For SVC it's better to use 2 IP quorum

IBM_2145:SVC:report>lsquorum
quorum_index status id  name           controller_id controller_name active object_type override site_id site_name
0            online 279 v7ksite1-vdisk1 17            v7ksite1-node1   no     mdisk       no       1       SITE1
1            online 250 v7ksite2-vdisk1 15            v7ksite2-node1   no     mdisk       no       2       SITE2
3            online                                                  yes    device      no            lnxquorum01/10.10.10.13
4            online                                                  no     device      no               lnxquorum02/10.10.10.11

IP quorum has to be reinstall at every upgrade

Settings =⇒ IP quorum =⇒ download IPv4

You will download a package called ip_quorum.jar

[root@lnxquorum01] # ps -ef | grep java
root      1351     1  0 Jan10 ?        01:36:11 java -jar ip_quorum.jar
root     18595 18466  0 12:07 pts/1    00:00:00 grep --color=auto java
[root@lnxquorum01] # systemctl | grep quorum
ip_quorum.service                          loaded active running   IBM IP quorum daemon

[root@lnxquorum01] # systemctl status ip_quorum.service
? ip_quorum.service - IBM IP quorum daemon
   Loaded: loaded (/etc/systemd/system/ip_quorum.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2021-01-10 08:03:09 CET; 3 weeks 6 days ago
 Main PID: 1351 (java)
   CGroup: /system.slice/ip_quorum.service
           +-1351 java -jar ip_quorum.jar

Feb 06 10:55:37 lnxquorum01.net.lu bash[1351]: *Connecting
Feb 06 10:55:37 lnxquorum01.net.lu bash[1351]: Connected to 10.10.10.123
Feb 06 11:26:46 lnxquorum01.net.lu bash[1351]: Closing socket
Feb 06 11:26:46 lnxquorum01.net.lu bash[1351]: Trying to open socket
Feb 06 12:04:02 lnxquorum01.net.lu bash[1351]: Handshaking
Feb 06 12:04:02 lnxquorum01.net.lu bash[1351]: Waiting for UID
Feb 06 12:04:02 lnxquorum01.net.lu bash[1351]: *Connecting
Feb 06 12:04:02 lnxquorum01.net.lu bash[1351]: Connected to 10.10.10.124
Feb 06 12:04:21 lnxquorum01.net.lu bash[1351]: Closing socket
Feb 06 12:04:21 lnxquorum01.net.lu bash[1351]: Trying to open socket
[root@lnxquorum01] # cat /etc/systemd/system/ip_quorum.service
[Unit]
Description=IBM IP quorum daemon
After=network.target

[Service]
WorkingDirectory=/opt/ibm/ip_quorum
ExecStart=/bin/bash -c "java -jar ip_quorum.jar"
KillMode=process
User=root
Type=simple

[Install]
WantedBy=multi-user.target

As soon as you start the service, the new IP quorum will automaticaly register into SVC

IBM_2145:SVC:report>lsquorum
quorum_index status id  name           controller_id controller_name active object_type override site_id site_name
0            online 279 v7ksite1-vdisk1 17            v7ksite1-node1   no     mdisk       no       1       SITE1
1            online 250 v7ksite2-vdisk1 15            v7ksite2-node1   no     mdisk       no       2       SITE2
3            online                                                  yes    device      no            lnxquorum01/10.10.10.13
4            online                                                  no     device      no               lnxquorum02/10.10.10.11

[root@lnxquorum01] /opt/ibm/ip_quorum # ll
total 83856
-rwxr-xr-x. 1 root  root       446 Feb 24  2020 ipqtest
-rw-r--r--. 1 root  root      4259 Feb 24  2020 ipqtest.log
-rw-r-----. 1 root  root       165 Feb 24  2020 ipqtest.log.1.gz
-rw-r-----. 1 root  root     39456 Feb 24  2020 ipqtest.log.2.gz
-rw-r--r--. 1 root  root       153 Feb 24  2020 ipqtest.logrotate
-rw-r-----. 1 root  root       215 Feb 24  2020 ipqtest.service
-rw-r-----. 1 root  root     73476 Mar  3  2020 ip_quorum.jar
-rw-r--r--. 1 root  root   3819584 Feb  6 12:09 ip_quorum.log.0
-rw-r--r--. 1 root  root         0 Jan 10 08:03 ip_quorum.log.0.lck
-rw-r--r--. 1 root  root   5242896 Feb  6 10:34 ip_quorum.log.1
-rw-r-----. 1 root  root       234 Jun 20  2019 ip_quorum.service
-rw-r-----. 1 root  root   3987456 Feb  6 06:08 svc.config.backup.xml
-rw-r-----. 1 root  root 125829120 Feb  6 12:09 t3_recovery.bin

[root@lnxquorum01] /opt/ibm/ip_quorum # cat quorum_test.sh
#!/bin/bash
#

/opt/ibm/ip_quorum/ipqtest >> /opt/ibm/ip_quorum/ipqtest.log

[root@lnxquorum01] /opt/ibm/ip_quorum # cat /opt/ibm/ip_quorum/ipqtest.log
Mon Feb 24 14:52:28 CET 2020
Child processes: 27667 27673 27674 27675 27676
PING 10.10.10.123 (10.10.10.123) 56(84) bytes of data.
64 bytes from 10.10.10.123: icmp_seq=1 ttl=59 time=1.52 ms
PING 10.10.10.124 (10.10.10.124) 56(84) bytes of data.
64 bytes from 10.10.10.124: icmp_seq=1 ttl=59 time=1.53 ms
...
Mon Feb 24 14:52:38 CET 2020

V7000 / SVC notification error

# Error ID = 9201 : The quorum application is out of date and needs to be redeployed 
# Error Code = 3123 : The quorum application needs to be redeployed 
# Error Type = none # System Version = 8.2.1.10 (build 147.19.2003130616000)