cSelect Import to merge the foreign configurations with the existing configuration on the controller or Clear to delete the foreign configuration(s) from the re-inserted disk(s).

If you select Import, all drives that were pulled before the virtual disk became offline are imported, and then automatically rebuilt.

NOTE: Start a consistency check immediately after the rebuild is complete to ensure data integrity for the virtual disks. For more information about checking data consistency, see "Checking Data Consistency" on page 62.

3If the physical disks in a non-redundant virtual disk are removed, the controller considers the disks to have foreign configurations. Perform the following steps:

a Select Foreign Configuration View to display the complete foreign configuration information.

b Press <F2> to display the options Import and Clear.

c Select Import to import the foreign configuration to the virtual disk or Clear to delete the foreign configuration(s) from the re-inserted disk(s).

No rebuilds occur after the import operation because there is no redundant data to rebuild the disks with.

Break Mirror

A Break Mirror operation is an operation that can be performed only on RAID1 arrays. It provides a way to 'split' the mirror and spin-down one of the hard disks, which can then be imported into the configuration of a different PERC H310, H710, H710P, or H810 controller. This can be a useful way to:

•Create a disk image that can be imported and booted on a different system.

•Assist in software or configuration testing, where half of the mirror can be removed to ensure configuration consistency.

NOTE: The Break Mirror operation is not available within the booted operating system environment. It is only available in the BIOS (Ctrl-R) utility and the UEFI RAID configuration utility.

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Management Applications for PERC Cards

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Dell H710P, H310, H810 manual Break Mirror
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H310, H710, H710P, H810 specifications

Dell offers a range of storage controller technologies, notably the H810, H710, H710P, and H310, which cater to different enterprise needs. These controllers are designed to support various storage configurations, enhancing overall system performance and reliability.

The Dell H810 is a high-performance PCIe 3.0 RAID controller that supports up to eight internal drives and is particularly suited for demanding workloads. It features advanced RAID levels including RAID 0, 1, 5, 6, 10, 50, and 60, providing flexibility for various data protection strategies. The H810 also supports up to 32TB of storage capacity, making it suitable for environments that require substantial data management capabilities.

The H710 is another powerful RAID controller, widely recognized for its balance of performance and cost-efficiency. It features 1GB of cache memory, which aids in accelerating read and write operations. The H710 supports the same RAID levels as the H810 and allows for up to 512MB of non-volatile memory. This ensures data integrity even in the event of a power failure, making it reliable for critical applications.

The H710P is an enhanced version of the H710, with a significant upgrade in its cache capabilities. It offers 2GB of battery-backed cache memory, further enhancing data processing speeds and improving responsiveness. The H710P is ideal for intensive workloads and virtualization, where rapid access to data is essential. This controller also includes features such as RAID storage pooling, intelligent data tiering, and support for multiple virtual disks.

Finally, the H310 is a cost-effective option for small to medium-sized businesses or those with less demanding storage requirements. It offers similar RAID support as the higher-end controllers but operates with a simpler architecture. The H310 features 512MB of cache, providing sufficient performance for regular workloads without the additional complexities of more advanced controllers.

In summary, Dell's H810, H710, H710P, and H310 storage controllers each serve distinct purposes, providing various features, technologies, and performance characteristics tailored to different business needs. From high-capacity storage solutions to user-friendly setups, Dell’s offerings ensure that organizations can efficiently manage their data storage requirements.
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