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The
/lib
directoryonlyappliestoRedHatEnterpriseLinux32-bitsystems.OnRedHatEnterpriseLinux64-bit
systems,thedirectoryis
/lib64
,andonSolaris64-bitsystems,itis
/lib/sparcv9
.
ServerInstanceFileReference
ThischapterprovidesanoverviewofthefilesthatarespecifictoaninstanceofRedHat
DirectoryServer(DirectoryServer)—thefilesstoredinthe
/usr/lib/dirsrv/slapd-instance_name
directory.1Havinganoverviewofthefilesand
configurationinformationstoredineachinstanceofDirectoryServerhelpswithunderstanding
thefilechanges(orlackoffilechanges)whichoccurinthecourseofdirectoryactivity.Itcanals
helptodetecterrorsandintrusionbyindicatingwhatkindofchangestoexpectand,asaresult,
whatchangesareabnormal.
1.OverviewofDirectoryServerFiles
NOTE
Inexamplesandsamplecode,pathsassumethattheDirectoryServeris
installedinonRedHatEnterpriseLinux,whichhasaninstancedirectoryof
/usr/lib/dirsrv/slapd-instance_name
.IftheDirectoryServerinadifferent
platform,adjustthepathsaccordingly.
Thefiles,tools,andscriptsusedbyDirectoryServerareinthelocationslistedinthefollowing
directories.
FileorDirectory
Location
Backupfiles
/var/lib/dirsrv/slapd-
instance_name
/bak
Configurationfiles
/etc/dirsrv/slapd-
instance_name
Databasefiles
/var/lib/dirsrv/slapd-
instance_name
/db
LDIFfiles
/var/lib/dirsrv/slapd-
instance_name
/ldif
Lockfiles
/var/lock/dirsrv/slapd-
instance_name
Logfiles
/var/log/dirsrv/slapd-
instance_name
PIDfiles
/var/run/dirsrv/slapd-
instance_name
Tools
/usr/bin
/usr/sbin
/usr/lib/mozldap6
Instancedirectory
/usr/lib/dirsrv/slapd-
instance_name
Chapter4.
171
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Table4.1.RedHatEnterpriseLinux4and5(x86)
FileorDirectory
Location
Backupfiles
/var/lib/dirsrv/slapd-
instance_name
/bak
Configurationfiles
/etc/dirsrv/slapd-
instance_name
Databasefiles
/var/lib/dirsrv/slapd-
instance_name
/db
LDIFfiles
/var/lib/dirsrv/slapd-
instance_name
/ldif
Lockfile
/var/lock/dirsrv/slapd-
instance_name
Logfiles
/var/log/dirsrv/slapd-
instance_name
PID
/var/run/dirsrv/slapd-
instance_name
Tools
/usr/bin
/usr/sbin
/usr/lib64/mozldap6
Instancedirectory
/usr/lib64/dirsrv/slapd-instance
Table4.2.RedHatEnterpriseLinux4and5(x86_64)
FileorDirectory
Location
Backupfiles
/var/lib/dirsrv/slapd-
instance_name
/bak
Configurationfiles
/etc/dirsrv/slapd-
instance_name
Databasefiles
/var/lib/dirsrv/slapd-
instance_name
/db
LDIFfiles
/var/lib/dirsrv/slapd-
instance_name
/ldif
Lockfiles
/var/lock/dirsrv/slapd-
instance_name
Logfiles
/var/log/dirsrv/slapd-
instance_name
PID
/var/run/dirsrv/slapd-
instance_name
Tools
/usr/bin
/usr/sbin
/usr/lib/sparcv9/mozldap
Instancedirectory
/usr/lib/sparc9/dirsrv/slapd-instance
Table4.3.SunSolaris9(sparc)
FileorDirectory
Location
Backupfiles
/var/opt/dirsrv/slapd-instance/bak
Configurationfiles
/etc/opt/dirsrv/slapd-instance
Chapter4.ServerInstanceFileReference
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FileorDirectory
Location
Databasefiles
/var/opt/dirsrv/slapd-instance/db
Runtimefiles
/var/opt/dirsrv/instance
LDIFfiles
/var/opt/dirsrv/slapd-instance/ldif
Logfiles
/var/opt/log/dirsrv/slapd-instance
Tools
/opt/dirsrv/bin/
/opt/dirsrv/sbin/
Instancedirectory
/opt/dirsrv/slapd-instance
Libraries
/opt/dirsrv/lib/
Table4.4.HP-UX11i(IA64)
2.BackupFiles
EachDirectoryServerinstancecontainsthefollowingdirectoryandfileforstoring
backup-relatedfiles:
/var/lib/dirsrv/slapd-instance_name/bak
—Thiscontainsadirectorydatedwiththe
instance_name
,timeanddateofthedatabasebackup,suchas
instance_name-2007_05_02_16_56_05/
,whichinturnholdsthedatabasebackupcopy.
/etc/dirsrv/slapd-instance_name/dse_original.ldif
—Thisisabackupcopyofthe
dse.ldif
configurationfilefromthetimeofinstallation.
3.ConfigurationFiles
EachDirectoryServerinstancestoresitsconfigurationfilesinthe
/etc/dirsrv/slapd-instance_name
directory.Theconfigurationfilesinthisdirectoryare
explainedinSection1,“ServerConfiguration-Overview” .
4.DatabaseFiles
EachDirectoryServerinstancecontainsthe
/var/lib/dirsrv/slapd-instance_name/db
directoryforstoringallofthedatabasefiles.Thefollowingisasamplelistingofthe
/var/lib/dirsrv/slapd-instance_name/db
directorycontents.
__db.001 __db.003 __db.005
NetscapeRoot/
__db.002 __db.004 DBVERSION
log.0000000007
userRoot/
BackupFiles
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Example4.1.DatabaseDirectoryContents
db.00x
files—Usedinternallybythedatabaseandshouldnotbemoved,deleted,or
modifiedinanyway.
log.xxxxxxxxxx
files—Usedtostorethetransactionlogsperdatabase.
DBVERSION
—Usedforstoringtheversionofthedatabase.
NetscapeRoot
—Storesthe
o=NetscapeRoot
databasecreatedbydefaultwhenthe
setup-ds-admin.pl
scriptisrun.
userRoot
—Storestheuser-definedsuffix(user-defineddatabases)createdatsetup;for
example,
dc=example,dc=com
.
NOTE
Ifanewdatabaseiscreated(forexample,
testRoot
)tostorethedirectorytree
underanewsuffix,thedirectorynamed
testRoot
alsoappearsinthe
/var/lib/dirsrv/slapd-instance_name/db
directory.
Thefollowingisasamplelistingofthe
NetscapeRoot
directorycontents.
./
entrydn.db4*
parentid.db4*
../
givenName.db4*
sn.db4*
DBVERSION* id2entry.db4*
uid.db4*
aci.db4* nsUniqueId.db4*
uniquemember.db4*
ancestorid.db4* numsubordinates.db4*
cn.db4*
objectclass.db4*
Example4.2.NetscapeRootDatabaseDirectoryContents
The
NetscapeRoot
subdirectoriescontainanindex_name
db4
fileforeveryindexcurrently
definedinthedatabase.Inadditiontothesefiles,the
NetscapeRoot
and
userRoot
subdirectoriescontainthefollowingfiles:
ancestorid.db4
—ContainsalistofIDstofindtheIDoftheentry'sancestor.
Chapter4.ServerInstanceFileReference
174
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entrydn.db4
—ContainsalistoffullDNstofindanyID.
id2entry.db4
—Containstheactualdirectorydatabaseentries.Allotherdatabasefilescan
berecreatedfromthisone,ifnecessary.
nsuniqueid.db4
—ContainsalistofuniqueIDstofindanyID.
numsubordinates.db4
—ContainsIDsthathavechildentries.
objectclass.db4
—ContainsalistofIDswhichhaveaparticularobjectclass.
parentid.db4
—ContainsalistofIDstofindtheIDoftheparent.
5.LDIFFiles
SampleLDIFfilesarestoredinthe
/var/lib/dirsrv/slapd-instance_name/ldif
directory
forstoringLDIF-relatedfiles.Example4.3,“LDIFDirectoryContents” liststhe
/ldif
directory
contents.
European.ldif
Example.ldif
Example-roles.ldif
Example-views.ldif
Example4.3.LDIFDirectoryContents
European.ldif
—ContainsEuropeancharactersamples.
Example.ldif
—IsasampleLDIFfile.
Example-roles.ldif
—IsasampleLDIFfilesimilarto
Example.ldif
,exceptthatituses
rolesandclassofserviceinsteadofgroupsforsettingaccesscontrolandresourcelimitsfor
directoryadministrators.
NOTE
TheLDIFfilesexportedby
db2ldif
or
db2ldif.pl
scriptsintheinstance
directoryarestoredin
/var/lib/dirsrv/slapd-instance_name/ldif
.
LDIFFiles
175
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6.LockFiles
EachDirectoryServerinstancecontainsa
/var/lock/dirsrv/slapd-instance_name
directory
forstoringlock-relatedfiles.Thefollowingisasamplelistingofthe
locks
directorycontents.
exports/ imports/ server/
Example4.4.LockDirectoryContents
Thelockmechanismsstoredinthe
exports
,
imports
,and
server
subdirectoriesprevent
multiple,simultaneousoperationsfromconflictingwitheachother.Thelockmechanismsallow
foroneserverinstancetorunatatime,withpossiblemultipleexportjobs.Theyalsopermitone
ldif2db
importoperationatatime(not
ldif2db.pl
,becausemultiple
ldif2db.pl
operations
canberunatanytime)totheexclusionofallexportand
slapd
serveroperations.
Ifthereareerrormessagesindicatingthatthelocktableisoutofavailablelocks(forexample,
libdb: Lock table e is s out t of available locks
),doublethevalueofthe
nsslapd-db-locks
attributeinthe
cn=config,cn=ldbm database,cn=plugins,cn=config
entry.
Forexample,ifthecurrentvalueis
10000
,setitto
20000
.Iftheproblempersists,doublethe
numberagain.Tomonitorthecurrentandmaximumnumberoflocks,doasearchon
cn=database, cn=monitor, cn=ldbm database, cn=plugins, cn=config
.Forexample:
ldapsearch -h h localhost -p p 389 -D D "cn=directory manager" " -w w password
-b "cn=database,cn=monitor,cn=ldbm database, cn=plugins,cn=config"
objectclass=* | | grep -- - -locks: : )
FormoreinformationonusingLDAPutilities,seetheDirectoryServerAdministrationGuide.
7.LogFiles
EachDirectoryServerinstancecontainsa
/var/log/dirsrv/slapd-instance_name
directory
forstoringlogfiles.Thefollowingisasamplelistingofthe
/logs
directorycontents.
access
access.20070228-171925
errors
access.20070221-162824 access.rotationinfo
errors.20070221-162824
access.20070223-171949 audit
errors.rotationinfo
access.20070227-171818 audit.rotationinfo o slapd.stats
Example4.5.LogDirectoryContents
Chapter4.ServerInstanceFileReference
176
• Thecontentofthe
access
,
audit
,and
error
logfilesisdependentonthelogconfiguration.
• The
slapd.stats
fileisamemory-mappedfilewhichcannotbereadbyaneditor.Itcontains
datacollectedbytheDirectoryServerSNMPdatacollectioncomponent.Thisdataisreadby
theSNMPsubagentinresponsetoSNMPattributequeriesandiscommunicatedtothe
SNMPmasteragentresponsibleforhandlingDirectoryServerSNMPrequests.
8.PIDFiles
slapd-serverID.pid
and
slapd-serverID.startpid
filesarecreatedinthe
/var/run/dirsrv/slapd-instance_name
directorywhentheserverisupandrunning.Both
filesstoretheserver'sprocessID.
9.Tools
DirectoryServertoolsarestoredinthreedirectorysonRedHatEnterpriseLinux:
/usr/bin
/usr/sbin
/usr/lib/mozldap6
Thecontentsofthosedirectoriesarelistedbelow.Chapter6,Command-LineUtilitieshasmore
informationoncommand-linescripts.
dbscan
ldif
dbscan-bin
ldif-bin
Example4.6./binContents
ds_removal
migrate-ds-admin.pl
setup-ds-admin.pl
ds_unregister
register-ds-admin.pl
setup-ds.pl
Example4.7./sbinContents
ldapcmp
ldapcompare-bin ldapmodify
ldappasswd-bin
ldapcmp-bin
ldapdelete
ldapmodify-bin
ldapsearch
ldapcompare
ldapdelete-bin
ldappasswd
ldapsearch-bin
PIDFiles
177
Example4.8.LDAPToolDirectoryContents
10.Scripts
DirectoryServercommand-linescriptsarestoredinthe
/usr/lib/dirsrv/slapd-instance_name
directory.Thecontentsofthe
/usr/lib/dirsrv/slapd-instance_name
directoryarelistedinExample4.9,“Instance
DirectoryContents”.Chapter7,Command-LineScriptshasmoreinformationoncommand-line
scripts.
bak2db
db2index.pl ldif2db.pl
ns-inactivate.pl
start-slapd
bak2db.pl
db2ldif
ldif2ldap
ns-newpwpolicy.pl
stop-slapd
db2bak
db2ldif.pl
monitor
restart-slapd
suffix2instance
db2bak.pl
dbverify
ns-accountstatus.pl
restoreconfig
verify-db.pl
db2index
ldif2db
ns-activate.pl
saveconfig
vlvindex
Example4.9.InstanceDirectoryContents
Chapter4.ServerInstanceFileReference
178
AccessLogandConnectionCode
Reference
RedHatDirectoryServer(DirectoryServer)provideslogstohelpmonitordirectoryactivity.
Monitoringhelpsquicklydetectingandremedyingfailuresand,wheredoneproactively,
anticipatingandresolvingpotentialproblemsbeforetheyresultinfailureorpoorperformance.
Partofmonitoringthedirectoryeffectivelyisunderstandingthestructureandcontentofthelog
files.
Thischapterdoesnotprovideanexhaustivelistoferrormessages.However,theinformation
presentedinthischapterservesasagoodstartingpointforcommonproblems.
1.AccessLogContent
TheDirectoryServeraccesslogcontainsdetailedinformationaboutclientconnectionstothe
directory.Aconnectionisasequenceofrequestsfromthesameclientwiththefollowing
structure:
• Connectionrecord,whichgivestheconnectionindexandtheIPaddressoftheclient.
• Bindrecord.
• Bindresultrecord.
• Sequenceofoperationrequest/operationresultpairsofrecords(orindividualrecordsinthe
caseofconnection,closed,andabandonrecords).
• Unbindrecord.
• Closedrecord.
Everylinebeginswithatimestamp—
[21/Apr/2007:11:39:51 -0700]
—theformatofwhich
mayvarydependingontheplatform.
-0700
indicatesthetimedifferenceinrelationtoGMT.
Apartfromtheconnection,closed,andabandonrecords,whichappearindividually,allrecords
appearinpairs,consistingofarequestforservicerecordfollowedbyaresultrecord.Thesetwo
recordsfrequentlyappearonadjacentlines,butthisisnotalwaysthecase.
ThissectionpresentsthedifferentlevelsofaccessloggingavailablewithDirectoryServer,then
describesthedefaultaccessloggingcontent,andendswithadescriptionoftheadditional
accesslogginglevelcontent.
• Section1.1,“AccessLoggingLevels”
• Section1.2,“DefaultAccessLoggingContent”
Chapter5.
179
• Section1.3,“AccessLogContentforAdditionalAccessLoggingLevels”
NOTE
DirectoryServerprovidesascriptwhichcananalyzeaccesslogstoextract
usagestatisticsandcounttheoccurrencesofsignificantevents.Fordetails
aboutthisscript,seeSection4.7,“logconv.pl(LogConverter)” .
1.1.AccessLoggingLevels
Differentlevelsofaccessloggingexist,andchangingthevalueofthe
nsslapd-accesslog-level
configurationattributesetstheexacttypeofloggingrequired.See
Section3.1.2,“nsslapd-accesslog-level” forfulldetailsonaccessloglevels.
1.2.DefaultAccessLoggingContent
Thissectiondescribestheaccesslogcontentindetailbasedonthedefaultaccesslogginglevel
extractshownbelow.
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 fd=608 8 slot=608 connection from
207.1.153.51 to o 192.18.122.139
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=0 BIND dn="cn=Directory y Manager"
method=128 version=3
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=0 RESULT T err=0 tag=97 7 nentries=0
etime=0
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=1 SRCH base="dc=example,dc=com"
scope=2 filter="(uid=bjensen)"
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=1 RESULT T err=0 tag=101 nentries=1
etime=1000 notes=U
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=2 UNBIND
[21/Apr/2007:11:39:51 -0700] ] conn=11 1 op=2 fd=608 8 closed d - - U1
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 fd=634 4 slot=634 connection from
207.1.153.51 to o 192.18.122.139
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=0 BIND dn="cn=Directory y Manager"
method=128 version=3
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=0 RESULT T err=0 tag=97 7 nentries=0
etime=0
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=1 SRCH base="dc=example,dc=com"
scope=2 filter="(uid=bjensen)"
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=2 ABANDON N targetop=1 1 msgid=2
nentries=0 etime=0
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=3 UNBIND
[21/Apr/2007:11:39:52 -0700] ] conn=12 2 op=3 fd=634 4 closed d - - U1
[21/Apr/2007:11:39:53 -0700] ] conn=13 3 fd=659 9 slot=659 connection from
207.1.153.51 to o 192.18.122.139
[21/Apr/2007:11:39:53 -0700] ] conn=13 3 op=0 BIND dn="cn=Directory y Manager"
method=128 version=3
[21/Apr/2007:11:39:53 -0700] ] conn=13 3 op=0 RESULT T err=0 tag=97 7 nentries=0
etime=0
[21/Apr/2007:11:39:53 -0700] ] conn=13 3 op=1 EXT oid="2.16.840.1.113730.3.5.3"
Chapter5.AccessLogandConnectionCodeReference
180
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