Hardware requirements for installation
QoreStor can be installed in one of four modes: Large, Standard, Cloud Optimized, and Demo. Each installation mode has different minimum installation requirements, as described below. Refer to QoreStor installation modes for more information on the installation modes.
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NOTE: The table below lists the minimum hardware requirements for installation. Refer to "QoreStor Sizing Guidelines" in the QoreStor Interoperability Guide for information on sizing your QoreStor server. |
| Large Mode | Standard Mode | Cloud Optimized Mode | Demo Mode | |
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| CPU cores | 32 | 4 | 4 | 4 |
| RAM | 64 GB | 24 GB | 14 GB | 6 GB |
| Storage capacity |
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Minimum of 500GB free space on repository volume. |
Minimum of 500GB free space on repository volume. | Minimum of 50GB free space on repository volume. |
| Additional storage reqirements |
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When installing in Demo mode, QoreStor does not perform a pre-check for IOPS Maximum supported physical capacity is 100GB |
Networking requirements
The following network configurations need to be made in order to successfully install and run QoreStor.
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NOTE: If you install QoreStor with the -f option, or answer yes to the prompt regarding firewall changes, the QoreStor installer will ensure these ports are open. |
Port configuration
The ports below need to be available for the QoreStor service:
| Component/Function | Ports required |
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| UI |
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| OST / RDA When using RNFS or RCIFS, the ports for both RDA and NFS or RDA and CIFS, respectively, are required.1 |
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| NFS1 |
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| Replication |
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| CIFS1 |
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| NDMP |
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| RDA-NDMP |
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iSCSI |
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Secure ConnectIf Secure Connect is used for all RDA and OST clients, then only the Secure Connect port is needed for RDA and OST2 |
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Verify connectivity
The usage of the QoreStor repository requires stable TCP/IP connectivity between the backup application server and the QoreStor repository server.
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NOTE: The QoreStor repository and backup application server need to be on the same local network. |
Supported installation platforms
QoreStor is supported on the following platforms:
| Operating System | Bit level |
|---|---|
| CentOS Linux 7.3 - 7.6 | 64-bit |
| RHEL Linux 7.3 - 7.6 | 64-bit |
| Oracle Linux 7.5 - 7.6 | 64-bit |
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NOTE: CentOS or RHEL version 7.5 is recommended |
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NOTE: Only CentOS or RHEL versions using the following kernels are supported:
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IMPORTANT: Before upgrading the operating system on the QoreStor server, refer to "Upgrading the QoreStor Operating System" in the QoreStor Installation Guide. |