Dell PowerVault TL2000 - Page 6

DellPowerVault™TL4000/TL2000FailoverGuide
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6|Page 12/31/09 version 2.0
Failoverconfiguration
(onehost,twoHBAs,twoswitches,twoFCdrives)
MainPath
Failover Path
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Figure2:ReferenceConfiguration2
FailoverReferenceConfiguration3:
OnehostwithdualportSASHBAsandoneDellPowerVault™withtwoSASdrives
Inthisconfiguration,failoveroccursifoneofthefollowingoccurs:
‐Oneofthedrivesfails(hardwarefailureorisdrivedisconnectedfromtheHBAport)
‐OneoftheHBAportsfails
‐Oneoftheportsinadrivefails
Thisconfigurationtakesfulladvantageofpathfailover;itisprotectedviadataandcontrolpath.
ThephysicalconnectionofthisconfigurationisshowninFigure3.
ImportantNote:DellRecommendsFibreChanneldrivestobesamegeneration.ForHeterogonous
configurationsrefertosection:Heterogonous ValidatedConfigurations
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Alwaysrefertowww.dell.com\supportforlatestdocumentationandupdates
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