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The opened storage will be a valid virtual representation of your EqualLogic volume. Open the 'Unknown' partition mounted on the assembled Span as a virtual disk.įor this choose the 'Open partition as a virtual disk' option from the context menu.In the configuration sheet set the 'RAID level' as 'Span of storages' and build the storage. Build Span comprised of the defined virtual volume and the volume data map.Īdd the virtual volume opened in Step 5 and the data map from Step 6 to a new disk array.

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Please, feel free to contact us for details.Ĭhoose the 'Disk image file or virtual disk' option from the 'Open' item of the main menu, navigate to the location where the. SysDev Laboratories renders this kind of service on a remote basis. Note: A volume data map file can be provided by any data recovery company which is qualified to parse Dell EqualLogic metadata. dsk format which are created through the conversion of volume metadata. UFS Explorer works with map files in the.

Mount the data map of your EqualLogic volume in the list of connected storages.Ī volume data map is essential for correct reading of data within an EqualLogic volume.

This operation will mount it in the list of storages in the left pane. Open the partition as a virtual disk using the corresponding option in its context menu.

Open the volume defined in Step 4 as a separate virtual storage.

Press the 'Define' button and confirm the specified parameters. Open the partition manager for the assembled Virtual RAID and provide the correct start of the data area in the 'Start (sector)' field.

Define a logical volume on the reconstructed array.

In the opened window type in the correct start sector and apply these parameters to all components by placing a checkmark next to the respective option.įinally, press 'Build this RAID' to mount the storage in the list of devices. Specify the correct starting position for all RAID components: for this select any of them and get the 'Edit component range' instrument from the toolbar. After that, change the Q-stripe algorithm in the field below to 'Diagonal XOR with Dell EqualLogic distribution'. In the configuration sheet, choose 'RAID 6' as the RAID level and 'Compact Left-Symmetric' as a parity distribution algorithm. If some of the constituents are missing, add placeholders to indicate them using the corresponding tool from the toolbar.

Open RAID Builder and assemble RAID 6 from its constituent drives.Ĭreate new RAID and add each of the drives to RAID in their right order.

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Hint: If you have any difficulties with the installation of the utility, please refer to the installation manual for UFS Explorer Professional Recovery. All the attached disks will be presented in the left pane of the main window. Open the program with elevated privileges and modify its settings, if needed.

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Install UFS Explorer Professional Recovery onto the computer and launch the software.

Hint: Please rely on the instructions to plug the disks into the motherboard or сonnect the drives externally using a USB to SATA/IDE adapter. The maximum number of failed components the array can compensate for is determined by the employed RAID layout.

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Connect the available RAID 6 disks to the host computer.Īttach all the intact drives to the host PC watching their correct order.The following guide describes the specifics of the data recovery procedure for Dell's EqualLogic on the example of RAID 6: Still, like any complex SAN, Dell EqualLogic boxes have their peculiarities in virtual translation of address space of volumes as well as data distribution across the disks in RAID and these aspects must be taken into account during RAID reconstruction and further retrieval of lost information. Fortunately, UFS Explorer Professional Recovery incorporates special techniques that make it possible to deal with various RAID configurations implemented on Dell's EqualLogic Storage Arrays and restore the missing data from EqualLogic volumes.

Yet, even with their excellent fault-tolerance capabilities, there are still challenges such arrays may be unable to cope with: administration mistakes, power outages, connection problems, data corruption, parity issues or failures during RAID rebuild operations lead to the loss of critical corporate files and the urgent need for their recovery. SAN storage solutions of Dell's EqualLogic family are recognized for their easy deployment, straightforward management and rock-solid reliability achieved through multiple safety features.

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How to recover data from Dell EqualLogic with RAID 6

How to recover data from Dell EqualLogic with RAID 6.