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The architectural limits are based on the capabilities of the Red Hat Enterprise Linux kernel and the physical hardware. Red Hat Enterprise Linux 6 limit is based on 46-bit physical memory addressing. Red Hat Enterprise Linux 5 limit is based on 40-bit physical memory addressing.
This guide provides instructions on how to effectively manage storage devices and file systems on Red Hat Enterprise Linux 7. It is intended for use by system administrators with basic to intermediate knowledge of Red Hat Enterprise Linux or Fedora.
Local storage implies that the storage devices are either installed on the system or directly attached to the system. With remote storage, devices are accessed over LAN, the internet, or using a Fibre channel network. The following high level Red Hat Enterprise Linux storage diagram describes the different storage options.
However, the current supported maximum size of a GFS2 file system is 100 TiB. Though we can create large file systems on GFS2, in Red Hat Enterprise Linux 5.4, the use of GFS2 as a single server file system (i.e. not in a clustered environment) is deprecated. For details, see https://access.redhat.com/articles/5892.
Disk space can be restricted by implementing disk quotas which alert a system administrator before a user consumes too much disk space or a partition becomes full. Disk quotas can be configured for individual users as well as user groups.
Abstract. This guide provides instructions on how to effectively manage storage devices and file systems on Red Hat Enterprise Linux 7.
Limiting storage space usage on ext4 with quotas. You have to enable disk quotas on your system before you can assign them. You can assign disk quotas per user, per group or per project. However, if there is a soft limit set, you can exceed these quotas for a configurable period of time, known as the grace period.
