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Chapter 3: About Your RAID Controller
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19
Standard RAID Controller Features
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Flash ROM for updates to controller firmware, BIOS, and the
Adaptec RAID Configuration utility
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Disk drive hot-swapping
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Event logging and broadcasting including email and SNMP messages
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Multiple options for creating and managing RAID arrays—A full
software application (Adaptec Storage Manager), a BIOS-based
utility, a command line utility, and a DOS utility. See
for more information.
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(SATA RAID controllers only) Native command queuing (NCQ),
which lets disk drives arrange commands into the most efficient
order for optimum performance
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(SAS and SCSI RAID controllers only) Support for disk drive
enclosures with SAF-TE enclosure management hardware
Some RAID controllers support a battery backup module (see
Array-level Features
Note:
For more information, refer to the Adaptec Storage Manager
User’s Guide or online Help.
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Support for RAID 0, RAID 1, RAID 5, RAID 10, RAID 50
1
, simple
volumes, and spanned volumes
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Support for hot spares
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Support for automatic failover, so arrays are automatically rebuilt
when a failed disk drive is replaced (applies to redundant arrays in
SES- or SAF-TE-enabled disk drive enclosures only)
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Optimized disk drive usage, so that the full capacity of all disk drives
can be used, even if the disk drives vary in size
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Online expansion, so you can increase the capacity of an array
without recreating the array
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Support for array migration from one RAID level to another
1
The Adaptec 2420SA RAID controller does not support RAID 50.