RadiSys ATCA-4616 Spezifikationen PDF herunterladen (Seite 138)

Shelf Manager Initialization

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d. PopulatestheRPTwithresourcesandtheirassociatedresourcedatarecords(RDRs).

ResourcesarecreatedforeachslotpresentinthechassisaswellasallinstalledFRUs.

RDRentriescreatedincludesensors(bothphysicalandlogical),controls,watchdogs,

andinventorydatarecords.

e. ChecksforthepresenceofpreviouslysavedHPI

parametercontrolconfigurationfiles

andloadsthemforeachresourceintheRPT.TheHPIparametercontrolconfiguration

filesarearchivedinhcf.tgzinthe/var/lib/shmgrdirectory.Ifnosavedconfiguration

filesarepresent,thedefaultconfigurationfilesarecopiedastheinitialsaved

configuration.

f. StartstheEventthreadtodynamicallyliste nforeventsfromtheShelfManager(only

ontheactiveHPIserver)aswellasfromHPIapplications.

g. StartstheSessionmanagementservice.Atthispoint,theactiveHPIserverisfully

initialized andreadytoacceptSessionopenrequestsfromexternalapplications.

However,thestandbyHPIserverwillstillblocksessionopenrequestsuntilthe

completionofthenextstep.

h. StartsthesynchronizationprocessonthestandbyHPIservertosynchronizethe

active‐standbyHPIservers.Alongwithresource,sensorandcontroldata,thisprocess

alsosynchronizestheHPIparametercontrolconfigurationfiles.

i. ThiscompletestheinitializationprocessforthestandbyHPIserver,whichcannow

acceptsessionopenrequestsfromexternalHPIapplicationsneedingdebugaccessto

it.

AlthoughtheHPIservermaytakesometimetobecomefullyinitializedwhentherearemany

FRUsintheshelf,theShelfManagerbecomesfullyoperationalwithin60secondsofstarting

theshelf.TheShelfManagerrunsinthebackgroundevenastheHPIserveriscompletingits

initialization.

WhenshelfmanagementservicesarenotfullyinitializedononeoftheSCMs,theredOOS

(OutofService)LEDonthatSCMisilluminated.AssoonastheShelfManagerisfullycapable

ofmanagingtheshelf,theLEDturnsoff.

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RadiSys ATCA-4616 Spezifikationen Seite 138