Xen ISO folder
Find server UUID:
xe host-list
Create ISO folder
mkdir -p /var/opt/xen/ISO
Create SR for ISO
xe sr-create name-label="Local ISO" type=iso host-uuid=<host-uuid> device-config:location=/var/opt/xen/ISO device-config:legacy_mode=true content-type=iso
Rescan after downloading a new ISO
xe sr-scan uuid=<sr_uuid>
check for ISO
xe cd-list
To remove the SR
Find SR PDB UUID
xe pbd-list sr-uuid=<UUID of SR>
Unplug SR
xe pbd-unplug uuid=<UUID of PBD>
Forget SR
xe sr-forget uuid=<UUID of SR>