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| Column Name | Description |
|---|---|
| Type | Type of the device: Symmetrix or Clariion. |
| Unit ID | The ID of the unit. |
| Used By Instance | Shows whether the Oracle database instance is using the storage unit (the database has files on at least one storage device that belongs to that unit). |
| Read/Write Req. | The number of read and write requests. |
| Load | The amount of data that the unit handled within the timeframe. |
| Throughput | The amount of data per second (MB/Sec.).*** |
| I/O Rate | The amount of requests to the unit per second. |
| Seq. Reads | The amount of sequential requests. |
| Cache Hit Ratio | The amount of requests that were answered by the cache in relation to the total amount (only for Symmetrix). |
| Read Hit Ratio | The percentage of read hits in relation to the total cache hit ratio (only for Symmetrix). |
| Write Hit Ratio | The percentage of write hits in relation to the total cache hit ratio (only for Symmetrix). |
Table 8-3 Configuration
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| Column Name | Description |
|---|---|
| Type ( |
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| Graphical) |
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| Type of the device: Symmetrix or Clariion. | |
| Unit |
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| ID | The ID of the unit. |
| Used By |
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| Instance | Shows whether the Oracle database instance is using the storage unit (the database has files on at least one storage device that belongs to that unit). |
| Unit Physical |
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| Disks | The amount of physical disks in the storage array. |
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| Devices | The amount of storage devices. |
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| Type | Type of the device: Symmetrix or Clariion. |
| Physical |
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| Disks | The amount of physical disks.*** |
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| Devices | The amount of devices.*** |
| SQL Server |
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| Instances | The amount of SQL Server instances.*** |
| Databases |
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| *** |
| Logical |
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| Files | *** |
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| Model | The unit’s model. |
| Microcode |
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| Version | The microcode version of the unit. |
| Cache |
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| Size | The size of the cache. |
| Max. Write |
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| Slots | The maximum amount of pending write slots allowed before starting delayed fast writes |
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| (only for Symmetrix).*** |
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Table 8-3 Configuration
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| Max. DA Write |
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| Slots | The maximum amount of pending write slots allowed for one DA (front director) before starting delayed fast writes (only for Symmetrix).*** |
| Max. Device Write |
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| Slots | The maximum amount of pending write slots allowed for one device before starting delayed fast writes (only for Symmetrix).*** |
The following sections handle the different Storage Device entities:
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- About the Storage Unit entity
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- About the Symmetrix Unit entity
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- About the Symmetrix Device entity
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- About the Devices Sharing the Same Policy***
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- About the Devices Sharing the Same Pool***
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- About the Symmetrix Disk Director entity
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- About the Symmetrix Front End Director entity
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- About the Symmetrix Remote Director entity
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- About the Clariion Unit entity
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- About the Clariion Device entity
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- About the Pools entity
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About the Storage Unit entity
The Storage Unit entity displays a list of all storage entities connected to instances in the Tier. The Storage Unit entity can only be associated to from the Instance level.
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