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-2
votes
1answer
50 views

Calculating wasted space [closed]

How would wasted space be calculated? Six equally sized data blocks, each containing 209 bytes, are to be recorded on to hard disk. Each sector on the hard disk has 512 bytes storage capacity. With ...
2
votes
1answer
175 views

SSTF disk scheduling algorithm? What if lowest seek times are equal in either direction?

Using the Shortest-Seek-Time-First (SSTF) disk scheduling algorithm (where we select a request with a minimum seek time from the current head position), what happens if the requests in both directions ...
2
votes
1answer
75 views

Processes and Segmentation

The following problem was on my final and in Gate 2006, but I don't understand how to solve it: Different methods of memory management have different overheads: ...
0
votes
1answer
30 views

calculating storage based upon on eps? [closed]

If an organization collects an average of 20,000 EPS over eight hours of an ongoing incident, that will require sorting and analysis of 576,000,000 data records. Using a 300 byte average size, that ...
2
votes
1answer
137 views

Calculate storage requirements for a data set

I have a simple problem. I can't seem to even find the right search terms to get me pointed in the direction I need to be heading. I'm writing a bunch of integers to disk. Lot's of them. Starting ...
5
votes
4answers
868 views

Is the 2nd parity bit in RAID 6 a simple calculation?

I'm trying to understand how the 2nd parity bit or byte is set in RAID 6. I'm reading a paper by H. Peter Anvin, and it goes into Galois field algebra, which is somewhat new to me. Anyway, a rep from ...
6
votes
0answers
42 views

Distributed Storage for Access and Preservation

My organization wants to maintain multiple copies of data in order to preserve access in the case of localized disasters as well as for the purpose of long term preservation. Are there accepted formal ...