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Table 4 – CNA Properties in DCIM_NICView
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Personality
Detail
NicMode
Indicates if the NIC personality is enabled or disabled on the current partition
FCoEOffloadMode
Indicates if the Fibre Channel over Ethernet (FCoE) personality is enabled or
disabled on the current partition.
iScsiOffloadMode
Indicates if the Internet Small Computer System Interface (iSCSI) personality is
enabled or disabled on current partition
MaxBandwidth
Indicates maximum bandwidth on current partition.
MinBandwidth
Indicates minimum bandwidth on current partition.
WWPN
Indicates World Wide Port Name of a port.
CNA devices allow a user to provide a range of bandwidth for each partition, which is represented in
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terms of percentage of total bandwidth.
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6.3 Changing personalities on a partition
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User can enable or disable a personality of a partition by changing the corresponding attribute. Table 5
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lists the attribute names that represent each personality.
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Table 5 – Changing personalities on a partition
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Personality
AttributeName
Detail
NIC
NicMode
Enables or disables NIC personality on the
partition.
Fibre Channel Over Ethernet
(FCoE)
FCoEOffloadMode
Enables or disables FC personality on the
partition.
Internet Small Computer System
Interface (iSCSI)
iScsiOffloadMode
Enables or disable iSCSI personality on the
partition.
Use SetAttribute() or SetAttributes() method on an attribute to change its value. See Section 8.1 and 8.2
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for more details.
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6.4 Enabling or disabling a partition
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There are four partitions on each port of a CNA device. Partition 1 cannot be disabled on any port.
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Enabling any personality on a partition enables the partition. Disabling all the personalities on a partition
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disables the partition (see section 6.3 for information to enable or disable a partition personality).
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To disable partitioning functionality altogether on all ports simultaneously, set the NicPartitioning attribute
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to Disabled. After the host system restarts, the CNA device will no longer expose multiple partitions to the
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host system. Instead, a DCIM_NICView will be created for each port. See section 7.7.2 for more details.
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6.5 Changing bandwidth on a partition
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Use the MaxBandwidth and MinBandwidth attributes to change the bandwidth range of a partition.
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MinBandwidth is the relative bandwidth allocated to a partition with respect to the entire port. Make sure
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that the sum of all MinBandwidth should not be greater than 100% and MinBandwidth should be less than
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MaxBandwidth. See Section 7.7.2 for more details.
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