RAID 1 is a Redundant Array of Inexpensive Disks (RAID) that is in a mirrored set. Mirroring provides redundancy, so if one drive fails, it can be accessed on the other drive. If your organization experiences RAID 1 failure, a professional may still be able to recover that information.
Understanding RAID 1
RAID 1 volume requires at least two hard drives. When data are written to one drive, the exact information is also written to the second drive at the same time. In the event of drive failure, the healthy hard drive can function alone without losing information while the other is replaced. This provides data redundancy.
RAID 1 drives provide fast read and write speeds. It is simple technology, and if a drive fails, it just needs to be copied. Since the exact information is duplicated in two places, drives can’t store as much data. For example, if a system uses two one-terabyte drives, only a single terabyte is available for storage because the system must store two copies of the same material.
Another disadvantage of RAID 1 volume happens when disks receive damaged or corrupted data. That data isn’t just stored in one location because it is written to the duplicate drive. RAID 1 solutions often require systems be powered down during drive replacement, which can impact productivity. Systems may require a hardware controller to enable hot swapping.
Business owners and individuals assume they are protected against data loss when they have duplicate data sets, but that is incorrect. If users delete files in one location, the array simultaneously deletes them from the second. If one file becomes infected, the infection transfers to the other, as well. RAID systems can promote up time, but they do not remove the need for regular data backup.
When RAID 1 Fails
Daily wear-and-tear, poor ventilation that causes high temperatures, impact and accidental spills might cause drive failure. Sometimes a manufacturer defect, logical failure or virus damages systems. When one drive fails, many times the information can quickly be recovered through a high-level reformat. Recovery software is available, but it is not a safe approach. It could implement processes that cause surfaces of the original disk to be rendered useless. Safe recovery involves creating block-level reproductions of each hard drive sector, then using that to reconstruct the original volume.
What if Both Drives Fail?
Electrical surges, natural disasters or other catastrophes can cause both drives to fail at once. Much of the time, if the drives were creating mirrored volume at the time of the failure, experts can still extract it, since there are two sets of the same information.
Contact RAID 1 Data Recovery Experts
Flashback Data specializes in data recovery from all forms of damaged media, including RAID data recovery services. We provide the most advanced solutions in the industry from a Class 10 clean room environment. We’ll remove your valuable data and return them to you on whatever form of media you choose. Contact our experts for a free data recovery quote today.