28456576
Description
Flashcards by Jessica Rizo, updated more than 1 year ago
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Created by Jessica Rizo
almost 4 years ago
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| Question | Answer |
| What is RAID? | Redundant Array of Independent/Inexpensive Disks |
| What is the difference between software and hardware RAID? | Software RAID is built into the OS and hardware RAID has a controller installed onto the MOBO for RAID |
| What does it mean when a device is hot swappable? | You can remove them when the system is still on without any damage occurring to the device and data is retained |
| What is RAID 0 (Striping)? | Stripes (splits) a file between multiple drives High performance, optimal disk space No redundancy Can cripple a network |
| What does redundant mean? | Multiple ways to access information if one source fails *something that has “high redundancy” means there’s many pathways |
| What is RAID 1 (Mirroring)? | The file is duplicated (mirrored) across multiple drives Doubles the amount of dive space High redundancy and 100% uptime |
| What is RAID 5 (Striping with Parity)? | The file is striped between drives One block however is a a parity block in each drive Data can then be reconstructed using the parity block Good use of disk space High redundancy with decent uptime Need at least 3 drives |
| What is RAID 10/ RAID 1+0 (Stripe of Mirrors)? | The files are striped across drives Then there would be a mirror of each block from each drive The mirror would also be striped Minimum of 4 drives |
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