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Storage Groups

Storage Groups support multiple retention policies by defining a maximum size (Allocated (GB) and number of days (Maximum Age) to retain events. Once events are older than the specified Maximum Age or there are more events than the storage group will hold (as specified by Allocated size), the oldest events are deleted at the next retention cycle. The retention process triggers periodically on Logger, therefore, events might not be deleted immediately when events get older than maximum age or the storage group size exceeds the allocated size.

Logger allows users to add up to 48 custom storage groups if there is enough storage volume available. Adding more storage groups in Logger is determined by the partition size and the storage volume available.

Micro Focus recommends that you create four additional storage groups in addition to the two that pre-exist, so that you have five storage groups available for event storage and one for Logger’s internal events.

To add additional storage groups, see Adding Storage Groups

Once a storage group is created, it cannot be deleted; however its size can be increased or decreased any time. If you are decreasing the size of the storage group and the new size is lesser than the currently used space on the storage group, you need to delete data to achieve the new size. In this situation, the Logger UI guides you to delete sufficient data.

To edit (including resizing) a storage group:

1. Open the Configuration > Storage menu and then click Storage Groups.

   The Storage Groups page displays the available storage groups.

2. Identify the storage group you want to modify and click the associated Edit icon (). The Storage Groups page displays the Edit <Storage Group Name> Storage Group pane.



3. Access the Archive Storage Settings Configuration page. Update the following spaces:

   • Storage Group: Edit the name of the storage group.

   Note: The names of the Internal Storage Group and Default Storage Group cannot be modified.

   • Maximum Archives Age: Set the maximum days for archive data to remain in the remote system. By default, the retention policy for event archives is disabled (-1 ) . To enable the policy, add a value not equal to -1 and greater than 0 which stands for the number of retention policy days. Please note the retention time is based on the event in the archive and not the date in which the archive was created.
   • Maximum Live Data Age: Set the number of days for the data to remain in Logger before transition to an archive.
   • Allocated: If reduction of storage group size is smaller than the Used (GB) size in the Edit Storage Group page, Logger displays a message indicating that reducing storage group size in this situation will require you to delete existing data.

If you choose to delete data to reduce the storage group size, follow these steps:

1. Set the Maximum Age value to the number indicated in the message. Doing so triggers the deletion of events.

2. Refresh the Edit Storage Group screen. When the Used (GB) value is less than or equal to the storage group size you want to set, go to the next step. Otherwise, keep refreshing the screen periodically.

3. Set the Allocated (GB) value to suit your needs.

4. If you wish, restore the Maximum Age setting (that you changed in Step a) to the original value.

   If you choose not to delete data, go to the next step to exit the procedure.

   Note: If there is sufficient space to reduce the storage group size, you can change it without modifying the Maximum Age value (to modify the retention policy to delete data).

4. Click Save to store the changes, or Cancel to quit.

See Also