updated notes

src/rhcsa.md

@@ -177,11 +177,34 @@ sudo mkfs.xfs /dev/vg_data/lv_data # Format the logical volume lv_data as XFS
 sudo mount /dev/vg_data/lv_data /mnt # Mount the logical volume lv_data to /mnt
 sudo umount /mnt # Unmount the logical volume lv_data from /mnt
 
+sudo lvextend -L +100M /dev/vg_data/lv_data # Extend the logical volume lv_data by 100M
+sudo lvreduce -L -100M /dev/vg_data/lv_data # Reduce the logical volume lv_data by 100M
+
 sudo lvremove /dev/vg_data/lv_data # Remove the logical volume lv_data
 sudo vgremove vg_data # Remove the volume group vg_data
 sudo pvremove /dev/sda1p1 /dev/sdb1p1 /dev/sdc1p1 # Remove the physical volumes /dev/sda1p1, /dev/sdb1p1, /dev/sdc1p1
 
+sudo lvm # Interactive LVM tool
+```
 
+### STRATIS
+```bash
+sudo dnf install stratisd stratis-cli # Install the STRATIS storage service and CLI
+
+sudo stratis pool create pool1 /dev/sda1p1 # Create a pool named pool1 on /dev/sda1p1
+sudo stratis pool add-data pool1 /dev/sdb1p1 # Add a data volume to the pool named pool1 on /dev/sdb1p1
+
+sudo stratis pool delete pool1 # Delete the pool named pool1
+
+sudo stratis pool list # List all pools
+sudo stratis blockdev list # List all block devices
+
+sudo stratis fs create pool1 fstest # Create a filesystem named fstest on the pool named pool1
+sudo stratis fs list # List all filesystems # Note: UUID is the UUID of the filesystem
+mkdir /mnt/fsmount # Create a mount point for the filesystem
+sudo nano /etc/fstab # Add the following line to the fstab file: UUID=1234567890 /mnt/fsmount xfs x-systemd.requires=stratisd.service 0 0
+sudo mount -a # Mount all filesystems
+```