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26 | Chapter 4: Useful help
4.5
RAID Functions
RAID Definitions
In a RAID 0 system data are split up in blocks that get
written across all the drives in the array. By using multiple
disks (at least 2) at the same time, this offers superior I/O
performance. This performance can be enhanced further by
using multiple controllers, ideally one controller per disk.
Features and Benefits
• Drives: Minimum 2, and maximum is up to 6 or 8. Depending on the platform.
• Uses: Intended for non-critical data requiring high data throughput, or any environment
that does not require fault tolerance.
• Benefits: provides increased data throughput, especially for large files. No capacity loss
penalty for parity.
• Drawbacks: Does not deliver any fault tolerance. If any drive in the array fails, all data is
lost.
• Fault Tolerance: No.
• Total Capacity: (Minimal. HDD Capacity) x (Connected HDDs Amount)
Data are stored twice by writing them to both the data disk
(or set of data disks) and a mirror disk (or set of disks) . If
a disk fails, the controller uses either the data drive or the
mirror drive for data recovery and continues operation. You
need at least 2 disks for a RAID 1 array.
Features and Benefits
• Drives: Minimum 2, and maximum is 2.
• Uses: RAID 1 is ideal for small databases or any other application that requires fault
tolerance and minimal capacity.
• Benefits: Provides 100% data redundancy. Should one drive fail, the controller switches
to the other drive.
• Drawbacks: Requires 2 drives for the storage space of one drive. Performance is impaired
during drive rebuilds.
• Fault Tolerance: Yes.
Содержание A320MH 2.0
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Страница 37: ...1 5 A320MH 2 0 1 4 HDMI VGA AMD HD Audio VGA 1920 x 1200 60 HDMI 4096 x 2160 24 3840 x 2160 30 HDMI 1 4 HD...
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Страница 45: ...2 13 A320MH 2 0 2 6 1 2 JCMOS1 CMOS BIOS CMOS 1 2 1 2 CMOS CMOS 1 2 2 3 3 4 1 2 5 6 CMOS...
Страница 54: ...22 3 UEFI BIOS 3 3 1 DVD 2 3 BIOScreen BMP BIOS BIOS BIOS...
Страница 58: ...26 4 4 4 1 2 1 2 3 DIMM 1 CMOS 2 1 2 CMOS 1 2 SETUP...
Страница 59: ...4 27 A320MH 2 0 1 2 3 1 2 3 1 CMOS CMOS JCMOS1 2 3 4 4 RAID RAID Definitions RAID 0 2 2 6 8 x...
Страница 60: ...28 4 RAID 1 2 2 2 RAID 1 100 2 RAID 10 RAID 0 RAID 1 3 4 4 6 8 RAID RAID 1...
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Страница 81: ...3 UEFI 21 A320MH 2 0 5 Open 6 OK 7 DEL Save Exit Restore Defaults Save Changes and Reset Save...
Страница 82: ...22 3 UEFI 3 3 1 DVD 2 3 BIOScreen Utility BMP...
Страница 83: ...4 23 A320MH 2 0 4 4 1 DVD DVD A B C DVD DVD SETUP EXE http get adobe com reader...
Страница 86: ...26 4 4 4 1 LED 2 1 2 3 1 CMOS 2 1 2 CMOS 1 2...
Страница 87: ...4 27 A320MH 2 0 CPU CPU CPU CPU 1 CPU CPU 2 CPU 3 CPU CPU CPU 1 2 3 1 CMOS CMOS JCMOS1 2 3...
Страница 88: ...28 4 4 5 RAID RAID RAID 0 2 I O 2 6 8 HDD x HDD RAID 1 2 2 2 RAID 1 100 2 100...
Страница 89: ...4 29 A320MH 2 0 RAID 10 RAID 0 RAID 1 3 4 4 6 8 RAID RAID 1...
Страница 90: ...30 4...
Страница 91: ...FCC FCC 15 Class B BIOSTAR BIOSTAR BIOSTAR CE 2004 108 CE 2006 95 CE 1999 05 CE...
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Страница 103: ...13 A320MH 2 0 2 6 close open 1 2 JCMOS1 CMOS CMOS BIOS 1 2 2 3 CMOS CMOS 1 AC 2 2 3 3 5 4 1 2 5 AC 6 Del BIOS...
Страница 110: ...20 UEFI BIOS 7 DEL BIOS BIOS Save Exit Restore Defaults Save Changes and Reset BIOS BIOS BIOS Save...
Страница 111: ...UEFI BIOS 21 A320MH 2 0 3 3 1 Autorun 2 Software Installation 3 BIOScreen BMP Load Image Transform BIOS Update Bios BIOS...
Страница 112: ...22 4 1 DVD A Driver B Software C Manual DVD SETUP EXE Acrobat Reader manual http get adobe com reader Acrobat Reader...
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