NetApp Insight 2015 ID 2331-2

7/25/2019 NetApp Insight 2015 ID 2331-2

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Session: 2331

Storage Subsystem Tech FAQ

Deep Dive

James Wright

TM Storage !ro"uct Management


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The in#ormation in this presentation is con#i"entia$ an" proprietary to %etApp an" may not be "isc

&ithout the &ritten permission o# %etApp'

The in#ormation is inten"e" to out$ine our genera$ pro"uct "irection' (t is inten"e" #or in#ormation p

on$y) an" may not be incorporate" into any contract' (t is not a commitment to "e$iver any materiaor #unctiona$ity) an" shou$" not be re$ie" upon in ma*ing purchasing "ecisions' %etApp ma*es no

e+presse" or imp$ie") on #uture #unctiona$ity an" time$ine' The "eve$opment) re$ease) an" timing o

#eatures or #unctiona$ity "escribe" #or %etApp,s pro"ucts remains at the so$e "iscretion o# %etApp

strategy an" possib$e #uture "eve$opments) pro"ucts an" or p$at#orms "irections an" #unctiona$ity

sub.ect to change &ithout notice' %etApp has no ob$igation to pursue any course o# business out$

this "ocument or any re$ate" presentation) or to "eve$op or re$ease any #unctiona$ity mentione" th

Confidentiality Notice

2 (nsight / 201 %etApp) (nc' A$$ rights reserve"' %etApp on#i"entia$ 4imite" 5se 6n$y


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The %etApp Data Fabric cosystem

/ 201 %etApp) (nc' A$$ rights reserve"' %etApp !roprietary (nterna$ 5se 6n$y3

78F7Series

Storage9(DWebsca$e

F$e+Arrayan" F4(

6nomman"Management Suite

FAS ; AFF

%on7%etApp StorageM)


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1' Storage Subsystem Te

6rigins

2' ?est !ractice =s' Suppon#igurations@

3' ai" 4ayout) Does ?a$

' Stac* Transitions)


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6rigins

Subsystem Storage Technica$ FAQ



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6rigins



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Webster,s "e#ines ?est !ractice as:

GA proce"ure sho&n by research an" e+perience to pro"uce optima$ resu$testab$ishe" or propose" as a stan"ar" suitab$e #or &i"esprea" a"option'H

?est !ractice ecommen"ation



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%etApp $everages a best7practice approach in the "esign o# "e#au$t con#igu

so$utions

Architecte" &ith these #actors in min" 6ptimiIe" #or per#ormance

(ncrease" resi$ience an" uptime

So$utions &e$$ "esigne" an" teste") va$i"ate" by myria" o# metho"s

Simp$icity) ease o# use ba*e" in

?est !ractice ecommen"ation



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A so$ution in &hich the arrange" components have been va$i"ate" by engi

support to interoperate #unctiona$$y) though not necessari$y at optimum perresi$ience

6r as Webster,s states #or GsupportHGTo *eep something goingH (t,s a so$ution &hose purpose is to .ust &or*) nothing more

Supporte" on#iguration


De#inition


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Solution features Best-practice recoendation Supported

!er#ormance base" es !a

esi$ient es !a

9o$" stan"ar" es

Functiona$$y teste" to &or* es !a

Siple to deploy es "a

?est !ractice ecommen"ation =ersus Supporte" on#



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4everage ?est7!ractice recommen"ations &hen avai$ab$e through use o#

?est7in7bree" per#ormance

Supporte" con#igurations &i$$ yie$" resu$ts but) again) not optimiIe"

?est !ractice =ersus Supporte" on#igurationWhat Do

Mean@



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What (s 9 ?a$ance an" Does (t ea$$y Matter@

A(D 4ayout



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A(D group 9KArrangement o# &ho$e or partitione" SSD or Drive or partition &hich ho$"s user "ata

!arity !K>Drive or partition &hich is $everage" to reconstruct user "ata in

"is* #ai$ure in a 9

Spare SKep$acement "rive or partition avai$ab$e in the event o# "is* #ai$u

in#ormation trans#erre" to this "rive "uring reconstruction

ai" 4ayout6vervie&



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A(D Data protection scheme &ith a sing$e parity "rive in a 9

A(D D! D!K>Data protection scheme &ith t&o parity "rives in 9 eCuiv

ai" 4ayout6vervie& ontinue"



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A(D group $ayoutDistribution o# 9 in an aggregate ?a$ance"Distribute" approach) &here con#igurations are provisione" &ith eCua$$y or ne

spin"$e count 9s &ithin an aggregate

(mba$ance"Distribute" approach) &here con#igurations are provisione" &ith 9s that a

spin"$e count &ithin an aggregate

A(D 4ayout ?a$anceWhat (s (t@



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6ne approach is to have a ba$ance" $ayout as sho&n be$o&

%ote: Best-practice recoendation #or SAS"rives &ou$" "ep$oy a ba$ance" $ayout &ith"e#au$t 9 siIe) instea" o# K 9s o# B to ma+imiIe the &rite throughput &ith a""itiona$ "rthe parity ta+ as you," have "rives #or parity &ith the $arger 9 instea" o# B #or the sma$$e

A(D ?a$anceWhat (s (t@


#!!re!ate


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An imba$ance" $ayout is sho&n be$o&

%ote: %etAppData 6%TA! is resi$ient enough to serve "ata &e$$ in a imba$ance" 9 $ayosuggest $imiting the "i##erence in "rive count to ha$# the siIe o# the other 9s) i# possib$e' Thnumber o# 9s in the aggregate) the sma$$er the impact &i$$ be in per#ormance'

A(D ?a$anceWhat (s (t@


#!!re!ate


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De#au$t an" Ma+imum

5se De#au$ts as ?est !ractice

A(D De#au$t 9 siIe


$ata %N"' Default & Maximum RAID GroupSize by Drive Type

$ri(e &ype A(D Type

De#au$t A(D 9roup

SiIe)a*iu +#,$

roup Si.e

SS$ A(D7D! "e#au$tK 23 212K 28 /262

A(D B N1K 14 /131

S#SC A(D7D! "e#au$tK 1L 12K 28 /262A(D B N1K 14 /131

S#N-S#S A(D7D! "e#au$tK 1 122K 20 /182

A(D N L1K 7 /61

6&B N-S#S)S# A(D7D! "e#au$tK 1122K 14 /122

+#,$ 4 7 /61 7 /61


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hoose ba$ance" $ayout &here possib$e) using "e#au$t 9 siIes !er#ormance optimiIe" &hen ta*ing this ?est !ractice approach

(mba$ance" $ayout #unctions su##icient$y &e$$) ho&ever one shou$" mainta

at $east ha$# the siIe o# the other member 9s to avoi" per#ormance issues

A(D 4ayoutWhat Does (t Mean@



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What (s (t an"


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SASSeria$7attache" SS() metho" that %etApp storage $everages to tran

SAS


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(6M (86 Mo"u$eK omponent in rear o# she$# that is cab$e" to a ontro$$er

other she$ves in the stac* enab$es she$# communication' (6M34egacy) 39b8s SAS storage techno$ogy

(6ML urrent) L9b8s SAS storage techno$ogy

Stac*A group o# SAS she$ves attache" via copper cab$e or optica$ &iring

SAS


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SAS Storage 4in* !rocess 7 continue

ontro$$er


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Sing$e Transition +amp$e: FASB0B0: she$# P1 DS23(6M3K she$# P2 D

Stac* Transition What is it@@@


'


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T&o Transition +amp$e: FASB0B0: she$# P1 DS22L (6MLK she$# P2 DS

she$# P3 DS22L (6MLK



1' ontro$$er


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7 (nterna$ She$# ontro$$er +amp$e FAS22: she$# P0 interna$ DS22L (6

DS23 (6M3Kshe$# P2 DS22L (6MLK: t&o transitions



1' ontro$$er


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?est7practice recommen"ation(s an" has been to have no more than a si

#rom (6M3(6ML in a stac* nsures optima$ per#ormance in a storage stac*

!rovi"es the best resi$iency possib$e in mi+e" (6M3 an" (6ML scenarios

Stac* TransitionWhy@



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!o$icy shi#t in current environments

Mu$tip$e (6M3(6ML transition con#igurations no& a supporte" con#igur

?est practice recommen"ation remains to $imit stac* transitions to one ho&

hange "ue to a revie& in AS5! "ata an" e+tensive engineering testing sris* in "o&ntime events or serious per#ormance "egra"ation #or mu$ti7transenvironments

T&o or more transitions a$$o&e" up to the 107stac* "epth $imitO

Stac* TransitionWhat,s ne&@



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?est practice #or (6M3(6ML is sti$$ a sing$e transition #or per#ormanc

resi$ience

Supporte" con#iguration #or (6M3(6ML environments beyon" 2 tran

per#ormance not optima$ as a$$ permutations are not continua$$y va$i"ate"'

Stac* TransitionWhat (t Means



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7

Storage Tips



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Rey Ta*ea&ays


5n"erstan" &hy there are best practices an" &here they are app$ica

4earn ho& #o$$o&ing recommen"ations can improve your storage per

9ain *no&$e"ge on supporte" storage con#igurations


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For a""itiona$ in#ormation a#ter the event visit:

e$ate" Sessions an" esources


4earn more about this topic


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Te$$ 5s What ou ThoughtTe$$ 5s What ou Thought

Ta*e an (nsight survey on your mobi$e "evice

omp$ete" surveys are entere" into a "ra&ing to

&in an App$e Watch) %etApp gear) an" more

Don,t have the app@ Do&n$oa" the (nsight Mobi$e App

at the App$e Store an" on 9oog$e !$ay'



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Storage Subsystem Technica$ FAQ

QEA



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Than* you

/ 201 %etApp) (nc' A$$ rights reserve"' %o portions o# this presentation may be repro"uce" &ithout prior &ritten consent o# %etApp) (nc' Spe

to change &ithout notice' %etApp an" the %etApp $ogo are registere" tra"emar*s o# %etApp) (nc' in the 5nite" States an"8or other countries

pro"ucts are tra"emar*s or registere" tra"emar*s o# their respective ho$"ers an" shou$" be treate" as such'

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NetApp Insight 2015 ID 2331-2

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