What does disk mirroring mean?
Definitions for disk mirroring
disk mir·ror·ing
This dictionary definitions page includes all the possible meanings, example usage and translations of the word disk mirroring.
Wikipedia
Disk mirroring
In data storage, disk mirroring is the replication of logical disk volumes onto separate physical hard disks in real time to ensure continuous availability. It is most commonly used in RAID 1. A mirrored volume is a complete logical representation of separate volume copies. In a disaster recovery context, mirroring data over long distance is referred to as storage replication. Depending on the technologies used, replication can be performed synchronously, asynchronously, semi-synchronously, or point-in-time. Replication is enabled via microcode on the disk array controller or via server software. It is typically a proprietary solution, not compatible between various data storage device vendors. Mirroring is typically only synchronous. Synchronous writing typically achieves a recovery point objective (RPO) of zero lost data. Asynchronous replication can achieve an RPO of just a few seconds while the remaining methodologies provide an RPO of a few minutes to perhaps several hours. Disk mirroring differs from file shadowing that operates on the file level, and disk snapshots where data images are never re-synced with their origins.
Numerology
Chaldean Numerology
The numerical value of disk mirroring in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of disk mirroring in Pythagorean Numerology is: 2
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"disk mirroring." Definitions.net. STANDS4 LLC, 2024. Web. 6 Jun 2024. <https://www.definitions.net/definition/disk+mirroring>.
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