PowerEdge: PERC10 - Full initialization silently partially initialize a virtual disk

If a VD was initialized using a Full Initialization operation and meets the criteria below, the VD will not be consistent and could lead to parity being incorrectly calculated in the uninitialized strips.
A full initialization operation would be manually run post-shipment from Dell Factory in this scenario.
A rebuild operation (triggered by a drive failure or media error) could incorrectly regenerate data from parity.

Root Cause:

The size of the VD (# of blocks) to be initialized is incorrectly calculated by the firmware resulting in an incomplete initialization.

The Dell engineering team is fully aware of this issue, and it has been fixed in the PERC10 firmware version 50.5.0-2819 & 50.51.1-2818 for H740P/H840 and H745MX PERC controllers.

Criteria:

• PERC10 (H740P, H840, and H745MMX) firmware releases 50.5.0-1750 and 50.5.1-2633
• Physical drives must be >2 TB and must be 512 or 512e drives
• Virtual Disk must be initialized using Full Initialization (and not Fast Initialization or Background initialization (BGI))
  Note: Systems shipped from Dell are initialized with Fast Initialization
• RAID 5, 6, 50 and 60

Resolution:

Update the firmware of the controller to the latest revision. 

Further details:

• Once the PERC firmware is updated, the Full Initialization feature can be used for the newly created virtual disk
• Only the Full Initialization feature is affected by this condition using the impacted firmware versions, 50.5.0-1750 and 50.5.1-2633
• For any previously created virtual disks that match the above criteria, a Consistency Check (CC) must be run on all impacted virtual disks even after applying the fixed firmware version 50.5.0-2819 & 50.51.1-2818 for impacted version 50.5.0-1750 & 50.51.1-2633.
• A Consistency Check finds and fixes inconsistencies in these virtual disks resulting from the partial Full Initialization

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