RAID Flashcards
a disk subsystem that combines multiple physical disks into a single logical storage unit
RAID
RAID ___ provides fault tolerance
1 (mirroring)
RAID ___ provides the best performance
0 (stripping)
How many disk are required with RAID 0 (stripping)
2 disk
how many disk are required with RAID 1 (mirroring)
2 disk
the most expensive RAID fault tolerance system is
RAID 1 (mirroring)
this RAID combines disk striping across multiple disks with parity for data redundancy.
RAID 5
RAID 5 requires how many disk
3 disk minimum
This RAID level volumes stripes data across mirrored pairs and across multiple disks for data redundancy
RAID 1 + 0
RAID 1 + 0 requires how many disk
4 disk minimum
a special controller card that includes a RAID processor.
Hardware RAID
this RAID uses a driver and the system CPU for controlling RAID operations
Software RAID
uses RAID features within the operating system
Operating system RAID
Window 7 supports which RAID versions
RAID 0 and RAID 1
