Download - AIX SYSTEM & Device configuration
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IBM Power Systems
© Copyright IBM Corporation 2009
Device terminology
# (eneric terminology ' )hysical de%ices ' )orts ' &e%ice dri%ers ' *ogical de%ices ' +de% directory ' ,irtual de%ices
# )ower -+ /specific terminology ' C C ' 1ystem planar ' I3 ' 1ystem ports ' (4 ' I,
' )CI
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IBM Power Systems
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System configuration and device overview
# $nderstanding the configuration of the system is important. ' 6he configuration should be documented and updated on a regular
basis.# ll de%ices ha%e attributes! some of which can be changed.
' lsattr! lists de%ice attributes ' chde%! changes de%ice attributes
# Most de%ices within I4 are self configured! through cfgmgr.# &e%ice states can be controlled using mkdev and rmdev
commands. ' Including %irtual de%ices
# emember7 n I4 partition does not need to ha%e anyphysical de%ices.
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IBM Power Systems
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Device commands
# prtconf ' *ists ma8or system configuration items such as system model!
firmware %ersion! processor type! number of processors! processorcloc speed! cpu type! total memory si:e! networ ! filesystem! pagingspace! and de%ices information
# lscfg ' *ists de%ice information including physical location codes
# lsde% ' *ists de%ice information including the state of the de%ice
# lsslot
' &isplays all specified hot plug slots and their characteristics# chde% ' Changes the characteristics of a de%ice
# lsattr ' &isplays attribute characteristics and possible %alues of attributes for
de%ices in the system
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IBM Power Systems
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prtconf "! of ($
# 1hell script which collects system information# prtconfSystem Model: IBM,8204-E8A
Machine Serial !m"er: $2A%&2'rocessor (ype: 'o)er'%*'+ E
!m"er +f 'rocessors: 2'rocessor %loc. Speed: 4204 M/%'1 (ype: 4-"it
ernel (ype: 4-"it3'A Info: 4 sys 24*52
Memory Si e: $ 2 MB6ood Memory Si e: 2 6B7irm)are ersion: IBM,E3920*0
et)or. Information /ost ame: sys 24*52 I' Address: 0; ; $;44 S!" etmas.: 2$$;2$$;2$$;0 6ate)ay: 0; ; $;2$4 ame Ser5er:
&omain ame:
'a>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>root5>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>root5
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IBM Power Systems
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prtconf "( of ($
I S(A33E& ES+1 %E 3IS(
(he follo)in< reso!rces are installed on the machine;@ - > Added or deleted from eso!rce 3ist;
> &ia
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IBM Power Systems
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lscfg
• lscfg can be used to display ,ital )roduct &ata ,)&D information for
de%ices. ' C s need this to order and replace failed components
# lscf< -5 -l ent0 ent0 1 9 ;&20; $ &9%-' -%0 -( 2-'ort 0 00 000 Base-
(D '%I-D Adapter F 4 08?02G
2-'ort 0 00 000 Base-(D '%I-D Adapter: 'art !m"er;;;;;;;;;;;;;;;;;09 $2? 7 1 !m"er;;;;;;;;;;;;;;;;;;09 $2?
E% 3e5el;;;;;;;;;;;;;;;;;;;;/ 984$ Man!fact!re I&;;;;;;;;;;;;;;H3 02 et)or. Address;;;;;;;;;;;;;00 A 4? 8 8 +M 3e5el;Faltera"leG;;;;;;;& 02 0 /ard)are 3ocation %ode;;;;;;1 9 ;&20; $ &9%-' -%0 -(
# lscf< -5 -l ent0 ent0 1 9 ;&20; $ &9%-' -%0 -( 2-'ort 0 00 000 Base-
(D '%I-D Adapter F 4 08?02G
2-'ort 0 00 000 Base-(D '%I-D Adapter: 'art !m"er;;;;;;;;;;;;;;;;;09 $2? 7 1 !m"er;;;;;;;;;;;;;;;;;;09 $2? E% 3e5el;;;;;;;;;;;;;;;;;;;;/ 984$ Man!fact!re I&;;;;;;;;;;;;;;H3 02 et)or. Address;;;;;;;;;;;;;00 A 4? 8 8 +M 3e5el;Faltera"leG;;;;;;;& 02 0 /ard)are 3ocation %ode;;;;;;1 9 ;&20; $ &9%-' -%0 -(
-PDinformation
P.ysicallocation code
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IBM Power Systems
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lsdev
• lsdev displays de%ice information including the de%ice state
# lsde5
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IBM Power Systems
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lsslot
# &isplays dynamic reconfigurable slots! such as hot plug slots!and their characteristics
# lsslot -c slot# Slot &escription &e5iceFsG1 8 7;00 ;&'M0 B8-' -% 3o
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IBM Power Systems
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# chde5 -l rmt0 -a "loc.*si e>0rmt0 chan0rmt0 chan5aria"le len
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IBM Power Systems
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Device states
# $ndefined ' 6he de%ice is un nown to the system.
# &efined ' 6he de%ice is now to the system but it is una%ailable for use.
# %ailable6he de%ice is a%ailable and ready for use.
# 1topped ' 6he de%ice is una%ailable but remains nown by its de%ice dri%er.
# 6he mkdev and cfgmgr commands ma e de%ices a%ailablefor use.# 6he rmdev command can ma e de%ices una%ailable for use
and completely remo%e them from the system.
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IBM Power Systems
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%dev directory device configuration and control
# 3n $niA platforms! access to de%ices is pro%ided through special de%ice
files that reside in +de% directory.# lsde5 -%c tapeK ls -l de5 rmt0
de5 rmt0 not fo!nd
# cf
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IBM Power Systems
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Device addressing
# 6he address of a de%ice allows you to identify its location.# 6here are two types of &e%ice addressing.
' )hysical location codes refer to a specific component. ' ssigned by the system firmware
# Aample. hdis 0" $E< 0.00@.&F (( 4/)2/&5 1 1 &ri%eD
' 3perating system location codes also refer to components but use adifferent con%ention! assigned by I4. ' Fot as useful or meaningful as )hysical codes on )3 5 or
)3 ; systems ' ,irtual de%ices do not ha%e I4 location codes.
' 9oteC ddress con%entions differ between models and typesadapters! 1C1I! non/1C1ID
# Aample. hdis 0" 00/0
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IBM Power Systems
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P.ysical location code examples
# )hysical location code format
' $nit type.Model no.1erial no/additional de%ice information# Aamples"
hdis.0 1 8A0;00 ;& 66 D-'2-&$ SAS &is. &ri5e
SAS 'lanar F'2G, &e5ice slot reference $, dis. is in the %E%
ent 1 8A0;00 ;& 66 D-' -%4-(2 2-'ort 0 00 000 '%I-D Adapter
System planar F' G, %ard slot o 4, 2 nd port, Adapter is in the %E%
hdis.0 1 9 ;&20; $ &9%-' -%04-(2-38-30 Bit 3 & S%SI &is.
'lanar F' G, '%I slot o 4, 2 nd port, S%SI I& 8,0, &is. is in anattached S%SI 9 -& 20 I + &ra)er;
hdis.$ 1 8A0;00 ;& 66 D-' -%9-( - $00$0 90E80 229-340 402 00000000 7% S%SI &is.
System planar F' G, %ard slot o 9, 'ort , > !niL!e name of an7% adapter F)here the 7% adapter is in a remote stora
31 I&; (he dis. is a lo
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IBM Power Systems
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-irtual location codes example
' ,I31 -MC profile,irtual 1C1I adapter definition
' ,I31 partition
5host0 18204;E8A; $2A%&2- -% 2 irt!al S%SI Ser5er Adapter
irt!al Ser5er adapter, irt!al F3'A G I& , 5irt!al card slot FAdapter I&G 2
5host0 18204;E8A; $2A%&2- -% 2 irt!al S%SI Ser5er Adapter
irt!al Ser5er adapter, irt!al F3'A G I& , 5irt!al card slot FAdapter I&G 2
# !name A32 sys 24*5 *(
5scsi0 18204;E8A; $2A%&2- 2-% 2-( irt!al S%SI %lient Adapterhdis. 18204;E8A; $2A%&2- 2-% 2-( -38 0000000000 irt!al S%SI &is. &ri5e
irt!al client dis., irt!al F3'A G I& 2, 5irt!al card slot 2;
# !name A32 sys 24*5 *(
5scsi0 18204;E8A; $2A%&2- 2-% 2-( irt!al S%SI %lient Adapterhdis. 18204;E8A; $2A%&2- 2-% 2-( -38 0000000000 irt!al S%SI &is. &ri5e
irt!al client dis., irt!al F3'A G I& 2, 5irt!al card slot 2;
' Client I4D partition
9oteC In this eAample! the -MC profile is reJuired toshow the client ser%er %irtual dis relationship.
-irtual devices are easily recogni edby t.e virtual ID reference8 1.isvalue is t.e
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IBM Power Systems
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).ec2point
@. hat does the following location code meanK
2. hat is the purpose of a de%ice ma8or numberK -ow would you
locate the ma8or number of a dis ! hdis @alse" cfgmgr is a binary eAecutable that runs at systeminitiali:ation time to configure de%ices on the system.
=. hat commands can you run on I4 to document the systemconfigurationK
fcs0 1 8A0;00 ;& 66 D-' -%9-( 46" 7% '%I E press Adapterfcs0 1 8A0;00 ;& 66 D-' -%9-( 46" 7% '%I E press Adapter
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IBM Power Systems
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).ec2point solutions
@. hat does the following location code meanK
Port ! of a 4;b >ibre )ard connected to planar ! card slot 3 in Power55# ),) "U 70#$
2. hat is the purpose of a de%ice ma8or numberK -ow would youlocate the ma8or number of a dis ! hdis @alse" cfgmgr is a binary eAecutable that runs at systeminitiali:ation time to configure de%ices on the system.
=. hat commands can you run on I4 to document the systemconfigurationK prtconf lsdev lscfg lsslot lssattr
fcs0 1 8A0;00 ;& 66 D-' -%9-( 46" 7% '%I E press Adapterfcs0 1 8A0;00 ;& 66 D-' -%9-( 46" 7% '%I E press Adapter
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IBM Power Systems
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,xercise 6
System configurationand devices
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IBM Power Systems
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Unit summary
-a%ing completed this unit! you should be able to"
# $nderstand de%ice terminology
# &ocument the system configuration
# $se popular de%ice commands
# $nderstand de%ice configuration and control
# Identify de%ice locations
' Interpret physical and %irtual location codes