# System Requirements for IBM Spectrum Scale (GPFS)

Verify that your environment meets the system requirements for IBM Spectrum Scale (GPFS).

Operating System | Operating System Version | Architecture
--- | --- | ---
AIX |  |
| AIX 7.2 64-bit | PowerPC
| AIX 7.1 64-bit | PowerPC
Linux | Red Hat Enterprise Linux/CentOS |
| Red Hat Enterprise Linux 9.0 | x86_64
| Red Hat Enterprise Linux 8.x | x86_64
| Red Hat Enterprise Linux/CentOS 7.x with glibc 2.17.x or a more recent version | x86 x64 PowerPC Compatible processors
| SuSE Linux (SLES) |
| SuSE Linux 15.4 | x86 x64 PowerPC Compatible processors
| SuSE Linux 12 (Initial Release/SP1/SP2/SP3/SP4/SP5) with glibc 2.19.x | x86 x64 PowerPC Compatible processors
| SuSE Linux 11 (Initial Release/SP1 and later SPs) with glibc 2.9.x and higher | x86 x64 PowerPC Compatible processors
| SuSE Linux 11(Initial Release/SP1/SP2/SP3/SP4) with glibc 2.11.x | x86 x64 PowerPC Compatible processors
| SuSE Linux 10 (Initial Release/SP1/SP2/SP3/SP4) with glibc 2.4.x | x86 x64 PowerPC Compatible processors

## Hard Drive

Component | Space required
--- | ---
Software | 1 GB
Tmp folder | 1024 MB
Job results folder | To calculate the disk space requirements for the job results directory, see Job Results Directory Disk Space Calculation.
Log folder (by default, /var/log) | 1024 MB

## Clustering

If clustering is supported by the operating system, you can install the software on a cluster. For information about supported cluster types, see Support for Cluster Configuration.

## Memory (RAM)

- 2 GB or more

- An additional 1.5 GB for every 500,000 folders in the backup data

## Net-Tools Package

On Red Hat Enterprise Linux/CentOS 7.1 computers, make sure to install the net-tools package.

## PowerPC Processor

Commvault supports both of the 64-bit PowerPC architectures: ppc64 (or "big endian") and ppc64le (or "little endian").

Note

For operating systems versions that support the PowerPC architecture, refer to the supported operating systems table above.

## Schedule Jobs Using a Client Computer's Time Zone

The client computer has to be in one of the standard time zones recognized by the CommServe server. Otherwise, the CommServe server is not updated with the client computer's time zone and the jobs scheduled using the client computer's time zone might not run.

## Miscellaneous

### Use Commvault Driver Modules on a Linux Computer with UEFI Secure Boot Option Enabled

If the UEFI Secure Boot option is enabled on the Linux computer, Commvault keys must be enrolled in the MOK (Machine Owner Key) list stored in the UEFI NVRAM so that the kernel recognizes the signature of the Commvault driver modules. See Use Commvault Driver Modules on a Linux Computer with UEFI Secure Boot Option Enabled.

### Supported Disks

Azure Ultra Disk Storage is supported.

### What Is Backed Up

Regular files and directories, including the following, are backed up:

- Files that have holes

- Raw device files

- Files that have advisory locks

- A maximum path level of 10 symbolic links pointing to each raw device

- Files that have names that contain non-ASCII characters, if the appropriate locales are set

- Shares that have Macintosh file system data

- Symbolic links that are browsed or manually added to the data contents

- Files that have a file path or a file name that contains more than 1023 characters

Note

By default, files that have a mandatory lock are not backed up. To back up these files, see Configuring Backups for Locked Files.

## DISCLAIMER

Certain third-party software and service releases (together, "Releases") may not be supported by Commvault. You are solely responsible for ensuring Commvault’s products and services are compatible with any such Releases.

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