petal t Frangipani faeries - University of...

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petal t Frangipani faeries ye 96 cluster storage q s E'E Frangipani Frangipani ten z layer s Petal replication Translation virt disk off set S machine disk toffs'et 1 V DD K Global Map ID epoch y Got.io set sseruer d 3 Pm ap

Transcript of petal t Frangipani faeries - University of...

Page 1: petal t Frangipani faeries - University of Wisconsin–Madisonpages.cs.wisc.edu/~remzi/Classes/739/Fall2018/Etc/petal... · 2018. 12. 5. · petal t Frangipani faeries ye 96 cluster

petal t Frangipani faeriesye

96 cluster storage

q

s

E'EFrangipani

Frangipaniten

z layers

Petal replication

Translationvirt disk off set

S machine disk toffs'et

1 V DD K Global Map ID epoch

yGot.io set sseruer

d 3 Pm ap

Page 2: petal t Frangipani faeries - University of Wisconsin–Madisonpages.cs.wisc.edu/~remzi/Classes/739/Fall2018/Etc/petal... · 2018. 12. 5. · petal t Frangipani faeries ye 96 cluster

qqcGma t cop's Iffy

Snapshots useful feature

ReconfigurationLocal add disk to machine

easywrite to it Cuenreads migrate

e g local

Globat add machine

Global Map add server

o_0 He

y y s s

lot of work move almostall data

incremental processbasic installs new amore

writes use this

refined read missonnenguse old map

piecewise1 If I 1

Page 3: petal t Frangipani faeries - University of Wisconsin–Madisonpages.cs.wisc.edu/~remzi/Classes/739/Fall2018/Etc/petal... · 2018. 12. 5. · petal t Frangipani faeries ye 96 cluster

mark off part ofa ddr space

I f new

chained Declustening Emotiona

0 I 2 3 not config part

If 0µg IfI ofawg.gr spaee

I S 6

Replication Primary Backup

Tick lock readS Se either

writeslog

biffs

Frangipanicool

Shared disk

large sparse AddressSPIT