NetApp configures NetApp controllers to synchronize with Linux NTP servers

Linux NTP server-side configuration:

1) Setting the/etc/ntp.conf configuration file

[Email protected] etc]# vi/etc/ntp.conf

# For more information on this file, see the "the Man pages"
# ntp.conf (5), NTP_ACC (5), Ntp_auth (5), Ntp_clock (5), Ntp_misc (5), Ntp_mon (5).

Driftfile/var/lib/ntp/drift

# Permit time synchronization with We time source, but does not
# permit the source to a query or modify the service on this system.
Restrict default Kod nomodify notrap nopeer noquery
restrict-6 default Kod nomodify notrap nopeer noquery

# Permit All access over the loopback interface. This could
# is tightened as well, but to does so would effect some of
# the administrative functions.
Restrict 127.0.0.1
Restrict-6:: 1

# Hosts on local network is less restricted.
Restrict 192.168.10.0 mask 255.255.255.0 nomodify notrap

# Use public servers from the Pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
#server 0.rhel.pool.ntp.org
#server 1.rhel.pool.ntp.org
#server 2.rhel.pool.ntp.org

#broadcast 192.168.1.255 AutoKey # Broadcast Server
#broadcastclient # Broadcast Client
#broadcast 224.0.1.1 AutoKey # Multicast Server
"/etc/ntp.conf" 57L, 1917C
# For more information on this file, see the "the Man pages"
# ntp.conf (5), NTP_ACC (5), Ntp_auth (5), Ntp_clock (5), Ntp_misc (5), Ntp_mon (5).

Driftfile/var/lib/ntp/drift

# Permit time synchronization with We time source, but does not
# permit the source to a query or modify the service on this system.
Restrict default Kod nomodify notrap nopeer noquery
restrict-6 default Kod nomodify notrap nopeer noquery

# Permit All access over the loopback interface. This could
# is tightened as well, but to does so would effect some of
# the administrative functions.
Restrict 127.0.0.1
Restrict-6:: 1

# Hosts on local network is less restricted.
Restrict 192.168.10.0 mask 255.255.255.0 nomodify notrap

# Use public servers from the Pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
#server 0.rhel.pool.ntp.org
#server 1.rhel.pool.ntp.org
#server 2.rhel.pool.ntp.org

#broadcast 192.168.1.255 AutoKey # Broadcast Server
#broadcastclient # Broadcast Client
#broadcast 224.0.1.1 AutoKey # Multicast Server
#multicastclient 224.0.1.1 # Multicast Client
#manycastserver 239.255.254.254 # Manycast Server
#manycastclient 239.255.254.254 AutoKey # manycast Client

# undisciplined Local Clock. This was a fake driver intended for backup
# and when no outside source of synchronized time is available.
Server 127.127.1.0 # Local clock
Fudge 127.127.1.0 Stratum 0

# Enable Public Key cryptography.
#crypto

2) NETAPP 7mode Controller options Configuration

3) Related NTP status query in Autosupport

A) Ntpdc_peer.txt file contents

b) ntpdc_sysinfo.txt file contents

c) ntpdc_kerninfo.txt file contents

NetApp configures NetApp controllers to synchronize with Linux NTP servers