HP Operations Manager for Windows

Tuning the HP BAC Adapter


You can tune the HP Business Availability Center Adapter (HP BAC Adapter) by running utilities from the command line on the HPOM management server.

To check the current settings

To check the current settings, type:

ovconfget opc.bac

To change a parameter

To change a parameter, type:

ovconfchg -ns opc.bac -set <variable name> <value>

Values for <variable name> and <value> a listed in the following table:

Variable Name Default Value Description
TargetHost <empty> Host name of the HP SiteScope receiver. No connection is attempted if this is empty.
TargetPort 9000 Port number of the HP SiteScope receiver. No connection is attempted if this is 0.
CacheMax 1000 Maximum number of messages stored in cache memory to avoid database lookups.
CacheKeep 500 If cache size reaches CacheMax, only the most-recently-used messages in CacheKeep are kept in the cache. All others are removed from the cache.
Connection Timeout 300 If no new messages or message changes are transmitted to the HP SiteScope receiver, the connection is closed after this number of seconds.
MinWaitTime 15 If the connecting to the HP SiteScope receiver failed, the HPOM BAC Adapter waits this many seconds the first time after connection failure before retrying to connect. The wait time is doubled after each retry, up to MaxWaitTime.
MaxWaitTime 120 Maximum number of seconds to wait after connection failures before retry. When doubling the wait time after connection failures exceeds MaxWaitTime, the wait time is no longer doubled and MaxWaitTime is used instead.
MaxQueueLen 1000 If the connection to the HP SiteScope receiver has been lost and new messages or message changes come in, these messages and message changes are buffered in a memory queue. If the number of entries in that queue reaches MaxQueueLen, the oldest entries are removed from the queue.
NodeKeepTime 900 The HPOM BAC Adapter looks up IP addresses from hostnames. In addition, HPOM for Windows hostnames also need to be looked up from the HPOM database. These IP addresses and hostnames are stored in a memory cache. Since hostnames and IP addresses of systems can be changed, entries in that cache are invalidated (and afterwards looked up again) after NodeKeepTime seconds.

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