(computing) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
Used in a Sentence
failover
Definition, parts of speech, synonyms, and sentence examples for failover.
Editorial note
It would failover to the follower who became leader, but after the first failover, it would stall on connections.
Examples16
Definitions1
Parts of speech1
Quick take
(computing) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
Meaning at a glance
The clearest senses and uses of failover gathered in one view.
Definitions
Core meanings and parts of speech for failover.
noun
(computing) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
Example sentences
It would failover to the follower who became leader, but after the first failover, it would stall on connections.
Most of those systems operate on their own unless/until they hit something they can't handle and a human is standing by as failover.
With manual failover you would only have a few minute downtime if someone is there to trigger it.
Well, yes, because for one thing, Kubernetes (if done correctly) provides HA/failover that did not previously exist.
It will take similarly long for containers to have well tread paths for discovery, logging, failover, image building etc...
Edit: Manatee uses synchronous replication, not async, so it does not lose data on failover.
In the case of Microsoft rebooting/migrating an instance causing a failure, Keepalived will automatically failover.
So, unless you're saying it's OK to have deathbots as long as a human is on hand as failover if the deathbot gets confused, I think my point stands.
Aurora has a bunch of nice features WRT automatic failover, redundancy, and automatically scaling storage as you push more data into the DB.
Smaller DB setups rarely have the ops/DBA support required to do manual failover.
This is why armies around the world all do 'live fire' exeercise and so on, and why companies run BAU or DR failover tests.
In regards to your VoIP service: Erlang/OTP provides battle-hardened monitoring, failover, exception handling, and the like.
Quote examples
I haven't look at the code, but the failover should ensure that the HAproxy isolates the failed master ("fencing" in HA terminology).
Per Netflix's blog post about why they use AWS for serving everything except video content - "We could have chosen to build out new data centers, build our own redundancy and failover, data synchronization systems, etc.
Did it save them money because they didn't have to "build their own redundancy and failover" or did they have to build a bunch of custom tools like Chaos Monkey because "I knew to expect higher rates of individual instance failure in AWS, but I hadn’t thought through some of these sorts of implications."???
Proper noun examples
Failover IP config is a bit thin on the ground too...
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use failover in a sentence?
It would failover to the follower who became leader, but after the first failover, it would stall on connections.
What does failover mean?
(computing) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
What part of speech is failover?
failover is commonly used as noun.