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SMC-R link group statistics record (subtype 41) z/OS Communications Server: IP Programmer's Guide and Reference SC27-3659-02 |
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The SMC-R link group statistics record is collected at user-specified intervals. The record provides data about Shared Memory Communications over Remote Direct Memory Access (SMC-R) link groups (one link group specific section per link group) and the SMC-R links within each SMC-R link group (one link specific section per SMC-R link). All link group specific sections are listed contiguously, followed by all link specific sections. The link specific section contains an identifier (SMC-R link group ID) that identifies the SMC-R link group to which the SMC-R link belongs. Each link group specific or link specific section reports statistical data about the SMC-R link group or SMC-R links for the previous recording interval. For those fields that provide an interval value, to determine a cumulative value for the particular statistic, add the values reported for the statistic in the individual SMC-R link group and SMC-R link statistics interval records. Other fields provide the current or highest value of a statistic and are not interval values. If SMC-R link group statistics recording is turned off dynamically, or the TCP stack terminates, a final SMC-R statistics record is generated to report closing data. If a particular SMC-R link group or SMC-R link is ended during a recording interval, any data related to that link group or link during the recording interval is lost and is not reported in the next interval record. See Table 1 for the contents of the TCP/IP stack identification section. For the SMC-R link group statistics record, the TCP/IP stack identification section indicates SMCR as the subcomponent and one of the six possible interval record reason settings, depending on whether the reporting is because of interval expiration, statistics collection termination, or collection shutdown, and whether one or more physical records are needed to report all the SMC-R link group statistics. Table 1 shows the SMC-R link group statistics record self-defining section:
Table 2 shows the SMC-R link group specific section:
Table 3 shows the SMC-R
link specific section:
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Copyright IBM Corporation 1990, 2014
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