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Disk mirroring

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What provides redundancy through a process called disk mirroring?

RAID level 1


Which RAID level morrors one hard drive with a second drive spo that the same data is written to both drives?

Such level of redundancy is called RAID 1 and nowadays is used mostly in consumer level computers.


What level of RAID will result in two sets of disks that contain the same information?

RAID 1, RAID 1 + 0, and RAID 5, 6.


Which RAID level stripes data across multiple drives to improve performance?

Every RAID level stripes data across multiple drives, which improves performance compared to using a single disk. RAID 0, RAID 1, RAID 1+0, RAID 5, RAID 6, etc. all have better performance than a single disk. Other than RAID 0, all other RAID levels provide fault tolerance. RAID 1, RAID 1+0, RAID 5, RAID 6, etc. all have fault tolerance.


To provide redundancy you want to implement raid by mirroring the data and use the least number of hard disks which raid level will you implement?

RAID 1


What raid level provides fault tolerance?

RAID 1 OR RAID 5 provide added performance as well as fault tolerance --- GAURAV TOMAR


Which raid level duplicates a partition on another physical disk providing two identical copies of data?

That would be RAID 1.


What level of RAID is the most fault tolerant?

RAID 1 is the most fault tolerant, as all drives have to fail to lose data.


Doe RAID 1 provides a high level of fault tolerance?

false


What raid level should be used if the criteria include the data be written and read simultaneously and that all data duplicated using minimum of three drives?

Raid level 5 supports reading and writing, but writing performance is slower than raid levels 0 and 1.Raid level 5 requires a minimum of 3 drives.


Disk mirroring involves creating a shadow copy of data on a backup disk and is RAID level?

Level 1


Which is faster raid 1 or raid 5?

raid 5