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Measures reported by IbmDsLdevStatusTest
The IbmDsLdevStatusTest reports the current status of each logical drive (i.e., LUN), and that of the read and write caches on each drive.
The measures made by this test are as follows:
| Measurement |
Description |
Measurement Unit |
Interpretation |
| Ldev_status |
Indicates the current status of this logical drive. |
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The values reported by this measure and their numeric equivalents are available in the table below:
| Measure Value |
Numeric Value |
| Optimal |
1 |
| Online |
2 |
| Degraded |
3 |
| Failed |
4 |
| Offline |
5 |
| Unknown |
6 |
Note:
This measure reports the Measure Values listed in the table above to indicate the current state of this logical drive. However, in the graph of this measure, the state is indicated using only the Numeric Values listed in the above table. |
| Read_cache_status |
Indicates the current status of the read cache of this logical drive. |
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The values reported by this measure and their numeric equivalents are available in the table below:
| Measure Value |
Numeric Value |
| Disabled |
0 |
| Enabled |
1 |
| Unknown |
2 |
Note:
This measure reports the Measure Values listed in the table above to indicate the current state of the read cache of this logical drive. However, in the graph of this measure, the state is indicated using only the Numeric Values listed in the above table. |
| Write_cache_status |
Indicates the current status of the write cache of this logical drive. |
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The values reported by this measure and their numeric equivalents are available in the table below:
| Measure Value |
Numeric Value |
| Disabled |
0 |
| Enabled |
1 |
| Unknown |
2 |
Note:
This measure reports the Measure Values listed in the table above to indicate the current state of the write cache of this logical drive. However, in the graph of this measure, the state is indicated using only the Numeric Values listed in the above table. |
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