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VMware VMotion / ISCSI

bill_lynch
bill_lynch asked
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Last Modified: 2012-06-27
My question, is a theoretical one about how vmotion / vsphere treats ISCSI Luns

We have 3 ESX hosts, and we plan on using 6 iSCSI Luns

system disk - high priority
data disk - high priority
etc, etc,

Question is, if we have multiple hosts attached to the same lun, i.e System disk - high priority and then we vmotion a vm from esxi1 to esxi2 then essentially both hosts would be writing to the same iSCSI Lun.  We've read that multiple hosts writing to the same Lun can cause corruption.  Can someone straighten us out?  Is this the case?  If so, what is the recommended configuration or a small example?
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