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# 1213

Table 1. SYMAPI_AEVENT2_UID_THRESH_TDEV_USED
1213 | SYMAPI_AEVENT2_UID_THRESH_TDEV_USED
--- | ---
Category | status
Component | Device number, for example:
    Device=1234
Severity | Determined by Threshold values. See below.
Message | Thin Device is now <NN> percent used.

Table 2. Unisphere policy name
Unisphere policy name | Thin Device Usage
--- | ---
Action type | Alert

This is a Threshold event that reflects the amount (as a percentage) of a Thin Device that has been written to.

Unless threshold values are supplied with the registration, the following defaults are used to derive an event severity:

If value is 100% — Fatal

If value is >= 80% — Critical

If value is >= 70% — Major

If value is >= 65% — Minor

If value is >= 60% — Warning

Otherwise — Normal

## Notes

- Events are only delivered at multiples of 5% ... for <NN> equal to 5%, 10%, 15%, ... , 75%, 80%, 85%, 90%, 95% and 100%.
- Threshold events are only delivered when the severity, as determined by threshold values, changes.