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Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series

Virtual disk migration

The PERC 11 series supports migration of virtual disks from one controller to another without taking the target controller offline. The controller can import RAID virtual disks in optimal, degraded, or partially degraded states. You cannot import a virtual disk that is offline. When a controller detects a configured physical disk, it marks the physical disk as foreign, and generates an alert indicating that a foreign disk was detected.

Disk migration pointers:

  • Supports migration of virtual disks from H740P, H745, H745P MX, and H840 to the PERC 11 series except for H345.
  • Supports migration of volumes that are created within the PERC 11 series.
  • Does not support migration from the PERC 11 series to PERC H345, H740P, H745, H745P MX, and H840.
  • Does not support migration from PERC H330, H730, and H830 to the PERC 11 series.
NOTE:The source controller must be offline before performing the disk migration.
NOTE:Importing non–RAID drives and uneven span RAID 10 virtual disks from PERC 9 to PERC 11 is not supported.
NOTE:Disks cannot be migrated to older generations of PERC cards.
NOTE:Importing secured virtual disks is supported as long as the appropriate local key management (LKM) is supplied or configured.
NOTE:Virtual disk migration from PERC H755 adapter, PERC H755 front SAS, PERC H755N front NVMe, PERC H750 adapter SAS, PERC H755 MX adapter to PERC H350 adapter SAS, PERC H350 Mini Monolithic SAS,PERC H355 front SAS, and PERC H355 adapter SAS is not supported.
CAUTION:Do not attempt disk migration during RLM or online capacity expansion (OCE), this causes loss of the virtual disk.

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