Veritas Cluster File System
Encyclopedia
The Veritas Cluster File System, (or VxCFS), is a cache coherent
POSIX compliant shared file system built based upon VERITAS File System
. It is distributed with a built-in Cluster Volume Manager (VxCVM) and components of other VERITAS Storage Foundation products - particularly VERITAS Cluster Server
, VERITAS File System, and VERITAS Volume Manager
. It uses the underlying mechanisms of VERITAS Cluster Server to manage membership and changes in cluster state.
The shared file system is available on most major commercial UNIX distributions, specifically AIX, Solaris
, Linux
, and HP-UX
. The current version of the product is version 5.0.
.
Cache coherency
In computing, cache coherence refers to the consistency of data stored in local caches of a shared resource.When clients in a system maintain caches of a common memory resource, problems may arise with inconsistent data. This is particularly true of CPUs in a multiprocessing system...
POSIX compliant shared file system built based upon VERITAS File System
VERITAS File System
The VERITAS File System, , is an extent-based file system. It was originally developed by VERITAS Software. Through an OEM agreement, VxFS is used as the primary filesystem of the HP-UX operating system...
. It is distributed with a built-in Cluster Volume Manager (VxCVM) and components of other VERITAS Storage Foundation products - particularly VERITAS Cluster Server
Veritas Cluster Server
Veritas Cluster Server is a High-availability cluster software, for Unix, Linux and Microsoft Windows computer systems, created by Veritas Software...
, VERITAS File System, and VERITAS Volume Manager
Veritas Volume Manager
The Veritas Volume Manager, VVM or VxVM is a proprietary logical volume manager from Veritas . It is available for Windows, AIX, Solaris, Linux, and HP-UX. A modified version is bundled with HP-UX as its built-in volume manager...
. It uses the underlying mechanisms of VERITAS Cluster Server to manage membership and changes in cluster state.
The shared file system is available on most major commercial UNIX distributions, specifically AIX, Solaris
Solaris Operating System
Solaris is a Unix operating system originally developed by Sun Microsystems. It superseded their earlier SunOS in 1993. Oracle Solaris, as it is now known, has been owned by Oracle Corporation since Oracle's acquisition of Sun in January 2010....
, Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...
, and HP-UX
HP-UX
HP-UX is Hewlett-Packard's proprietary implementation of the Unix operating system, based on UNIX System V and first released in 1984...
. The current version of the product is version 5.0.
Mode of clustering
Because of the need to maintain cluster awareness to prevent any data corruption or discrepancies in cache, the clusters are tightly coupled and communicate over EthernetEthernet
Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....
.
See also
- Veritas File SystemVERITAS File SystemThe VERITAS File System, , is an extent-based file system. It was originally developed by VERITAS Software. Through an OEM agreement, VxFS is used as the primary filesystem of the HP-UX operating system...
- Veritas Volume ManagerVeritas Volume ManagerThe Veritas Volume Manager, VVM or VxVM is a proprietary logical volume manager from Veritas . It is available for Windows, AIX, Solaris, Linux, and HP-UX. A modified version is bundled with HP-UX as its built-in volume manager...
- Veritas Cluster ServerVeritas Cluster ServerVeritas Cluster Server is a High-availability cluster software, for Unix, Linux and Microsoft Windows computer systems, created by Veritas Software...
- Symantec Operations Readiness Tools (SORT)