Specifications

Storage Subsystem Guide 17
Managing the Storage Subsystem
IntheChooseRackstoMonitorarea,checkthecheckboxesintheRack
Namecolumntobeaddedtothecurrentlymanagedserver.UsetheRack
Passwordfieldforrackswithconfiguredpasswords.Then,clickOK.
Ifnoracksappear,theSMUwasunabletofindanysupportedrackson
its
network.Inthiscase,verifythattheRAIDrackshavetheirnetwork
settingsproperlyconfigured.
Note:RAIDracksthathavealreadybeenaddedtothecurrentlymanaged
serverwillnotbepresentinthelistofdiscoveredRAIDracks.
Oncearackisadded,thefollowingeventsoccur:
•Theselected
RAIDracksappearontheRAIDRackslistpageandon
theSystemMonitor(forthecurrentlyselectedmanagedserver).
•TheSMUbeginsloggingrackevents,whichcanbeviewedthrough
theEventLoglinkontheRAIDRackDetailspage.
•RAIDracksevereeventswillbeforwardedtoeachmanagedserver

thathasdiscoveredtherackandincludedinitseventlog.This triggers
theserverʹsalertmechanism,possiblyresultinginalertemailsand
SNMPtraps.
•RAIDracktimeissynchronizeddailywithSMUtime.
•IfsystemdrivesarepresentontheRAIDrack,therack“cacheblock
size”willbe
setto16KB.
Partially Discovered RAID Racks
WhendiscoveringRAIDracks,itispossiblethatonlyoneofthecontrollersʹIP
addressesmightbediscovered(forinstance,ifonly onecontrollerisonline).
Inthisinstance,theRAIDrackisconsideredonly“partiallydiscovered.”The
RAIDrackcanstillbeadded;however,itwillappearontheRAID
Racklist
pagewithanamberstatusandwillhavereducedfunctionality,becausethe
SMUcancommunicatewithonlyonecontroller.Ifarackispartially
discovered,youshouldidentifyandremedytheproblemassoonaspossible.
Whenbothcontrollersarebackonline,theRAIDrackshouldberemoved
and
rediscovered.Rediscoverywillalloweachcontroller’sIPaddresstobefully
discovered.HavingbothIPaddressesallowstheSMUtomaintaincontact
withtheRAIDrackevenifoneofthecontrollersfails.
Note:DeletingaRAIDrackonlyremovesitasadevicemanagedbytheSMU.
Itwill
notaffectanyconfiguredsystemdrivesorfilesystems.