Solaris Volume Manager (SVM; formerly known as Online: DiskSuite, and later Solstice DiskSuite) is a software package for creating, modifying and controlling
RAID
Raid, RAID or Raids may refer to:
Attack
* Raid (military), a sudden attack behind the enemy's lines without the intention of holding ground
* Corporate raid, a type of hostile takeover in business
* Panty raid, a prankish raid by male college ...
-0 (concatenation and stripe) volumes, RAID-1 (mirror) volumes, RAID 0+1 volumes, RAID 1+0 volumes, RAID-5 volumes, and soft partitions.
Version 1.0 of Online: DiskSuite was released as an add-on product for
SunOS in late 1991;
the product has undergone significant enhancements over the years. SVM has been included as a standard part of
Solaris since Solaris 8 was released in February 2000.
SVM is similar in functionality to later software
volume manager
In computer storage, logical volume management or LVM provides a method of allocating space on mass-storage devices that is more flexible than conventional partitioning schemes to store volumes. In particular, a volume manager can concatenate, ...
s such as
FreeBSD Vinum volume manager, allowing ''metadevices'' (virtual disks) to be concatenated, striped or mirrored together from physical ones. It also supports soft partitioning, dynamic
hot spare
A hot spare or warm spare or hot standby is used as a failover mechanism to provide reliability in system configurations. The hot spare is active and connected as part of a working system. When a key component fails, the hot spare is switched i ...
s, and growing metadevices. The mirrors support dirty region logging (DRL, called resync regions in DiskSuite) and logging support for RAID-5.
The
ZFS
ZFS (previously: Zettabyte File System) is a file system with volume management capabilities. It began as part of the Sun Microsystems Solaris operating system in 2001. Large parts of Solaris – including ZFS – were published under an ope ...
file system, added in the
Solaris 10
Solaris is a proprietary Unix operating system originally developed by Sun Microsystems. After the Sun acquisition by Oracle in 2010, it was renamed Oracle Solaris.
Solaris superseded the company's earlier SunOS in 1993, and became known for ...
6/06 release, has its own integrated volume management capabilities, but SVM continues to be included with Solaris for use with other file systems.
See also
*
Logical volume management
*
Sun Microsystems
References
External links
Solaris Volume Manager Administration Guide*
*
OpenSolaris Community
Solaris Volume Manager**
{{storage-software-stub
Sun Microsystems software
Storage software