Disk Scheduling
FCFS, SSTF, SCAN and why the arm moves the way it does.
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One process starving the others
Foundation
- Not triedOne process starving the othersFoundation
- Not triedScheduling for an SSDFoundation
- Not triedSequential against randomFoundation
- Not triedThe request that never runsFoundation
- Not triedWhere the time actually goesFoundation
- Not triedAverage rotational latencyCore
- Not triedDisk scheduling on a drive with no armCore
- Not triedFCFS head movementCore
- Not triedLOOK against SCANCore
- Not triedShortest seek time firstCore
- Not triedThe write that returned before it was writtenCore
- Not triedWhy a deeper queue helpsCore
- Not triedSCAN against LOOKpart of The backup that misses its windowChallenge
- Not triedSCAN, the elevatorChallenge
- Not triedServicing the queue in batchesChallenge
- Not triedStriping across disksChallenge
- Not triedThe risk in SSTFpart of The backup that misses its windowChallenge
- Not triedTime for one random readChallenge
- Not triedWhere FCFS losespart of The backup that misses its windowChallenge
- Not triedWhy anyone would pick C-SCANpart of The backup that misses its windowChallenge
- Not triedWhy C-SCAN returns emptyChallenge