After you download the IP quorum application, you must install the application on a host
that is located at the quorum site.
The following minimum requirements must be met on the hosts that are
used to run IP quorum applications:
- The
host must not depend on storage that is presented by the storage system. Doing so might result in a
deadlock situation where the nodes in the system need to detect the IP quorum application to process
I/O, but the IP quorum application needs to access storage on the system to answer.
- Supported operating systems:
- Red Hat Enterprise Linux 6.5, Red Hat Enterprise Linux 7
- SUSE Linux Enterprise Server 11 SP3, SUSE Linux Enterprise Server 12
- Microsoft Windows Server 2012
- Supported Java™ Runtime Environments: IBM®
Java 7.1, IBM
Java 8
If you change the configuration by adding an enclosure,
changing a service IP address, or changing SSL certificates, you must download and install the IP
quorum application again. To download and install the IP quorum application, complete the
following steps:
-
Click either Download IPv4 Application or
Download IPv6 Application to create the IP quorum Java application. The application is stored in the
dumps directory of the system with the file name
ip_quorum.jar.
- Transfer the IP quorum application from the system to a directory on the host that is to run the
IP quorum application.
- Use the ping command on the host to verify that it can
establish a connection with the service IP address of each node canister in the system.
- On the host, use the command java -jar ip_quorum.jar to initialize the IP
quorum application.
- To
verify that the IP quorum application is installed and active, select . The system automatically selects MDisks for quorum disks.
In a HyperSwap® configuration with IP quorum, the system automatically selects an MDisk from both sites. These MDisks store metadata that are used for system recovery.If you want to select specific MDisk to use as quorum disks, select MDisk
by Pools and right-click the MDisk and select .