Picture Perfect 4.6 Enterprise Edition User Manual - UTCFS Global ...

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52Picture Perfect 4.6 Enterprise EditionUser ManualER is applied to the following Picture Perfect tables (see Figure 4):• person• badge• person_user• person_category• temp_category• notes (only for person/badge)• category• facility• person_type• department• permission_group• host_bid_format• custom_form• custom_list_elem• site_lists• form_tab• custom_control• custom_control_arg• time_zone• time_zone_dstFor person-related and global tables, replication is applied in both directions between nethost andsubhosts (up to 31 subhosts).Note:Although part of the Facility form, facility_email and email_ran tables are not replicated. In PicturePerfect 4.5.1 and 4.6, the facility email feature is managed locally for each server. Every server needsto manage its own list of facility emails.In an Enterprise system environment, there are some hardware-dependent fields that are notrefreshed by networking to other subhosts. These fields include antipassback (APB), lastaccess reader, last access date, last access time, last access area, usagecount, download upon save, card trace, and keypad response. If the optional GuardTours package is installed, the field tour badge is also not refreshed. Due to the site-dependentinformation found in these fields, you would not want them to be refreshed. For example, subhost 1reader 1 is located at the back door. Subhost 2 reader 1 is located at the side door. To send theinformation in the field last access reader from subhost 1 reader 1 to subhost 2 reader 1 would notbe useful to an operator on subhost 2.The dbrfsh refresh process is applied to the following Picture Perfect tables (see Figure 4):• badge_history• alarm_history• operator_his• tour_history (optional package)For history tables, the refresh process is applied in one direction from subhosts to nethost.Note:Picture Perfect 4.6 introduces database schema changes for history tables to unify their layout acrossthe Enterprise configuration (see the Picture Perfect 4.6 Tables and Fields Reference Manual).
Chapter 4Managing your network database53Figure 4. Hierarchical Topology of Enterprise Replication and Refresher ProcessEnterprise Replication configuration and administration permissionsDuring the initial setting of Enterprise Replication, the informix user is required to perform theconfiguration of this feature. On an installed system, some tasks, such as adding a new server to thesystem, adding a new table for replication, synchronizing tables using Informix native technology,also require the informix user. Most of the administration, monitoring, and data recovery tasks aredone by the ppadmin user. For more information about the Picture Perfect user accounts, seeChapter 6 in the Picture Perfect Installation Manual.Enterprise Replication installationThe netlan and subhost packages were re-factored for the configuration of Enterprise Replicationand to remove previous data replication technology, such as the badge and category refresherdaemons /cas/bin/bdrfsh and /cas/bin/catrfsh and other mechanisms that werepreviously used to synchronize data between nethost and subhosts.Note:The history refresher daemon /cas/bin/dbrfsh continues to be used to refresh history tables.Shell scripts called by netlan.inst and subhost.inst make sure that all necessary files anddirectories are set up properly for Enterprise Replication.Two new database spaces (entrepdbs and entrepsbs) are required by the ER technology to definethe database to manage replication and queuing all data information that is being replicated to otherserver(s) or received from them. These DB spaces are configured to be set at 75% of the size of thebasedbs DB space.• entrepdbs (Enterprise Replication Database Space) defines the location for the syscdrdatabase, which is created during ER server definition (ER initialization) and internalinformation for the spooled send transaction data.• entrepsbs (Enterprise Replication Smart Blob Space) defines the location of the spooledtransaction information. This is stored in an SBlob.
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