3.9G 0 100% /
tmpfs 12G 0 12G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 12G 0 12G 0% /sys/fs/cgroup
/dev/loop0 90M 90M 0 100% /snap/core/6034
/dev/loop1 90M 90M 0 100% /snap/core/6130
/dev/sdm2 976M 155M 755M 17% /boot
tmpfs 2.4G 0 2.4G 0% /run/user/1000
/dev/loop3 92M 92M 0 100% /snap/core/6259


I have left out my ZFS volume above, as it's unnecessary to include it.



Running sudo vgs gives me:



  VG        #PV #LV #SN Attr   VSize  VFree
ubuntu-vg 1 1 0 wz--n- 13.58g 9.58g


And, lastly, running sudo lvs gives me:



  LV        VG        Attr       LSize Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
ubuntu-lv ubuntu-vg -wi-ao---- 4.00g


/dev/sdm is my root drive by the way. Any insight to this would be helpful. I do have ZFS installed managing other disks, but / is ext3 or 4.



One other thing to note is that I have LVM enabled because if my USB drive were to ever go bad I wanted to be able to restore the data to a new drive, whether it is smaller or larger than 16GB, and utilize the whole disk.










share|improve this question









New contributor




leetbacoon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I have Ubuntu Server 18.04 LTS running off a 16GB SanDisk USB pendrive in my server. From what I can remember, when I installed Ubuntu on there I had enabled LVM support. For some reason, when I ssh into my server, it says / is using 99.6% of 3.87GB, but doing sudo fdisk -l /dev/sdm says:



Disk /dev/sdm: 14.6 GiB, 15664676864 bytes, 30595072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 7DF91AEG-9DE1-43B2-A7C7-EB564B51FEB2

Device Start End Sectors Size Type
/dev/sdm1 2048 4095 2048 1M BIOS boot
/dev/sdm2 4096 2101247 2097152 1G Linux filesystem
/dev/sdm3 2101248 30593023 28491776 13.6G Linux filesystem


And output from (parted) print with /dev/sdm selected gives me:



Model: SanDisk Cruzer Glide (scsi)
Disk /dev/sdm: 15.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number Start End Size File system Name Flags
1 1049kB 2097kB 1049kB bios_grub
2 2097kB 1076MB 1074MB ext4
3 1076MB 15.7GB 14.6GB


Running sudo df -h gives me:



Filesystem                         Size  Used Avail Use% Mounted on
udev 12G 0 12G 0% /dev
tmpfs 2.4G 241M 2.2G 10% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 3.9G 3.9G 0 100% /
tmpfs 12G 0 12G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 12G 0 12G 0% /sys/fs/cgroup
/dev/loop0 90M 90M 0 100% /snap/core/6034
/dev/loop1 90M 90M 0 100% /snap/core/6130
/dev/sdm2 976M 155M 755M 17% /boot
tmpfs 2.4G 0 2.4G 0% /run/user/1000
/dev/loop3 92M 92M 0 100% /snap/core/6259


I have left out my ZFS volume above, as it's unnecessary to include it.



Running sudo vgs gives me:



  VG        #PV #LV #SN Attr   VSize  VFree
ubuntu-vg 1 1 0 wz--n- 13.58g 9.58g


And, lastly, running sudo lvs gives me:



  LV        VG        Attr       LSize Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
ubuntu-lv ubuntu-vg -wi-ao---- 4.00g


/dev/sdm is my root drive by the way. Any insight to this would be helpful. I do have ZFS installed managing other disks, but / is ext3 or 4.



One other thing to note is that I have LVM enabled because if my USB drive were to ever go bad I wanted to be able to restore the data to a new drive, whether it is smaller or larger than 16GB, and utilize the whole disk.







ubuntu filesystems lvm zfs ubuntu-18.04






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Check out our Code of Conduct.











share|improve this question









New contributor




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Check out our Code of Conduct.









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share|improve this question








edited 2 hours ago







leetbacoon













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asked 4 hours ago









leetbacoonleetbacoon

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leetbacoon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Check out our Code of Conduct.













  • Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

    – leetbacoon
    1 hour ago





















  • Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

    – leetbacoon
    1 hour ago



















Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

– leetbacoon
1 hour ago







Found out that the journal logs were taking up about ~290MB. purging them using sudo journalctl --vacuum-time=2d gave me enough free space to perform the actions Michael suggested.

– leetbacoon
1 hour ago












1 Answer
1






active

oldest

votes


















3














As you can see, there's about 9.58 GiB free in your volume group, so that's how much space you can add to the logical volume.



First, you can use lvextend to extend the size of the logical volume, to fill up the remaining space:



sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv


Now, you can resize the filesystem in that logical volume.



sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv


Finally, you can see the end result:



sudo df -h /





share|improve this answer
























  • Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

    – leetbacoon
    2 hours ago













  • @leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

    – Michael Hampton
    2 hours ago











  • Beautiful. Worked like a charm. Thank you!! :)

    – leetbacoon
    1 hour ago











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1 Answer
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1 Answer
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active

oldest

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active

oldest

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active

oldest

votes









3














As you can see, there's about 9.58 GiB free in your volume group, so that's how much space you can add to the logical volume.



First, you can use lvextend to extend the size of the logical volume, to fill up the remaining space:



sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv


Now, you can resize the filesystem in that logical volume.



sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv


Finally, you can see the end result:



sudo df -h /





share|improve this answer
























  • Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

    – leetbacoon
    2 hours ago













  • @leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

    – Michael Hampton
    2 hours ago











  • Beautiful. Worked like a charm. Thank you!! :)

    – leetbacoon
    1 hour ago
















3














As you can see, there's about 9.58 GiB free in your volume group, so that's how much space you can add to the logical volume.



First, you can use lvextend to extend the size of the logical volume, to fill up the remaining space:



sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv


Now, you can resize the filesystem in that logical volume.



sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv


Finally, you can see the end result:



sudo df -h /





share|improve this answer
























  • Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

    – leetbacoon
    2 hours ago













  • @leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

    – Michael Hampton
    2 hours ago











  • Beautiful. Worked like a charm. Thank you!! :)

    – leetbacoon
    1 hour ago














3












3








3







As you can see, there's about 9.58 GiB free in your volume group, so that's how much space you can add to the logical volume.



First, you can use lvextend to extend the size of the logical volume, to fill up the remaining space:



sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv


Now, you can resize the filesystem in that logical volume.



sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv


Finally, you can see the end result:



sudo df -h /





share|improve this answer













As you can see, there's about 9.58 GiB free in your volume group, so that's how much space you can add to the logical volume.



First, you can use lvextend to extend the size of the logical volume, to fill up the remaining space:



sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv


Now, you can resize the filesystem in that logical volume.



sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv


Finally, you can see the end result:



sudo df -h /






share|improve this answer












share|improve this answer



share|improve this answer










answered 2 hours ago









Michael HamptonMichael Hampton

168k27307629




168k27307629













  • Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

    – leetbacoon
    2 hours ago













  • @leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

    – Michael Hampton
    2 hours ago











  • Beautiful. Worked like a charm. Thank you!! :)

    – leetbacoon
    1 hour ago



















  • Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

    – leetbacoon
    2 hours ago













  • @leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

    – Michael Hampton
    2 hours ago











  • Beautiful. Worked like a charm. Thank you!! :)

    – leetbacoon
    1 hour ago

















Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

– leetbacoon
2 hours ago







Thank you, but I tried sudo lvextend --extents +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv and it says: /etc/lvm/archive/.lvm_ubuntu-server_21283_417376161: write error failed: No space left on device

– leetbacoon
2 hours ago















@leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

– Michael Hampton
2 hours ago





@leetbacoon Yes, you do need at least a tiny bit of free space available to complete this. You should delete some files you don't need, such as old logs or whatever.

– Michael Hampton
2 hours ago













Beautiful. Worked like a charm. Thank you!! :)

– leetbacoon
1 hour ago





Beautiful. Worked like a charm. Thank you!! :)

– leetbacoon
1 hour ago










leetbacoon is a new contributor. Be nice, and check out our Code of Conduct.










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