Data Archive

Currently, if you want to store predictions for 1 day, 2 days, 3 days, etc. into the future, you must create a different PI tag for each distance into the future. Future data tags should support 2 timestamps: the timestamp that the predicted valu...

Currently, the procedure to recover buffer queue files consists of parsing the queue file into a temporary archive and then merging this archive with the registered archive files that overlap with the impacted period. This final merge requires to ...

Posted on behalf of a customer. As of PI Server 2018 SP3, simulator interfaces have been removed from the PI Server setup kit, and the default PI Points are no longer installed. These were very important to check if the server installation went w...

Data Read and Date Write (Buffering) from/to PI Data Archive is based on the priority settings in PI SDK and PSE. We have a architecture of 6 member PI collective and all the source data is not buffered to the individual collective. Hence for othe...

As a PI Administrator in a regulated environment, it would be helpful if the Archive audit trail data exported by the pidiag -xa command included the username associated with each action. Currently, the pidiag -xa exports of archive audit logs do ...

Archive Editor in PI System Management Tools should support writing NULL values (ie, empty strings). This is currently supported by other PI Clients. For example, it is possible to write empty strings using PI System Explorer as well as using a PI...

Having metrics that count the number of messages being written to the message log, and categorized by severity, gives a great dashboard overview of the status of PI data archive. For example, having a events/min count of error messages historized ...

Hello, About the tuning parameter pointDB_RemoveEmptySource the following Article : https://customers.osisoft.com/s/knowledgearticle?knowledgeArticleUrl=KB01008 Indicates : Perform any of the following actions to trigger removal of empty point sou...

In a rescent issue we faced, we discoreved that when you try to interpolated a value before the first archived value on a system with a lot of archive files, the system must read all the archive files trying to find a previous value for interpolat...

Through PI message logs I want to see which PI mapping was used for a Windows AD user, currently only the PI identity associated the windows AD is visible in the Logs. PI mapping information will give us more idea/facts about the particular Window...