How to Replace the SPS on EMC CLARiiON CX3-20 _ Blockandfile.wordpress
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Transcript of How to Replace the SPS on EMC CLARiiON CX3-20 _ Blockandfile.wordpress
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STORAGE,VIRTUALIZATION,&AUTOMATIONINTHEENTERPRISEMC,HOWTO,NAVISPHERE
POSTEDBYDAVIDMALDONADONOVEMBER13,2011LEAVEACOMMENTFILEDUNDER EMC,HOWTO,NAVISPHERE,SPSTodayIlldocumentthestepstoreplaceafailedSPSonanEMCCLARiiONCX320.
Iperformedthisyesterday, butunfortunatelyIdidnthaveacamera withme sonopictures ofth
actualhardware.Butitsfairlyshortandsweet.
Thiscanbeperformednondisruptively.Thereare4powersuppliesintheStorageProcessorEnclosurA0,A1,B0,andB1.TheyactasredundantloopsfortheSPs.A0&B0arepoweredbyoneSPS.A1&Barepoweredbytheother.
Disablewritecache.YoucandothisviaNavisphere.Rightclickonarrayandchooseproperties,the
gototheCachetabandcheckwhetherornotwritecacheisenabled.Deselecttodisable.Naturallythisaffectswriteperformance,soitsbestnottoperformthistypeofmaintenanceduringperiodsofhighI/O.
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ShutdownthefailedSPS.PowerswitchisinthebackoftheSPS.TherearetwoSPSatthebotomof
thechassis.Oneofthemwilldisplaythefaultyamberlight.UnplugtheRJ45andthepowerplugs.
2.
ReplacetheSPS.YoullneedtoremovethebracketsinfrontandinbackthatsecuretheSPS.IfI
remembercorrectly,thereare6infrontand4inback.SPSslidesoutthefront.Reconnectcablesandpowerbackon.
3.
Enablewritecache.IvereadthewritecacheshouldreenableoncetheSPSisfullychargedand
tested.Ivealwaysjustenableditmanually.Sameprocessasdisablingit.
4.
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