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  • multipath iSCSI storage domain

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    I have created an iSCSI target that has access from 2 networks: 20.249.6.0 and 30.249.6.0.   On the RHEV host, I have setup multipath to access this disk in a round-robin fashion, using friendly name "blue":

     

    # multipath -l
    blue (188424d93-8676-425d-9c63) dm-0 Perrier,VIRTUAL-DISK
    size=198G features='0' hwhandler='0' wp=rw
    |-+- policy='round-robin 0' prio=0 status=active
    | `- 10:0:0:1 sdb 8:16 active undef running
    `-+- policy='round-robin 0' prio=0 status=enabled
      `- 9:0:0:1  sdc 8:32 active undef running

     

    This disk was handed to the datacenter as a data/iSCSI domain.  I checked both paths in the New Domain dialog box, see attachment.

     

    I believe that both paths are being used when I create VMs on this disk.

     

    Is this the correct way to implement multipath in RHEV?

     

    I preferred to not use NIC bonding, because of past difficulties getting the NetAdmin to adjust Cisco properties on the core switch.
     

    Please advise.

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