Encrypt LVM logical volume before filesystem setup

To configure encryption on an empty LVM logical volume in Rocky Linux 9.x after OS installation, follow these steps:

Set up LUKS encryption on the logical volume:
```
cryptsetup luksFormat /dev/rl/mnt_data1
```
You will be prompted to confirm and set a passphrase.
Open the encrypted volume:
```
cryptsetup luksOpen /dev/rl/mnt_data1 mnt_data1
```
This maps the encrypted device to `/dev/mapper/mnt_data1`
Format the mapped device as desired (e.g., ext4 or xfs):
```
mkfs.ext4 /dev/mapper/mnt_data1
```

Mount the encrypted volume:

mkdir /mnt/data1
mount /dev/mapper/mnt_data1 /mnt/data1

Configure auto-mounting at boot:

Edit /etc/crypttab and append

mnt_data1   UUID="e5d28922-c8aa-4d50-a303-7d5da35285b1"  none luks

edit /etc/fstab and append

/dev/mapper/mnt_data1 /mnt/data1              ext4    defaults        1 2

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