aaAddStorageShard
- Last UpdatedMar 10, 2025
- 1 minute read
Returns definition information for specified storage shard (partition).
Syntax
aaAddStorageShard ShardId, ShardName, Description, ComputerName, BlockDuration, TimeUnitId, TimeZoneId, AdjustToDST, MaxSnapshotSize, CmdArgs, CmdExtArgs
where:
|
Argument |
Description |
|---|---|
|
ShardId |
The unique identifier for the partition (shard). |
|
ShardName |
The name of the partition. |
|
Description |
The description of the partition. |
|
ComputerName |
The network name of the computer on which the storage partition resides. |
|
BlockDuration |
Duration, in hours, for history blocks. Valid values are: 1, 2, 3, 4, 6, 8, 12, 24. The default is 24 hours. The history block size must always be greater than the highest scan rate. For more information, see Managing Partitions and History Blocks in the AVEVA Historian Administration Guide. |
|
TimeUnitId |
Foreign key to TimeUnit. Indicates whether the block duration is in hours/days. |
|
TimeZoneId |
The time zone associated with this storage partition. |
|
AdjustToDST |
Internal use only. |
|
MaxSnapshotSize |
Maximum size, in MB, for data storage snapshots in memory. Bigger snapshots allow for faster retrieval. You might need to increase this size for systems with very high data rates. For example, if retrieval is slow from data in the current history block, try increasing this rate. Also be sure that you have enough RAM, up to 1 GB. |
|
CmdArgs |
Command line parameters for customizing replication and storage execution. |
|
CmdExtArgs |
Command line parameters for customizing replication and storage execution. |
Permission
Execute permission defaults to the aaAdministrators group.