jahnvikumar@Jahnvis$-$MacBook$-$Air raid$\_$simulation $\%$ python$3$ raid.py $--$help

Usage: raid.py $[$options$]$

Options:

$-$h$,--$help$$ show this help message and exit

$-$s SEED, $--$seed$=$SEED$$ the random seed

$-$D NUMDISKS, $--$numDisks$=$NUMDISKS

$$ number of disks in RAID

$-$C CHUNKSIZE, $--$chunkSize$=$CHUNKSIZE

$$ chunk size of the RAID

$-$n NUMREQUESTS, $--$numRequests$=$NUMREQUESTS

$$ number of requests to simulate

$-$S SIZE, $--$reqSize$=$SIZE

$$ size of requests

$-$W WORKLOAD, $--$workload$=$WORKLOAD

$$ either "rand" or "seq" workloads

$-$w WRITEFRAC, $--$writeFrac$=$WRITEFRAC

$$ write fraction $(100->$all writes, $0->$all reads$)$

$-$R RANGE, $--$randRange$=$RANGE

$$ range of requests $($when using "rand" workload$)$

$-$L LEVEL, $--$level$=$LEVEL

$$ RAID level $(0,1,4,5)$

$-5$ RAID$5$TYPE, $--$raid$5=$RAID$5$TYPE

$$ RAID$-5$ left$-$symmetric $"$LS$"$ or left$-$asym $"$LA$"$

$-$r$,--$reverse $$ instead of showing logical ops, show physical

$-$t$,--$timing$$ use timing mode, instead of mapping mode

$-$c$,--$compute $$ compute answers for me

jahnvikumar@Jahnvis$-$MacBook$-$Air raid$\_$simulation $\%$ python$3$ raid.py $-$D $4-$L $1-$n $100-$W rand $-$R $1000-$t

ARG blockSize $4096$

ARG seed $0$

ARG numDisks $4$

ARG chunkSize $4$k

ARG numRequests $100$

ARG reqSize $4$k

ARG workload rand

ARG writeFrac $0$

ARG randRange $1000$

ARG level $1$

ARG raid$5$ LS

ARG reverse False

ARG timing True

Estimate how long the workload should take to complete.

$-$ Roughly how many requests should each disk receive?

$-$ How many requests are random, how many sequential?

jahnvikumar@Jahnvis$-$MacBook$-$Air raid$\_$simulation $\%$