2V0-621 · Question #213
Refer to the Exhibit. The Exhibit shows the status of vmhba32 and vmhba33 as Unbound. What is a likely reason for this status?
The correct answer is A. The host bus adapter is not associated with a vmknic. A VMware software iSCSI adapter shows 'Unbound' when it has not been associated with a VMkernel network adapter (vmknic), preventing it from sending iSCSI traffic.
Question
Refer to the Exhibit. The Exhibit shows the status of vmhba32 and vmhba33 as Unbound. What is a likely reason for this status?
Exhibit
Options
- AThe host bus adapter is not associated with a vmknic.
- BThe Dynamic Target Discovery was not configured.
- CThe Static Target Discovery was not configured.
- DThe host bus adapter is not associated with a vmnic.
How the community answered
(37 responses)- A73% (27)
- B16% (6)
- C8% (3)
- D3% (1)
Why each option
A VMware software iSCSI adapter shows 'Unbound' when it has not been associated with a VMkernel network adapter (vmknic), preventing it from sending iSCSI traffic.
Software iSCSI adapters in vSphere must be explicitly bound to one or more VMkernel ports (vmknics) to transmit iSCSI traffic over the network. Without this binding, the adapter has no network path and reports an 'Unbound' status in the Storage Adapters view. Binding is performed via the Network Port Binding tab on the iSCSI adapter.
Dynamic Target Discovery configures how the adapter finds iSCSI targets via a SendTargets server, but has no effect on whether the adapter itself is bound to a network interface.
Static Target Discovery manually adds specific iSCSI target addresses, but does not affect the bound or unbound state of the adapter.
A vmnic is a physical NIC uplink; software iSCSI adapters bind to VMkernel adapters (vmknics), not directly to vmnics, making this distinction technically incorrect.
Concept tested: vSphere software iSCSI adapter network port binding
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-C476065E-C02F-47FA-A5F7-3B3F2FD40EA4.html
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