What happens if a disk fails in RAID 10?
When a single disk in a RAID 10 disk array fails, the disk array status changes to Degraded. The disk array remains functional because the data on the Failed disk is also stored on the other member of its mirrored pair. When ever a disk fails, replace it as soon as possible.
How many disk can fail in RAID 10?
A standard four-disk RAID 10 setup can only withstand one drive failure in each mirrored pair of disk drives. Otherwise, total data loss occurs. And as with the standard two-disk RAID 1 configuration, total storage capacity of RAID 10 is halved.
Does RAID 10 have fault tolerance?
RAID 10 fault tolerance is more. On RAID 10, since there are many groups (as the individual group is only two disks), even if three disks fails (one in each group), the RAID 10 is still functional. In the above RAID 10 example, even if Disk 1, Disk 3, Disk 5 fails, the RAID 10 will still be functional.
What happens when a RAID drive fails?
If the RAID controller fails, the drives in the array are often unaltered, but your data can become inaccessible. Partition loss can occur when a partition of the RAID is accidentally deleted.
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