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Chapter 9: Technology Background
RAID 30
– Striping of Dedicated Parity
RAID 30 combines both RAID 3 and RAID 0 features. Data is striped across
physical drives as in RAID 0, and it uses dedicated parity as in RAID 3. RAID 30
provides data reliability, good large file read, and high transfer rate performance.
Figure 7. RAID 30 is a combination of RAID 3 and RAID 0
Dedicated Parity
Axle 1
Data
Stripes
Axle 2
Disk Drives
The data capacity RAID 30 logical drive equals the capacity of the smallest
physical drive times the number of physical drives, minus two.
RAID 30 also provides very high reliability because data is still available even if
multiple physical drives fail (one in each axle). The greater the number of axles,
the greater the number of physical drives that can fail without the RAID 30 logical
drive going offline.
Component
Minimum
Maximum
Number of Axles
2
16
Physical Drives per Axle
3
32
Physical Drives per Logical Drive
6
256
See ―RAID 30 and 50 Axles‖ on page 329.
Содержание DS300f
Страница 1: ...ASUS Storage DS300f DS300i User Manual Version 1 0 ...
Страница 10: ...x Language 178 Closing Smart NAS Console 178 ...
Страница 27: ...8 Chapter 1 Introduction to ASUS Storage ...
Страница 57: ...3 8 Chapter 2 ASUS Storage Installation ...
Страница 73: ...54 Chapter 3 ASUS Storage Setup ...
Страница 164: ...14 5 Chapter 4 Management with ASUS Storage Management ...
Страница 221: ...202 Chapter 5 SmartNAVI ...
Страница 235: ...216 Chapter 6 Management with the CLU Figure 4 Controller Status LED Controller Status ...
Страница 337: ...318 Chapter 8 Maintenance ...
Страница 425: ...406 Chapter 11 Support ...
Страница 433: ...414 Appendix A Setting up NAS Network Drives ...
Страница 449: ...430 Index ...