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RAID 0
RAID 0 is a simply data stripe over several disks. - No data protection - Better performance - Requirements: At least 2 drives - Put several disks to one bigger one - If one disk fails, you lose all...
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RAID 1
RAID 1 – Mirroring without parity or striping. - Minimum disks: 2 - Data redundancy (mirror) - One disk may fail - Effective protection against physical disk failure
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RAID 5
A RAID 5 uses block-level striping with parity data distributed across all member disks. Requirements: At least 3 drives Fault Tolerance: (N – 1) Can tolerate loss of one drive Capacity: (Size of...
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RAID 6
A RAID 6 is another form of parity protection for disks. Called dual parity too. Requirements: 4 Disks Capacity: (Size of Smallest Drive) * (Number of Drives – 2) Read: Very good read performance...
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RAID1 replace broken HDD
If you see something like this on your monitor or in your logs, you should worry about your important data. And immediately change your HDD! 1 2 3 4 5 6 7 8 9 10 ata1.00: exception Emask 0x0 SAct 0x0...
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