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The Tiering view, in the Objects tab (only for Thin devices with FAST auto-tiering), shows how the device’s content is distributed over the different Tiers (Sata, Flash, Fiber Channel) over time, other devices which share the same policy and pool, and which devices (if there are any) “stole” "stole" the current device’s device's Tier allocation.
About the scalability of an EMC device
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You can associate an EMC device in the Main area of the Objects tab with disk directors, front end directors, RAID groups, hypers, ports, and oracle files to find out which files have extents on the selected device. You can display additional entities by using the More.. option. option.
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This entity is only available, in the Objects tab, if you have installed Precise for Database & Storage. For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix.
When viewing a Thick Clariion Device (in the configuration tab), there is an option called "use the Devices on the same Raid Group" option in the dropdown menu , that shows all of the devices who to view a list of all devices that share the same Raid group as the selected device.
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The graphs in the upper part of the screen (Overview, Performance, Load, and Throughput) - are the same graphs of that particular selected device - with no connection to the "Devices on the same Raid Group" option option. |
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The Front End Director entity is only available, in the Objects tab, if you have installed Precise for Database & Storage. For For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix.
A Front End Director controls the I/O to and from the operating system devices using the connected ports. The following views are available:
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You can associate a front end director in the Main area of the Objects tab with devices. You can display additional entities by using the More... option option.
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The Remote Director entity, in the Objects tab, is only available if you have installed Precise for Database & Storage. For For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix.
A Remote Director is a specially configured front-end director that controls I/O to a remote front-end director on another unit. This setup is used for SRDF or disaster recovery.
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The Disk Director entity is only available, in the Objects tab, if you have installed Precise for Database & Storage. For For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix.
A Disk Director controls the I/O to a set of physical disks. The following views are available:
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You can associate a disk director in the Main area of the Objects tab with devices. You can display additional entities by using the More... option option.
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The Port entity, in the Objects tab, is only available if you have installed Precise for Database & Storage. For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix. A A Port describes a device's connection from a front-end director to an OS device. If a port is selected in the Main area, the Overview displays configuration information for the port.
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You can associate a port in the Main area of the Objects tab with devices. You can display additional entities by using the More... option option.
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The Hyper entity, in the Objects tab, is only available if you have installed Precise for Database & Storage. For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix. A A hyper is a disk partition on a physical disk where data for a device is stored. Data is usually striped or mirrored over a set of hypers. It is the lowest-level Symmetrix storage entity. If a hyper is selected in the Main area, the Overview displays configuration information for the hyper.
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You can associate a hyper in the Main area of the Objects tab with all the devices that are on the same disk as the hyper itself. You can display additional entities by using the More... option option.
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The Pools entity, in the Objects tab, is only available if you have installed Precise for Database & Storage. For For more information on the supported platforms, see the the Precise Installation GuideSupport Matrix.
The following views are available:
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You can associate a pool in the Main area of the Objects tab with all the devices that are on the same disk as the hyper itself. You can display additional entities by using the More... option option.
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If there are many devices associated with this unit, you can limit your search by using the More option in the Association area.
To filter device entries from a More option
- In the Association area, click More and the Associate with dialog box opens.
- Click the Entries tab to define device entries to filter.
- In the Populate with list, select the appropriate device entry.
- In the Sort entries by list, select how you want to sort the entries.
- Use the A (ascending) or D (descending) button to sort all selections.
- In the Display top ....... entries only list, select the number of entries to view for each search. After defining the device entries, you can define criteria for each device search.
To filter device criteria from a More option
- In the Association area, click More and the Associate with dialog box opens.
- Click the Criteria tab to define device criteria for a filter.
- From the lists on the left, select the rows to filter.
- In the middle lists, select the appropriate variable.
- In the lists on the right, type in the appropriate filter or filters.
- Click OK to approve your selections, or Cancel to cancel your selections.
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