Tasks:
fdisk is under /sbin
Disk /dev/sda: 32 GiB, 34359738368 bytes, 67108864 sectors
Disk model: QEMU HARDDISK
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: dos
Disk identifier: 0xd80d0738
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 63578111 63576064 30.3G 83 Linux
/dev/sda2 63580158 67106815 3526658 1.7G f W95 Ext'd (LBA)
/dev/sda5 63580160 67106815 3526656 1.7G 82 Linux swap / Solaris
Disk /dev/sdb: 64 GiB, 68719476736 bytes, 134217728 sectors
Disk model: QEMU HARDDISK
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdc: 2 TiB, 2199023255552 bytes, 4294967296 sectors
Disk model: QEMU HARDDISK
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
/dev/sda and associated partitions are for system, seems like an ext4 format
studen@labkey:~$ sudo file -sL /dev/sda*
/dev/sda: DOS/MBR boot sector
/dev/sda1: Linux rev 1.0 ext4 filesystem data, UUID=7aa97821-8328-41bf-add1-199fde502af2 (needs journal recovery) (extents) (64bit) (large files) (huge files)
/dev/sdb is for database, needs partitioning
studen@labkey:~$ sudo fdisk /dev/sdb
Command (m for help): g
Created a new GPT disklabel (GUID: CEB79293-AAAF-4E3B-AC17-D7D5C4030135).
Command (m for help): n
Partition number (1-128, default 1):
First sector (2048-134217694, default 2048): <Enter>
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-134217694, default 134215679): <Enter>
Created a new partition 1 of type 'Linux filesystem' and of size 64 GiB.
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
studen@labkey:~$ sudo fdisk /dev/sdb
Welcome to fdisk (util-linux 2.41).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sdb: 64 GiB, 68719476736 bytes, 134217728 sectors
Disk model: QEMU HARDDISK
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: CEB79293-AAAF-4E3B-AC17-D7D5C4030135
Device Start End Sectors Size Type
/dev/sdb1 2048 134215679 134213632 64G Linux filesystem
Command (m for help): q
studen@labkey:~$ sudo mkfs.ext4 /dev/sdb1
mke2fs 1.47.2 (1-Jan-2025)
Discarding device blocks: done
Creating filesystem with 16776704 4k blocks and 4194304 inodes
Filesystem UUID: 4296eee3-c46d-42f5-8d84-da8dc712e3d7
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424
Allocating group tables: done
Writing inode tables: done
Creating journal (65536 blocks): done
Writing superblocks and filesystem accounting information: done
studen@labkey:~$ sudo blkid
/dev/sdb1: UUID="4296eee3-c46d-42f5-8d84-da8dc712e3d7" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="50081ae0-6c42-4de7-8010-7ce19fbdfbcd"
/dev/sda5: UUID="f54d2ee3-8dee-4792-a2c7-b529c2889ecd" TYPE="swap" PARTUUID="d80d0738-05"
/dev/sda1: UUID="7aa97821-8328-41bf-add1-199fde502af2" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="d80d0738-01"
mount it to /data0 by editing /etc/fstab:
studen@labkey:~$ vi /etc/fstab
#database disk (/dev/sdb1), 20250926
UUID=4296eee3-c46d-42f5-8d84-da8dc712e3d7 /data0 ext4 defaults 0 2
studen@labkey:~$ sudo mkdir /data0
studen@labkey:~$ sudo mount -a
studen@labkey:~$ sudo systemctl daemon-reload
/dev/sdc is for files/images, needs partitioning
studen@labkey:~$ sudo fdisk /dev/sdc
[...]
Device does not contain a recognized partition table.
The size of this disk is 2 TiB (2199023255552 bytes). DOS partition table format cannot be used on drives for volumes larger than 2199023255040 bytes for 512-byte sectors. Use GUID partition table format (GPT).
Created a new DOS (MBR) disklabel with disk identifier 0xb95bd7d0.
Command (m for help): g
Created a new GPT disklabel (GUID: F9E0CF5C-25C6-4086-91D4-A36AEB8C67F8).
Command (m for help): n
Partition number (1-128, default 1):
First sector (2048-4294967262, default 2048):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-4294967262, default 4294965247):
Created a new partition 1 of type 'Linux filesystem' and of size 2 TiB.
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
studen@labkey:~$ sudo fdisk /dev/sdc
[...]
Command (m for help): p
Disk /dev/sdc: 2 TiB, 2199023255552 bytes, 4294967296 sectors
Disk model: QEMU HARDDISK
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: F9E0CF5C-25C6-4086-91D4-A36AEB8C67F8
Device Start End Sectors Size Type
/dev/sdc1 2048 4294965247 4294963200 2T Linux filesystem
studen@labkey:~$ sudo mkfs.ext4 /dev/sdc1
mke2fs 1.47.2 (1-Jan-2025)
Discarding device blocks: done
Creating filesystem with 536870400 4k blocks and 134217728 inodes
Filesystem UUID: aeffcc3c-c7f5-4856-9f30-6a5b402b764f
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848, 512000000
Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks): done
Writing superblocks and filesystem accounting information: done
mount /dev/sdc1 as /data1
studen@labkey:~$ sudo blkid
[...]
/dev/sdc1: UUID="aeffcc3c-c7f5-4856-9f30-6a5b402b764f" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="390885ba-f0f8-4871-985d-245d327f559e"
studen@labkey:~$ vi /etc/fstab
#files disk (/dev/sdc1), 20250926
UUID=aeffcc3c-c7f5-4856-9f30-6a5b402b764f /data1 ext4 defaults 0 2
studen@labkey:~$ sudo mkdir /data1
studen@labkey:~$ sudo mount -a
studen@labkey:~$ sudo systemctl daemon-reload
final layout
studen@labkey:~$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 7.8G 0 7.8G 0% /dev
tmpfs 1.6G 520K 1.6G 1% /run
/dev/sda1 30G 1.2G 27G 5% /
tmpfs 7.9G 0 7.9G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.service
tmpfs 7.9G 0 7.9G 0% /tmp
tmpfs 1.0M 0 1.0M 0% /run/credentials/getty@tty1.service
tmpfs 1.6G 8.0K 1.6G 1% /run/user/1002
/dev/sdb1 63G 2.1M 60G 1% /data0
/dev/sdc1 2.0T 2.1M 1.9T 1% /data1
