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3-24
Configuring Your System
Optional RAID Controllers
Factory Installed Controllers
The RAID options available for your system are the dual channel Mylex
AcceleRAID
™
1
50 (SecuRAID 110) and Mylex AcceleRAID
™
250 (SecuRAID
210) Controller boards, which gives your system the added security of fault
tolerance.
If you order a system with a RAID controller, the system is pre-configured at
the factory. Refer to the “RAID Configurations” table below to determine how
the RAID controller was configured at the factory. If you want to reconfigure
disk arrays and logical drives, you must run the AcceleRAID
™
150 or
AcceleRAID
™
250 BIOS Configuration Utility; if you want to change the RAID
level, you must run the Mylex Disk Array Controller Utilities (DACCF)
software. Refer to the AcceleRAID
™
150 or AcceleRAID
™
250 documentation
included with your system for information on running the AcceleRAID
™
150 or
AcceleRAID
™
250 BIOS Configuration Utility and the DACCF utility.
!
CAUTION
Some server systems have network operating systems
preloaded at the factory. If a network operating system is
preloaded on your server system, then use of the DACCF
utility is not required. However, if you do use the DACCF
utility you may need to reload the network operating system.
Make sure that you have all the pertinent software to
perform the reload.
RAID Configurations
Number of
Hard Drives
RAID Level
Configured
Hard Drives in
Array
Description
1
JBOD
1
JBOD (RAID 0) JBOD is an acronym for Just a Bunch
Of Disks. Each drive can operate independently as
with a common host bus adapter; or multiple drives
may be spanned and seen as a single very large
drive. No redundancy is provided.
2
1
2
Mirroring (RAID 1) Drives are paired and mirrored. All
data is 100% duplicated on an equivalent drive (fully
redundant).
3
5
3
Striping with Parity (RAID 5) Data is striped across
several physical drives. Parity protection is used for
data redundancy.
4
5
3 plus 1 hot
spare drive
Striping with Parity (RAID 5) Data is striped across
three physical drives. Parity protection is used for
data redundancy. This drive is used as the “Hot
Spare.”
5 or more
—
—
The first four disks are as stated above. The
remaining disks are not part of the array, but are
ready to be configured.
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Страница 143: ...A System Cabling System Cabling Before You Begin Static Precautions Standard Configuration RAID Configuration ...
Страница 147: ...System Cabling A 5 Standard System Cable Routing A Wide SCSI cable 68 pins B IDE cable 40 pins ...
Страница 150: ...A 8 System Cabling RAID System Cable Routing A Wide SCSI cable 68 pins B IDE cable 40 pins AcceleRAID Jumper JP10 ...
Страница 151: ...B System Setup Utility System Setup Utility SSU Creating SSU Diskettes Running the SSU Exiting the SSU ...
Страница 166: ...B 16 System Setup Utility ...
Страница 186: ...C 20 Emergency Management Port Console ...
Страница 187: ...D System Status Hardware Support Information ...
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