RHEL-Specific Considerations

# Register system
sudo subscription-manager register --username <username>

# Attach subscription
sudo subscription-manager attach --auto

# Enable required repositories
sudo subscription-manager repos --enable=rhel-9-for-x86_64-baseos-rpms
sudo subscription-manager repos --enable=rhel-9-for-x86_64-appstream-rpms

# Update system
sudo dnf update -y

# No subscription required
sudo dnf update -y

# Enable EPEL if needed for additional tools
sudo dnf install -y epel-release

• RHEL 8: Kernel 4.18.0 or later

• RHEL 9: Kernel 5.14.0 or later (recommended)

uname -r

# Verify FC modules are available
modinfo lpfc
modinfo qla2xxx

# Core FC and multipath tools
sudo dnf install -y \
    device-mapper-multipath \
    lvm2 \
    sg3_utils \
    sysfsutils

# Performance monitoring tools
sudo dnf install -y \
    sysstat \
    iotop \
    htop

# Optional: Tuned for performance profiles
sudo dnf install -y tuned tuned-utils

# Check multipath
multipath -ll

# Check services
systemctl status multipathd