asdf class 3

8/14/2019 asdf Class 3

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Class 3

September 26, 2013

TDC-478

Information Storage and Management


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2012 EMC Corporation. All rights

reserved. TC!"#$ %n&ormation Storage and Management

Chapter 5 Objectives

'pon (ompletion o& this (hapter, )o*+ill be able to es(ribe -C SA and its (omponents

es(ribe -C ar(hite(t*re es(ribe -C SA topologies and /oning es(ribe virt*ali/ation in SA environment

2


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ibre Channe! Storage "rea #et$or%

&C S"#'

'pon (ompletion o& this lesson, )o* +ill be ableto Evol*tion o& -C SA

Components o& -C SA

-C inter(onne(tivit) options -C port t)pes

3


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()siness #eeds and Techno!og*

Cha!!enges

An e&&e(tive in&ormation management sol*tionm*st provide *st!in!time in&ormation to b*siness *sers

-leible and resilient storage in&rastr*(t*re

%n&ormation management (hallenges in ASenvironment Eplosive gro+th o& in&ormation storage that remains

isolated and *nder*tili/ed

roli&eration o& ne+ servers and appli(ations Compleit) in sharing storage reso*r(es a(ross m*ltiple

servers

igh (ost o& managing in&ormation

Storage area net+or4 5SA addresses these(hallenges "


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()siness #eeds and Techno!og*

Cha!!enges

Centrali/es storage and management

Enables sharing o& storage reso*r(es a(rossm*ltiple servers at blo(4 level

Meets in(reasing storage demands e&&i(ientl)+ith better e(onomies o& s(ale

Common SA deplo)ments are -ibre Channel 5-C SA *ses -C proto(ol &or

(omm*ni(ation

% SA *ses %!based proto(ols &or (omm*ni(ation

7

%t is a high!speed, dedi(ated net+or4 o& servers and sharedstorage devi(es.


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+nderstanding ibre Channe!

6

Clients Storage ArraysApplication Servers

IPNetwork FC SAN

igh!speed net+or4 te(hnolog) 8atest -C implementation s*pports speed *p to 16 9b:s

ighl) s(alable Theoreti(all), a((ommodate approimatel) 17 million

devi(es


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Components of C S"#

ode 5server and storage ports

Cables

Conne(tors

%nter(onne(ting devi(es s*(h as -C s+it(hes andh*bs

SA management so&t+are

#


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Components of S"#, Cab!ing

=

SA implementation *ses Copper (ables &or short

distan(e

>pti(al &iber (ables &or long

distan(e T+o t)pes o& opti(al (ables

Single!mode Can (arr) single beams o&

light

istan(e *p to 10 ?M

M*lti!mode Can (arr) m*ltiple beams o&

light sim*ltaneo*sl)

istan(e *p to 700 meters


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Atta(hed at the end o& a (able

Enable s+i&t (onne(tion anddis(onne(tion o& the (able to and&rom a port

Commonl) *sed (onne(tors &or&iber opti( (ables are Standard Conne(tor 5SC

*ple (onne(tors

8*(ent Conne(tor 58C *ple (onne(tors

Straight Tip 5ST at(h panel (onne(tors

Simple (onne(tors

Components of S"#,

Cab!ing &Connectors'

10Straight Tip Conne(tor

8*(ent Conne(tor

Standard Conne(tor


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Commonl) *sed inter(onne(ting devi(es in-C SA are *bs, s+it(hes, and dire(tors

*bs provide limited (onne(tivit) ands(alabilit)

S+it(hes and dire(tors are intelligent

devi(es S+it(hes are available +ith &ied port (o*nt ormod*lar design

ire(tors are al+a)s mod*lar, and its port (o*nt

(an be in(reased b) inserting additional @line(ards@ or @blades@

Components of S"#,

Interconnecting devices

11


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2012 EMC Corporation. All rightsreserved. TC!"#$ %n&ormation Storage and Management

Components of S"#, Storage arra*

12

;asis &or SA(omm*ni(ation *bs

S+it(hes and ire(tors

Servers

Arrays

FC SANHBA

HBA

HBA


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Components of S"#,

S"# management soft$are

13

A s*ite o& tools *sed in aSA to manage inter&a(esbet+een host and storagearra)s

rovides integratedmanagement o& SAenvironment

Enables +eb!basedmanagement *sing 9'% orC8%


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oint!to!oint -ibre Channel Arbitrated 8oop 5-C!A8 -ibre Channel S+it(hed -abri( 5-C!S

C Interconnectivit* Options

1"


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S"# Interconnectivit* Options,

oint-to-oint Connectivit*

17

Enables dire(t (onne(tion bet+een nodes

>&&ers limited (onne(tivit) and s(alabilit)

'sed in AS environmentServers

Storage Array

Server

Server


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S"# Interconnectivit* Options, C-".

16

rovides shared loop toatta(hed nodes odes m*st arbitrate to gain

(ontrol %mplemented *sing ring or star

topolog) 8imitations o& -C!A8

>nl) one devi(e (an per&orm %:>operation at a time

S*pports *p to 126 nodes Addition or removal o& a node

(a*ses momentar) pa*se in loop

Servers

Storage Array

Server

FCH

ub


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C-". Transmission

1#

Transmit

Transmit


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S"# Interconnectivit* Options, C-S/

1$

Creates a logi(al spa(e 5(alled &abri( in +hi(h allnodes (omm*ni(ate +ith one another *sings+it(hes %nters+it(h lin4s 5%S8s enable s+it(hes to be (onne(ted

together rovides dedi(ated path bet+een nodes

Addition:removal o& node does not a&&e(t tra&&i( o&other nodes

Servers

Storage Arra

Server

FC Switc' FC Switc'

Interswitc'"inks


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ort T*pes in S$itched abric

1=

Server

N(Port

FC Switc'F(Port

FC Switc'

StorageArray

N(Port

F(Port)(Port )(Port

StorageArray

N(Port

F(Port

IS"


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C-S/ Transmission

20

Port

Transmit

Transmit


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Inter S$itch .in%s &IS.'

%S8 (onne(ts t+o or more -C s+it(hes to ea(hother *sing E!orts

%S8s are *sed to trans&er host!to!storage data as+ell as the &abri( management tra&&i( &rom one

s+it(h to another %S8 is also one o& the s(aling me(hanisms in SA

(onne(tivit)

21

M*ltimode -iber

19bB700m 29bB300m

Single!mode -iber

*p to10 4m

FCSwitc'

FC

Switc'

FC

Switc'

FCSwitc'


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.ogin T*pes in a S$itched #et$or%

Etended 8in4 Servi(es that are de&ined inthe standards -8>9% ! -abri( login

;et+een ort to -ort

8>9% ! ort login ;et+een ort to ort ort establishes a session +ith another ort


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.esson, ibre Channe! "rchitect)re

'pon (ompletion o& this lesson, )o* +ill be ableto -C proto(ol sta(4

-C addressing

addressing Str*(t*re and organi/ation o& -C data

-abri( servi(es

-abri( login t)pes

23


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C "rchitect)re Overvie$

rovides bene&its o& both (hannel andnet+or4 te(hnologies rovides high per&orman(e +ith lo+ proto(ol

overheads rovides high s(alabilit) +ith long distan(e

(apabilit)

%mplements SCS% over -C net+or4

Transports SCS% data thro*gh -C net+or4 Storage devi(es, atta(hed to SA, appear

as lo(al storage devi(es to host operatings)stem

2"


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C "rchitect)re Overvie$

27

-C *ses (hannel te(hnolog)

rovide high per&orman(e +ith lo+ proto(oloverheads

-C is SCS%!3 over -C net+or4 S*stained transmission band+idth over long distan(es

rovides speeds *p to $ 9b:s 5$ 9-C

-C has &ive la)ers

-C!" -C!2

-C!1

-C!0

D-C!3 is not )et implemented

1 Gb/s 2 Gb/s 4 Gb/s 8 Gb/s

FC-4

FC-2

FC-1

FC-0

Application

SCSI HIPPI ESCON ATM IP

Fa!in"/Flo# Contol

Enco$%/&%co$%


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ibre Channe! rotoco! Stac%

26

FC layer Function SAN relevant features specified by FC layer

FC-4 Mappinginterface

Mapping upper layer protocol (e.g. SCSI-3to FC transport

FC-3 Coonservices

Not ipleented

FC-! "outing# flo$control

Frae structure# ports# FC addressing#buffer credits

FC-% &ncode'decode b'%)b encoding# bit and fraesync*roni+ation

FC-) ,*ysical layer Media# cables# connector


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ibre Channe! "ddressing

2#

-C Address is assigned d*ring -abri( 8ogin 'sed to (omm*ni(ate bet+een nodes +ithin SA

Similar in &*n(tionalit) to an % address on %Cs Address -ormat

2" bit address, d)nami(all) assigned Contents o& the three b)tes depend on the t)pe o& !ort -or an ort or a p*bli( 8ort

s+it(h maintains mapping o& to -C!Address via the ameServer


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/or!d /ide #ames

'ni*e 6" bit identi&ier Stati( to node ports on an -C

net+or4Similar to MAC address o& %C

and are *sed to *ni*el)identi&) nodes and ports respe(tivel)

2$

'ol$ 'i$% Na!% - Aa(

)

0101

0

0000

0

0000

*

0110

0

0000

1

0001

*

0110

0

0000

0

0000

0

0000

*

0110

0

0000

0

0000

1

0001

+

1011

2

0010

Co!pan( I&24 bits

Pot Mo$%l S%%$,2 bits

'ol$ 'i$% Na!% - H+A

1 0 0 0 0 0 0 0 c 2 0 $ c 4 0

.%s%%$12 bits

Co!pan( I&24 bits

Co!pan( Sp%ciic24 bits


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Str)ct)re and Organi0ation of C Data

2=

-C data is organi/ed as E(hange operations

Enables t+o !ports toidenti&) and manage a set o&in&ormation *nits

Se*en(e Contig*o*s set o& &rames

sent &rom one port toanother

-rames

-*ndamental *nit o& datatrans&er

Ea(h &rame (onsists o& &iveparts S>-, &rame header,data &ield, C-

SOF

4 +(t%s

&ata Fi%l$

0 - 2112 +(t%s

C.C

4 +(t%s

EOF

4 +(t%s

Fa!% H%a$%

24 +(t%s


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.esson, C Topo!ogies and Management

'pon (ompletion o& this lesson, )o* +ill be ableto Mesh and (ore!edge topologies

;ene&its o& /oning

T)pes o& /oning

30


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abric Topo!og*, Mesh

31

-*ll mesh Ea(h s+it(h is (onne(ted to

ever) other s+it(h

Maim*m o& one %S8 or hop isre*ired &or host!to!storagetra&&i(

ost and storage (an be

(onne(ted to an) s+it(h artial mesh

ot all the s+it(hes are(onne(ted to ever) other

s+it(h

FC Switc'es

Storage Array

Server

Full

*es'

FC Switc'es

Storage Array

Server

Partial*es'


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abric Topo!og*, Core-1dge abric

32

Consists o& edge and(ore s+it(h tiers

et+or4 tra&&i(traverses (ore tier or

terminate at (ore tier Storage is *s*all)

(onne(ted to the(ore tier

;ene&its igh availabilit)

Medi*m s(alabilit)

Medi*m to maim*m

(onne(tivit)

FC Switc' FC Switc' FC Switc'

Storage Array

FC !irectorServer

)dge

+ier

Core+ier

FC Switc' FC Switc' FC Switc'

Storage ArrayFC !irectorServer FC !irectorCore

+ier

)dge+ier


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abric Management, 2oning

33

Gone set

(omprises /ones Ea(h /one

(omprises /onemembers 5;Aand arra) ports

;ene&its


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2oning Components

3"

on% s%t

on% on% on%

M%!b% M%!b% M%!b% M%!b% M%!b% M%!b%

one sets

(Library)

Zone

(Library)

Member

WWN's


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T*pes of 2oning

37

,one &

,one %

Port 1

Port -

..N 10/00/00/00/C/&0/!C/$0

..N 10/00/00/00/C/&0/!C/-

..N 10/00/00/00/C/&0/!C/2&

..N -0/0/0$/2&/)2/1/&B/)

,one 1 3..N ,one4 5 10/00/00/00/C/&0/!C/2& 6 -0/0/0$/2&/)2/1/&,one & 3Port ,one4 5 1-7- 6 1-71&

,one % 3*i8ed ,one4 5 10/00/00/00/C/&0/!C/- 6 1-71&

Servers

Storage ArrayFC Switc'

Switc' !o9ain I! 5 1-

,one 1

Port 1&Port


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Chapter 3 Objectives

'pon (ompletion o& this (hapter, )o*+ill be able to es(ribe % SA proto(ols, (omponents, and

topolog) es(ribe -CoE proto(ol, (omponents, and

topolog)

36


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.esson, I S"# rotoco!s

'pon (ompletion o& this lesson, )o* +ill beable to rivers &or % SA

% SA roto(ols iSCS% and -C%

Components, topologies, and proto(ol sta(4 &or iSCS%and -C%

3#


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Drivers for I S"# Internet$or%ing

% SA transports blo(4!level data over %net+or4

% is being positioned as a storage net+or4ingoption be(a*se

Eisting net+or4 in&rastr*(t*re (an be leveraged


39/66


/hat is iSCSI

% based proto(ol *sed to (onne(t host andstorage

Carries blo(4!level data over %!based net+or4

En(aps*late SCS% (ommands and transport asTC:% pa(4et

3=


40/66


Components of iSCSI

iSCS% host initiators ost (omp*ter *sing a %C or iSCS% ;A to

(onne(t to storage iSCS% initiator so&t+are ma) need to be

installed

iSCS% targets Storage arra) +ith embedded iSCS% (apable

net+or4 port -C!iSCS% bridge

8A &or % storage net+or4 %nter(onne(ted Ethernet s+it(hes and:or

ro*ters "0


41/66


Components of iSCSI &cont'

"1

iSCSI Port

FC Port

iSCSI :atewayStorage Array

Server

iSCSI HBA

Storage Array

IP


42/66


iSCSI - 6ost Connectivit* Options

Standard %C +ith so&t+are iSCS% initiator %C provides net+or4 inter&a(e

So&t+are initiator provides iSCS% &*n(tionalit)


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iSCSI Topo!ogies

ative iSCS% Conne(tivit) ;ridged iSCS% Conne(tivit)

Combining -C and ative iSCS% Conne(tivit)

"3


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(ridged iSCSI Connectivit*

iSCS% gate+a) is *sed to enable (omm*ni(ationbet+een iSCS% host and -C storage

iSCS% gate+a) +or4s as bridge bet+een -C and %net+or4 Converts % pa(4ets to -C &rames and vi(e versa

iSCS% initiator is (on&ig*red +ith gate+a)Hs % address asits target

iSCS% gate+a) is (on&ig*red as -C initiator to storagearra)

"7FC HBA

ServeriSCSI HBA

Storage Array

FC Port

iSCSI :ateway

Server

IP

FC SAN

C bi i C d i iSCS


46/66


Combining C and #ative iSCSI

Connectivit*

Arra) provides both -C and iSCS% ports Enable iSCS% and -C (onne(tivit) in the

same environment o bridge devi(es needed

"6

FC HBA

Server

iSCSI HBA

Storage Array

FC Port

iSCSI Port

Server

IP

FC SAN


47/66


iSCSI rotoco! Stac%

"#

Et%n%t IP TCP iSCSI SCSI &ata

OSI Mo$%l iSCSI Initiato iSCSI Ta"%t

3a(% Application

3a(% ) S%ssion

3a(% 4 Tanspot

3a(% , N%t#o5

3a(% 2 &ata 3in5

SCSI

iSCSI

TCP

IP

Et%n%t

SCSI

iSCSI

TCP

IP

Et%n%t

Int%conn%ct

Co!!an$s an$ &ata

3o"in an$ &isco%(

'in$o#s an$ S%"!%nts

Pac5%ts

Fa!%s


48/66


49/66


iSCSI #ames

iSCS% name is a *ni*e iSCS% identi&ierthat is *sed to identi&) initiators andtargets +ithin an iSCS% net+or4

T+o (ommon t)pes o& iSCS% names are in. iSCS% J*ali&ied ame in.200$!02.(om.eampleoptionalstring

Eample in.1==2!07.(om.em(apm00033=013630000!10

e*i. Etended 'ni*e %denti&ier e*i.0300#32A327=$26

"=


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I S"# rotoco!, CI

%!based proto(ol that is *sed to (onne(tdistrib*ted -C SA islands

Creates virt*al -C lin4s over eisting %net+or4 that is *sed to transport -C data

bet+een di&&erent -C SAs En(aps*lates -C &rames onto % pa(4et

rovides disaster re(over) sol*tion

70


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CI Topo!og*

71

FCIP :ateway FCIP :ateway

Storage Array Storage Array

Server

Servers

Server

Servers

IP

FC SANFC SAN


52/66


CI Topo!og*

72

IPHeader

+CPHeader

FCIPHeader IP Payload

S;F FC

Header

C


53/66


ibre Channe! over 1thernet &Co1'

?e) points (overed in this lesson rivers &or -CoE

Components o& -CoE net+or4

-CoE &rame mapping

Converged Enhan(ed Ethernet 5CEE

73


54/66


Drivers for Co1

-CoE is a proto(ol that transports -C data overEthernet net+or4 5Converged Enhan(edEthernet

-CoE is being positioned as a storage

net+or4ing option be(a*se Enables (onsolidation o& -C SA tra&&i( and Ethernet

tra&&i( onto a (ommon Ethernet in&rastr*(t*re


55/66


Data Center Infrastr)ct)re (efore

+sing Co1

77


Server

FCSwitc'es

Server

Servers Servers

FCSwitc'es

IPSwitc'es

"AN

D t C t I f t t "ft + i


56/66


Data Center Infrastr)ct)re "fter +sing

Co1

76


Server

FCo)Switc'es

Server

Servers Servers

FCSwitc'es "AN


57/66


Components of an Co1 #et$or%

Converged et+or4 Adapter 5CA Cable

-CoE s+it(h

7#


58/66


Converged #et$or% "dapter &C#"'

7$

rovides &*n(tionalit) o&both K a standard %C andan -C ;A Eliminates the need to deplo)

separate adapters and (ables&or -C and Ethernet(omm*ni(ations

Contains separate mod*les&or 10 9igabit Ethernet, -C,and -CoE AS%Cs -CoE AS%C en(aps*lates -C

&rames into Ethernet &rames


59/66


Cab!e

T+o options are available &or -CoE (abling Copper based T+ina (able

Standard &iber opti(al (able

7=

+wina8 Cable Fiber ;ptical CableS*itable &or shorter distan(es5*p to 10 meters

Can r*n over longer distan(es


60/66


Co1 S$itch

60

rovides bothEthernet and -Cs+it(h &*n(tionalities

Consists o& -C-,Ethernet bridge, andset o& CEE ports and-C ports 5optional -C- en(aps*lates and

de!en(aps*lates -C&rames

-or+ards &ramesbased on Ethert)pe

FC Port

Fibre C'annelForwarder 3FCF4

FC Port FC Port FC Port

)t'ernetPort

)t'ernetPort

)t'ernetPort

)t'ernetPort

)t'ernet Bridge


61/66


62/66


Converged 1nhanced 1thernet

rovides lossless Ethernet 8ossless Ethernet re*ires &ollo+ing

&*n(tionalities riorit)!based &lo+ (ontrol 5-C

Enhan(ed transmission sele(tion 5ETS

Congestion noti&i(ation 5C

ata (enter bridging e(hange proto(ol5C;

62


63/66


riorit*-(ased !o$ Contro! &C'

Creates eight virt*al

lin4s on a single

ph)si(al lin4

'ses A'SE(apabilit) o&

Ethernet &or ea(h

virt*al lin4 A virt*al lin4 (an be

pa*sed and restartedindependentl)

A'SE me(hanism is

based on *ser

priorities or (lasses o&

servi(e

63


64/66


1nhanced Transmission Se!ection &1TS'

Allo(ates band+idth to di&&erent tra&&i( (lassess*(h as 8A, SA, and %nter ro(ess

Comm*ni(ation 5%C

rovides available band+idth to other (lasses

o& tra&&i( +hen a parti(*lar (lass o& tra&&i( doesnot *se its allo(ated band+idth

6"


65/66


Congestion #otification &C#'

rovides a me(hanism &or dete(ting(ongestion and noti&)ing the so*r(e

Enables a s+it(h to send a signal to otherports that need to stop or slo+ do+n their

transmissions

67


66/66

Data Center (ridging 1change rotoco!

&DC(9'

Enables CEE devi(es to (onve) and (on&ig*retheir &eat*res +ith other CEE devi(es in the

net+or4 Allo+s a s+it(h to distrib*te (on&ig*ration val*es to

atta(hed adapters Ens*res (onsistent (on&ig*ration a(ross net+or4

asdf class 3

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