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QoreStor 7.3.0 - Interoperability Guide

Verify connectivity

The usage of the QoreStor repository requires stable TCP/IP connectivity between the backup application server and the QoreStor repository server.

Supported installation platforms

QoreStor is supported on the following platforms:

Table 7: Operating systems supported for installation
Operating System Bit level

AlmaLinux 8.4 - 8.9, 9.2-9.3


CentOS1 7.9


RHEL 7.9, 8.4 - 8.8, 9.2-9.3


Oracle2 Linux 7.9, 8.4 - 8.8, 9.2-9.3


Rocky Linux 8.4 - 8.8, 9.2-9.3


1 When installed as a minimal installation, CentOS is missing two required packages: bc, and bzip2. Install these packages before installing.

2 With Oracle Linux, the Red Hat Compatible Kernel (RHCK) must be used. The Oracle Unbreakable Enterprise Kernel is not supported.

NOTE: As of version 7.1.2, QoreStor deprecated support for CentOS, RHEL, and Oracle Linux versions older than 7.9, and RHEL and Oracle Linux version 8.0-8.3. if you currently use a deprecated 7.x version, for best performance and product support, Quest, upgrade to version 7.9. If you use a deprecated 8.x version of RHEL or Oracle Linux, Quest recommends upgrading to version 8.6. If you use an 8.x version of CentOS, Quest recommends migrating to a supported 8.x platform.

NOTE: QoreStor does not support CentOS Stream. Instead of using CentOS Stream, Quest recommends that you migrate from CentOS 8.x to AlmaLinux or Rocky Linux.

NOTE: Only CentOS, RHEL, or Oracle Linux1 versions using the following kernels are supported:

  • Linux version 7.x
    • 3.10.0-514
    • 3.10.0-693
    • 3.10.0-862
    • 3.10.0-957
    • 3.10.0-1062
    • 3.10.0-1127
    • 3.10.0-1160
  • Linux Version 8.x
    • 4.18.0-193
    • 4.18.0-240
    • 4.18.0-305
    • 4.18.0-348
    • 4.18.0-372
    • 4.18.0-425
    • 4.18.0-477
    • 4.18.0-513
  • Linux Version 9.x
    • 5.14.0-284
    • 5.14.0-362

IMPORTANT: The above operating systems should be installed in Minimal or Server mode (without GUI components). Using the Linux GUI will result in poor QoreStor performance.

Supported file systems

Only the file system listed below is supported for the QoreStor server.

  • XFS
  • VxFS (DR migrated machine only)

Supported file system protocols

QoreStor supports the following file system protocols. The Rapid Data Access (RDA) protocols below provide a logical disk interface that can be used with network storage devices to store data and support data storage operation.

  • RDA with NetVault
  • RDA with vRanger
  • RDA with BridgeHead
  • OpenStorage Technology (OST)
  • Common Internet File System (CIFS)
  • Network File System (NFS)
  • Rapid CIFS (RCIFS)
  • Rapid NFS (RNFS)
  • VTL 1
    • iSCSI
    • NDMP
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