hot standby


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms.
Related to hot standby: Hot Standby Router Protocol

hot standby

A hardware device that is connected to the computer or computer complex and remains powered on. It is ready to take over immediately if the primary unit fails. A hot standby may refer to a complete computer system; for example, a standby server, or a component in a computer such as a power supply or hard disk. See fault tolerant.
References in periodicals archive ?
Hot standby is another expensive option that is usually outsourced to a specialist supplier.
0 and ability to query a hot standby have been the most requested PostgreSQL features for many years," said Simon Riggs, CTO of 2ndQuadrant and lead contributor to hot standby.
Complete system redundancy is accomplished through an active hot standby.
UUNet Resilience uses Cisco Systems Inc Hot Standby Router Protocol (HSRP), to provide leased line customers with guaranteed continuity of their internet connection.
2, Solid: -- enhanced self-managing features, making it easier to detect and modify server behavior at run time -- added new hot standby option, offering an improvement in speed of over ten times compared with the highest reliability option -- enhanced performance by reducing Solid's consumption of bandwidth, reducing transaction times, and enhancing application throughput About Solid Autonomic Data Management Platform(TM)
The fail-over is automatic with BGP or one of the hot standby protocols (HSRP and VRRP), so this redundancy comes at very little cost.