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Chapter 2. System Requirements
This chapter outlines the minimum hardware and software requirements to install Red Hat Gluster Storage Web Administration.
Ensure that all requirements are met before installation starts. Missing requirements can result in Red Hat Gluster Storage Web Administration environment to not function as expected.
2.1. Requirements for Web Administration Server System
On the system to be designated as the Web Administration server, verify that these recommended hardware and software requirements are available.
2.1.1. Hardware Requirements
Recommended Requirements:
- 12 vCPUs
- 32 GB of available system RAM that is not being consumed by existing processes
- One Network Interface Card (NIC) with bandwidth of at least 1 Gbps
Additional Storage Devices
-
One separate storage disk to host the etcd data directory. Format the disk with the XFS or ext4 filesystem and mount it to the
/var/lib/etcddirectory. No other specific mount parameters are required. -
One separate storage disk to host the time-series data from Graphite, Carbon, and Whisper applications. Format the disk with the XFS or ext4 filesystem and mount it to the
/var/lib/carbondirectory. No other specific mount parameters are required.
For more information on how to prepare and mount the additional disks, see the Creating a Partition and Mounting a File System sections in the Red Hat Enterprise Linux Storage Administration Guide.
2.1.2. Software Requirements
Red Hat Gluster Storage Web Administration is supported on Red Hat Enterprise Linux 7.4 64-bit version.
| Software | Name and Version |
|---|---|
| Operating System | Red Hat Enterprise Linux 7.4 |
| Storage Provider | Red Hat Gluster Storage 3.3.1 or later |
2.2. Requirements for Red Hat Gluster Storage Nodes
Ensure the following requirements are met on the Red Hat Gluster Storage node:
Minimum hardware requirements.
NoteFor more information, see the knowledge base article on Red Hat Gluster Storage Hardware Compatibility.
- Network Time Protocol (NTP) setup
- Firewall access to ports
- Red Hat Gluster Storage Server
- Red Hat Enterprise Linux 7.4
For detailed information on prerequisites and setting up Red Hat Gluster Storage server, see the Red Hat Gluster Storage 3.3.1 Installation Guide.
2.3. Requirements for the Client System
The Red Hat Gluster Storage Web Administration environment can be accessed by a client machine with the following web browser compatibility.
| Software | Name and Version |
|---|---|
| Web Browser | Mozilla Firefox 38.7.0 or later |
| Web Browser | Google Chrome 46 or later |
2.4. Firewall Configuration
Red Hat Gluster Storage Web Administration uses the firewalld service, which you must configure to suit your environment.
The ports listed in this section are the default ports that must be accessible through your system’s firewall
Configure the firewall permanently to keep the configuration persistent and intact after a system reboot or firewall configuration reload.
To apply the changes immediately, reload the firewall configuration after executing the port opening commands described below:
firewall-cmd --reload
# firewall-cmd --reloadSSH port is needed by all the nodes. By default, it is opened on all the Red Hat Enterprise Linux nodes.
Ports to be enabled on the Web Administration Server
For Etcd:
firewall-cmd --permanent --zone=public --add-port=2379/tcp
# firewall-cmd --permanent --zone=public --add-port=2379/tcpFor Graphite:
firewall-cmd --permanent --zone=public --add-port=2003/tcp
# firewall-cmd --permanent --zone=public --add-port=2003/tcpFor Graphite Web:
firewall-cmd --permanent --zone=public --add-port=10080/tcp
# firewall-cmd --permanent --zone=public --add-port=10080/tcpFor tendrl HTTP:
firewall-cmd --permanent --zone=public --add-service=http
# firewall-cmd --permanent --zone=public --add-service=httpFor tendrl-api:
firewall-cmd --permanent --zone=public --add-port=9292/tcp
# firewall-cmd --permanent --zone=public --add-port=9292/tcpFor Grafana server:
firewall-cmd --permanent --zone=public --add-port=3000/tcp
# firewall-cmd --permanent --zone=public --add-port=3000/tcpFor tendrl-monitoring-integration:
firewall-cmd --permanent --zone=public --add-port=8789/tcp
# firewall-cmd --permanent --zone=public --add-port=8789/tcpPorts to be enabled on storage nodes
Enable all the ports needed for Red Hat Gluster Storage. For details, see the Port Information section in the Red Hat Gluster Storage Installation Guide.
In addition to enabling storage node ports, enable port for tendrl-gluster-integration:
firewall-cmd --permanent --zone=public --add-port=8697/tcp
# firewall-cmd --permanent --zone=public --add-port=8697/tcp
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