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Server Administrator Storage Management 8.2 User’s Guide

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RAID Level 10 Virtual Disk Creation With Uneven Span

RAID Level 10 virtual disk creation with uneven span feature is available on Storage Management User Interface (UI) and Command Line Interface (CLI). For information on Storage Management CLI, see Server Administrator Command Line Interface Guide .

  • Based on the minimum (and even) number of physical disks selection the firmware on the PERC 9 hardware controller recommends the preferred span layout.

    • NOTE: RAID Level 10 virtual disk creation command from Storage Management CLI does not support optional parameter [spanlength=<n>] on PERC 9 hardware controllers.
  • The Advanced Wizard does not provide the option to select span length for RAID Level 10 virtual disk creation on PERC 9 hardware controllers.

  • The span layout for RAID Level 10 virtual disk created from the Express Wizard on PERC 9 hardware controllers uses the span layout as recommended by the firmware of the PERC 9 hardware controller.

    • NOTE: Storage Management uses the PERC 9 hardware controller-firmware suggested span layout for RAID Level 10 virtual disk creation.

  • The PERC 9 hardware controller firmware suggested span layout is same for the same set of physical disks.

  • Intelligent Mirroring feature is supported on PERC 9 hardware controllers.

  • When you create a virtual disk using the Advanced Wizard on PERC 9 hardware controllers the span layout information under Selected Physical Disks will not be displayed.

  • Sliced RAID Level 10 virtual disk creation on PERC 9 hardware controllers support uneven span.

  • Grouping of selected physical disks for RAID Level 10 virtual disk through the Advanced Wizard is not supported on PERC 9 hardware controllers.

  • When you import a foreign configuration from hardware controllers prior to PERC 9 hardware controllers to PERC 9 hardware controllers, the span layout for RAID Level 10 virtual disk remains the same.

  • When you import a foreign configuration for RAID Level 10 virtual disks from PERC 9 hardware controllers to other PERC 9 hardware controllers the span layout does not change.
    • NOTE: Importing a foreign configuration (other than RAID Level 10 virtual disks) from PERC 9 hardware controllers to hardware controllers prior to PERC 9 is not supported.
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