PI Server

Welcome to the PI Server feedback page!

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. Enable Data Fanning for PI Collectives through PI System Management Tools

    Currently, PI System Management Tools supports buffering but not data fanning (does not send data to all collective members).

    When using a PI Collective, customers would like to make changes to PI Point values in Archive Editor in the Primary Data Archive and see those changes replicated to the Secondary Data Archive when buffering is enabled.

    4 votes
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  2. Separate priority setting for Data Read and Data Write

    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 other applications like PI Analysis or any other 3rd party applications data read should from couple of collective members and data write should be to 4 collective members.
    As per the current setup, if we enable the priority for 2 members in collective, data read and write is happening only for those members (Default behavior). But…

    7 votes
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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  3. PI AF Link & PIBatch - Ability to uninstall it

    PI AF Link is not included in PI 2018 but it would be good to be able to remove the link during an upgrade. (not possible today https://customers.osisoft.com/s/knowledgearticle?knowledgeArticleUrl=000027668).
    Same for PIBatch which cannot be uninstalled even when not licensed for (recommended to disable service https://customers.osisoft.com/s/knowledgearticle?knowledgeArticleUrl=PIBatchsubsystemdoesntstartBatch)

    3 votes
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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  4. Optimize the storage and retrieval of digital tags

    Given that the archive file format is proprietary, this suggestion is me shooting in the dark.

    Disk compression compresses archive files very well, and my guess is that most of this compression occurs on the digital tags, since the number of possible values that they can take on is limited. In contrast, the number of possible values that a floating-point tag can have is huge, so there is not much opportunity for compression.

    Please consider optimizing the storage of digital tags so that their data takes up less space in the archive and can potentially be retrieved faster.

    1 vote
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    7 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  5. Optimize and compress non-primary historic archive files

    Currently, the same file format is used for primary and non-primary historic archive files. This does not make much sense since the two types are used very differently.

    For the primary archive:
    • Write operations should be fast since it is collecting data in real-time
    • Read operations should be fast since the most recent data is usually the most relevant
    • File size is not a concern since there is only 1 primary archive

    For non-primary archives:
    • Write speed is not a concern since write operations are infrequent
    • Read operations should be fast because users may want…

    2 votes
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    4 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  6. Option to install sample PI tags with simulator interfaces

    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 well. I like to have options in the PI Data Archive install kit to install sample tags and simulator interfaces together with server component. This makes much easier to set up environment test.

    7 votes
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  7. 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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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  8. Improve PI Server Installation kit: disk space requirements should include the minimal PI Backup

    When calculating the disk space requirements on a recent upgrade the drive was expected to have only 138 MB installed. But the install failed due to not enough disk space on the drive because the minimal backup needed a certain amount of disk space. This need should be included in the Required Disk Space panel when upgrading.

    2 votes
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  9. 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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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  10. Replace the batch (.bat) scripts in the %PISERVER% folder with PowerShell (.ps1) scripts

    This replacement is appropriate for several reasons:
    • PowerShell is easier to read and is a more powerful language than the batch language.
    • Batch scripts are best used in Windows, whereas PowerShell is cross-platform. This replacement will support OSIsoft's expansion outside of Windows.
    • Microsoft is pushing for PowerShell and leaving batch files in the dust. Ideally, PI systems would not rely on legacy technology.

    2 votes
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  11. 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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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  12. Compress archives that are backed up using "Copy"

    Currently, when a "copy" backup occurs, the archives are copied as-is. Archive files take up a lot of space, but they also compress very well, and since archive backups are rarely accessed, it makes sense to trade off increased access time (due to the additional work of decompression) to get a smaller file size for the archive backups.

    The exact method of compression (new file format, put archives in a compressed folder, etc.) will be up to OSIsoft. In my testing, I used disk compression on the archive files.

    1 vote
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  13. smarter calculation of PI Backup required free space

    When backfilling tags from AF its very easy to update many archives. I would like the backup script to only require free space for archives that don't exist in the target folder. We have periodic incremental backup failures do to a lack of free disk space, even though almost all of the archives being backuped up will replace files that already exist in the target folder

    2 votes
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    2 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  14. Add point Type INT64, UINT64, to PI Archive

    Some interfaces such as PI Modbus allow the polling of a 64-bit signed integer value or a 64-bit unsigned integer value. Yet the database does not allow you to store these values in their native formats. You must store them as a 64-bit floating point but some precision is lost. Please add the ability to store these values in their native format.

    4 votes
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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  15. Provide the capability to apply compression on uncompressed data, aka recompress using offline archive utility.  See work item 6944OSI8.

    Provide the capability to apply compression on uncompressed data, aka recompress using offline archive utility.  See work item 6944OSI8.

    17 votes
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    5 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  16. Event mode that applies NoReplace to snapshot as well

    Currently the NoReplace event mode will Append data if a value with the same timestamp as the snapshot comes in. Customer would like an event mode that would discard the value if there is existing data with the same timestamp regardless of the value for both archive data and snapshots.

    3 votes
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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  17. Extract events from buffer queue files or offline archives

    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 take the registered archive offline, which risks dataloss if new data arrives for the period of this archive. Alternatively, the archive subsystem can be stopped to prevent this dataloss, but this will impact users and calculations that need archive data, which in turn leads to incorrect data or inconsistencies.
    Additionally, in the case of collectives, this needs to be repeated for…

    5 votes
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  18. 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

    1 vote
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    0 comments  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  19. 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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    1 comment  ·  Data Archive  ·  Flag idea as inappropriate…  ·  Admin →
  20. 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.

    1 vote
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