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LVM Extension


root@veen12603200261106010101:~# pvcreate /dev/vdb /dev/vdc /dev/vdd
  Physical volume "/dev/vdb" successfully created.
  Physical volume "/dev/vdc" successfully created.
  Physical volume "/dev/vdd" successfully created.
root@veen12603200261106010101:~# lsblk -f
NAME   FSTYPE      FSVER            LABEL    UUID                                   FSAVAIL FSUSE% MOUNTPOINTS
sr0    iso9660     Joliet Extension config-2 2026-01-19-12-30-31-00
vda
├─vda1
└─vda2 ext4        1.0                       668b0cc9-9cce-4dbd-bc67-ceb4166253c8     31.9G    10% /
vdb    LVM2_member LVM2 001                  HMKbCi-yY86-yyyu-f7lM-QfR2-W2lM-NkHyvC
vdc    LVM2_member LVM2 001                  G8sPGC-M0DE-ppuN-BNoZ-1Bmu-btE1-QOYxLc
vdd    LVM2_member LVM2 001                  7oSNGV-bfxe-Imnn-SqOH-nV3B-nIED-PIzMoH
root@veen12603200261106010101:~# vgcreate datavg /dev/vdb /dev/vdc /dev/vdd
  Volume group "datavg" successfully created
root@veen12603200261106010101:~# lsblk -f
NAME   FSTYPE      FSVER            LABEL    UUID                                   FSAVAIL FSUSE% MOUNTPOINTS
sr0    iso9660     Joliet Extension config-2 2026-01-19-12-30-31-00
vda
├─vda1
└─vda2 ext4        1.0                       668b0cc9-9cce-4dbd-bc67-ceb4166253c8     31.9G    10% /
vdb    LVM2_member LVM2 001                  HMKbCi-yY86-yyyu-f7lM-QfR2-W2lM-NkHyvC
vdc    LVM2_member LVM2 001                  G8sPGC-M0DE-ppuN-BNoZ-1Bmu-btE1-QOYxLc
vdd    LVM2_member LVM2 001                  7oSNGV-bfxe-Imnn-SqOH-nV3B-nIED-PIzMoH
root@veen12603200261106010101:~# lvcreate -l 100%FREE -n datalv datavg
  Logical volume "datalv" created.
root@veen12603200261106010101:~# mkfs.ext4 /dev/datavg/datalv
mke2fs 1.46.5 (30-Dec-2021)
Discarding device blocks: done
Creating filesystem with 732951552 4k blocks and 183238656 inodes
Filesystem UUID: e518ccb1-7223-4b54-ad9c-cb4a188903fb
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
        102400000, 214990848, 512000000, 550731776, 644972544

Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks): done
Writing superblocks and filesystem accounting information: done

root@veen12603200261106010101:~# lsblk -f
NAME            FSTYPE      FSVER            LABEL    UUID                                   FSAVAIL FSUSE% MOUNTPOINTS
sr0             iso9660     Joliet Extension config-2 2026-01-19-12-30-31-00
vda
├─vda1
└─vda2          ext4        1.0                       668b0cc9-9cce-4dbd-bc67-ceb4166253c8     31.9G    10% /
vdb             LVM2_member LVM2 001                  HMKbCi-yY86-yyyu-f7lM-QfR2-W2lM-NkHyvC
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb
vdc             LVM2_member LVM2 001                  G8sPGC-M0DE-ppuN-BNoZ-1Bmu-btE1-QOYxLc
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb
vdd             LVM2_member LVM2 001                  7oSNGV-bfxe-Imnn-SqOH-nV3B-nIED-PIzMoH
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb
root@veen12603200261106010101:~# mkdir /data
root@veen12603200261106010101:~# mount /dev/datavg/datalv /data
root@veen12603200261106010101:~# echo '/dev/datavg/datalv /data ext4 defaults 0 0' | sudo tee -a /etc/fstab
/dev/datavg/datalv /data ext4 defaults 0 0
root@veen12603200261106010101:~# lsblk -f
NAME            FSTYPE      FSVER            LABEL    UUID                                   FSAVAIL FSUSE% MOUNTPOINTS
sr0             iso9660     Joliet Extension config-2 2026-01-19-12-30-31-00
vda
├─vda1
└─vda2          ext4        1.0                       668b0cc9-9cce-4dbd-bc67-ceb4166253c8     31.9G    10% /
vdb             LVM2_member LVM2 001                  HMKbCi-yY86-yyyu-f7lM-QfR2-W2lM-NkHyvC
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb      2.5T     0% /data
vdc             LVM2_member LVM2 001                  G8sPGC-M0DE-ppuN-BNoZ-1Bmu-btE1-QOYxLc
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb      2.5T     0% /data
vdd             LVM2_member LVM2 001                  7oSNGV-bfxe-Imnn-SqOH-nV3B-nIED-PIzMoH
└─datavg-datalv ext4        1.0                       e518ccb1-7223-4b54-ad9c-cb4a188903fb      2.5T     0% /data