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Homework 9 What did RAID originally stand for


Answer the following questions; you’ll need to research the information online, if you don’t know it.
This assignment asks you about several server and related monitoring and management technologies. It
isn’t particularly challenging, since Homework 7 is also still in play.
Questions
1. What did RAID originally stand for, before it became “Redundant Array of Independent Disks?”
(2 points)
2. How many drives are required, at a minimum, for each of these RAID levels (1 point for each
correct answer):
a. RAID Level 0
b. RAID Level 1
c. RAID Level 4
d. RAID Level 5
e. RAID Level 6
f. RAID LEVEL 1+0 (aka 10)
3. What types of information are stored in these log files on a typical Linux system (3 points each):
a. /var/log/secure
b. /var/log/yum.log
c. /var/log/messages
4. What backup plan do you have for your files? Describe your file restoration plan in the event
that your laptop goes missing. (10 points, full credit given for a few thoughtful and/or guiltridden on-topic paragraphs)
5. Here’s a few questions about Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T. or
SMART).
a. Describe some of the limitations of SMART. (5 points)
b. Answer True or False for each of these sentences about SMART, generally speaking: (2
points for each statement correctly indicated as true or false):
i. If SMART says a drive is going bad, then it’s going bad.
ii. If SMART says a drive is going bad, that it could still be OK.
iii. If SMART says a drive is OK, then it must be OK.
iv. If SMART says a drive is OK, then it could still be going bad.

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