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Selecting RAID for fault tolerance
Selecting RAID for fault tolerance
If your IT environment requires a high level of fault tolerance, select a RAID level that is optimized for fault tolerance.
This chart shows the relationship between the RAID level fault tolerance and the size of the storage array. The chart includes RAID 0, 5,
50, 10, 6, and 60. It also shows the percent reliability in increments between 1 and one billion and the storage array drive increments
between 0 and 96.
This chart assumes that two parity groups are used for RAID 50 and RAID 60.
This chart shows that:
RAID 10 is 30,000 times more reliable than RAID 0.
The fault tolerance of RAID 5, 50, 6, and 60 decreases as the array size increases.
Selecting RAID for fault tolerance
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Summary of Contents for MR Gen10 Plus
Page 10: ...Features Features 10 ...
Page 19: ...RAID technologies RAID technologies 19 ...
Page 26: ...Striping Striping 26 ...
Page 28: ...Mirroring Mirroring 28 ...
Page 32: ...Parity Parity 32 ...
Page 45: ...Spare drives Spare drives 45 ...
Page 50: ...Transformation Transformation 50 ...
Page 51: ...Array transformations Array transformations 51 ...
Page 54: ...Logical drive transformations Logical drive transformations 54 ...
Page 58: ...Drive technology Drive technology 58 ...
Page 66: ...Security Security 66 ...
Page 68: ...Simple A Simple erase writes a pattern to the logical drive in a single pass Simple 68 ...
Page 73: ...Reliability Reliability 73 ...
Page 76: ...Performance Performance 76 ...
Page 80: ...Cache Cache 80 ...
Page 98: ...Configuration Configuration 98 ...
Page 106: ...Configuration management Configuration management 106 ...
Page 117: ...Controller management Controller management 117 ...
Page 119: ...Advanced controller management Advanced controller management 119 ...
Page 137: ...Logical drive management Logical drive management 137 ...
Page 143: ...Drive management Drive management 143 ...
Page 155: ...Maintenance Maintenance 155 ...
Page 156: ...System maintenance tools System maintenance tools 156 ...
Page 160: ...Models Models 160 ...
Page 172: ...Support and other resources Support and other resources 172 ...