RadiSys ATCA-4616 Spezifikationen PDF herunterladen (Seite 124)

Troubleshooting

124

TypicallyeachIPMChasonlyitsowneventsinitsSEL.TheShMCsareexceptionstothisrule

becausetheylogeventsfromallIPMCsintheshelfintheirSEL.Asaconsequence,theShMC

SELisquitelargeandhasnearly19KB(about1200entries)ofSELspace.

Shelf Manager tables

TheShelfManagerusestablesandfilestostoreinformationanddatarelatedtoevents,

alarms,sensorsandresources,etc.Thefollowinguser‐orapplication‐accessiblefilesand

tablesexistintheShelfManager:

• shmgr.log

•DomainEventLog(DEL)

•SystemEventLog(SEL)

•DRT,RPT,RDR,DAT

TheabovelistincludesalltheHPIaccessibletablesthatuserscandealwithintheirsoftware.

TheShelfManagerkeepsmanyinternaltablestomanagethesystem,sotablesofIPMCs,

FRUs,SDRs,E‐Keys,Fans,powersupplies,etc.aremaintainedbytheShelfManager.Theseare

inaccessibletotheuserandareonlyfortheshelfmanagementsoftware'sinternalusage.The

tablesareallmaintainedinRAMontheSCMLMP,andareonlyactivewhiletheShelf

Managerisrunning.OncetheShelfManagerisstoppedortheSCMisreset,theinaccessible

tablesgetcleanedupautomatically.

Eachtablehasasetsize/eventlimit.ForexampletheShelfManagercansupportupto100

IPMCswith32FRUsoneachIPMCandupto1000SDRsperIPMC.Therearenolimitson

numberofE‐KeysperIPMCbecausethatnumberisalreadylimitedbythesizeofboardpoint‐

to‐pointrecordsthattheIPMCcancontain.

TheHPIservercansupportamaximumof1024eventsintheDomainEventLog.This

configurableandthedefaultis255.TheHPIservercansupportamaximumof1024alarmsin

theDAT.Outofthese1024,amaximumof512canbeuseralarms.Thenumberofuser alarms

isconfigurablewiththedefaultlimitbeing50.

TheHPIDATandDELaremaintainedinRAMsotheyarenotpersistentoverSCMresets.The

DATandDEL

are,however,synchronizedbetweenpeerShelfManagers,soeveniftheactive

ShelfManagerresets,itisstillaccessiblethroughthepeer,newlyactive,ShelfManager.

TheRPTiscapableofsupportingthemaximumFRUlimitthatcanbesupportedbytheShelf

Managerplusallslotsassociatedwiththem.ThismeansthatRPTcansupport3200FRUs.

ThedefaultShelfManagerlogsizeis8MB.Everytimethelogreachesthe8MBlimititis

copiedtoazippedbackupcopytosavespace.TheShelfManagerkeepsthefirsttwoShelf

Managerloginstances(thosecreatedrightafterShelf

Managerstart)andthelasttenbackup

copies.Undernormaloperatingconditionsthereshouldabout3hoursofloggingineach

shmgr.logcopy.thismeansthatbout30hoursoflogsshouldbeavailableatanygiventime.

Theshmgr.logfilesizeisconfigurableuptoamaximumof16MB.

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RadiSys ATCA-4616 Spezifikationen Seite 124