PI Server

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We created this forum to hear your ideas, feature suggestions and feedback on PI Server. Please suggest your most important features and design change ideas on this site, and vote for your favorite ideas.

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  1. Archive Reprocessing Backup

    The current automated Archive reprocessing creates a backup of the original archive in the archive directory. This can lead to a situation where the archive drive runs out of space.

    It would be useful to be able to configure the backup location for the reprocessed archives. This should be a tuning parameter.

    3 votes

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  2. AI Detection for Stale Points

    As a PI System administrator, it would be helpful if the PI Server had an artificial intelligence or machine learning system which could recognize the normal updating patterns of a PI Point and report when a tag was not receiving updates properly to the administrator. The present method for identifying stale points requires some knowledge about how frequently each point would be expected to update.

    2 votes

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  3. Allow specifying a range of older archive files to backup in piartool

    The piartool -backup command has multiple parameters that allow for specifying a number of archives to copy. For example it is possible to specify a number of archives to backup starting at the current time (-numarch), or each archive number can be specified in a list (-archives). But no parameter will allow specifying a numeric range of older archives to copy, such as from archive #500-1000. It is also not feasible to list out each archive for the -archives command when there is a large number of archives desired to copy (500 501 502 etc.)

    If it was possible to…

    2 votes

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  4. PI Tag Name Search Count recorded in PI Tag

    Could the feature of counting the number of pi tags (by prefix) and display it in PI Tag or PI Vision. In Microsoft Excel's PI Builder, I would query for pi tags starting with "dist*" and get a count.

    2 votes

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  5. Built-in feature to automatically move archive files past a certain age to a different directory

    Automatically move archives from a disk to another based on their age. Use case: I only want to keep the last 2y of data on a SSD and the remaining will be stored on a regular disk.

    My use case can be achieve using the example PowerShell script located at "%pihome%\OSIsoft.PowerShell\Example Scripts\MoveOldArchives.ps1" on any machine with SMT installed. I would like to see this feature built natively into PI System Management Tools.

    2 votes

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  6. PI Data Archive Installation Wizard should provide an option to restore from a backup or copy current configuration from another PI Server

    As we enter 2020, the process of moving/restoring the PI Data Archive hasn't changed since its inception. Typical procedure to move a PI Data Archive on a new server is to install same version of software and then perform backup/restore of the old server. The process can be simplified if the installation wizard provides an option of whether this is a new installation or rebuilding of an existing server. This eliminates unnecessary install of out of the box configuration just so that the files be overwritten later. Wizard should provide options of overwriting license file, paths to archives and queues…

    2 votes

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  7. Allow edited default tag attributes to be used in Point Builder SMT Plugin

    Currently there is a procedure that allows using piconfig to Change Default Tag Attributes however these changes do not impact the defaults of tags created through Point Builder plugin within SMT but works on other clients that allow tag creation such as PI Builder.

    This request is to allow SMT to accept these Tag default changes to be reflected on tags created through PI SMT

    2 votes

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  8. Dictionary encoding of strings in string tags

    Currently, the values of string tags are stored in full for each event, which is a waste of space for string tags that have the same values appearing frequently. To save space, please use dictionary encoding (AKA dictionary coding or dictionary compression) to store the values of string tags. The space saved for string tags that have many repeated values should hopefully offset the extra space used for string tags that have mostly unique values.

    2 votes

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  9. Ability to store metadata information for PI data

    For forecasts, probabilities are assigned to each forecast data. It would be helpful to be able to store this information (metadata) for each forecast value.

    2 votes

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  10. Have the ability to change PI Message log file configuration (Size, Duration etc)

    If verbose logging is setup for applications such as (PI Batch) which write to the PI message log (or if you have very busy PI servers with lots of logs), the file sizes can get to several GB in size. It would be good to have the ability to configure the log file size

    2 votes

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  11. Digital State Sets and Bit Flags

    a common data type encountered are Double Integers as bit flags, where different combinations of each bit of the binary representation of the double integer corresponds to a state. PI's Digital State Sets do not handle these well.

    First, it requires that even unused states are created in the set . . . annoying, but not a total hindrance (there is another idea posted pertaining to this particularly)

    Second, digital state sets have a maximum of 16383, which is only 14 bits, which is only sufficient for single integer (8 bit) flagging techniques.

    2 votes

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  12. Compression Standards

    The ability to define and rollout compression standards on tags across the enterprise / sites. 

    When this information is captured bottom up from sites, bad settings make it difficult to maintain a standard which inhibits cross site data comparisons.

    2 votes

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    This is currently possible by leveraging AF. In AF, you can configure a template with the desired PI Point attribute configurations, then you can exercise the “Create or Update PI Point” option to change the PI Point attribute.

  13. Provide mechanism to assist in Kerberos configuration / delegation testing

    As a PI Admin, I need assistance configuring and testing Kerberos delegation, so that I can access the full functionality of the products without exposing my system.

    2 votes

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  14. 1 vote

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  15. Bring "old" data archive into ultra fast and seamless database system

    Please do away with archaic pi archive file system with non-seamless begin/end dates to sql that runs on a ultra-powerhouse database server capturing always available, never-ending data.

    1 vote

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  16. Method to backup and restore PI Points only

    The PI backup tools currently do not have a method to backup only the files related to PI Points. The purpose of this would be to refresh the point table on a QA system from a production system. The current PI backup method is all or nothing.

    1 vote

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  17. Restore Write access to Module Dabase after uninstalling AF link

    MDB to AF synchronisation is not needed anymore and new installation of data archive are free to not install it. Existing installations must maintain this link in order to allow PI-ACE to function properly and add new context. PI-ACE cannot be replaced by AF Analysis in certain circumstances. It should be possible to uninstall AF-link and restore write acces to MDB as of if it were never installed.

    1 vote

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  18. Refresh button for the Interface Configuration Utility (ICU)

    When doing certain changes within the ICU (like configuring buffering for an interface) the end user has to close out of the ICU and then open it back up just for the ICU to refresh and reference change within higher versions of the ICU that have the buffer manager included. A refresh button included with the ICU could prevent the unnecessary step of having to close out of the utility and then opening it back up just to see the change.

    1 vote

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  19. Change Flat Data to No Data if PI Interface to PI Server Connection is lost

    Problem:
    iIf PI Interface disconnected from PI Server, PI Point will show flat data until connection up not No data or Disconnected

    Propose Solution:
    Pl Server have ability to change flat data to no data if PI interface disconnected from PI Server. It will make misunderstanding if PI Point show flat data. In example level point from ATG Sensor, flat data could be that level on standby, but reality connection to PI server is lost

    1 vote

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  20. Have an option to use step interpolation to the previous event

    When the Step attribute of a PI Point is "on", PI assumes that a value is constant until the next event, which works well in most cases.

    For PI Points that track rolling averages, rolling totals, real-time derivatives of totalizer tags with respect to time, etc., it would be more useful to assume that a value is constant up to the previous event. Please add this as an interpolation option for PI Points.

    1 vote

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