Blocks are made up of some amount of variable sized messages. ReadKB and WriteKB identify the KB involved in the traffic.
For information on the ResUsageSpma table channel and TCP/IP network traffic columns, see Host Controller Channel and TCP/IP Network Traffic Columns.
|Column Name||Mode||Description||Data Type|
|HostBlockReads||count||Number of blocks read in from the host.||FLOAT|
|HostBlockWrites||count||Number of blocks written out to the host.||FLOAT|
|HostMessageReads||count||Number of messages read in from the host.||FLOAT|
|HostMessageWrites||count||Number of messages written out to the host.||FLOAT|
|HostReadKB||count||KB transferred in from the host.||FLOAT|
|HostWriteKB||count||KB transferred out to the host.||FLOAT|